{"id":3432,"date":"2025-08-14T19:00:14","date_gmt":"2025-08-15T03:00:14","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=3432"},"modified":"2025-08-15T02:19:15","modified_gmt":"2025-08-15T10:19:15","slug":"why-your-car-has-multiple-catalytic-converters%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/why-your-car-has-multiple-catalytic-converters%ef%bc%9f\/","title":{"rendered":"T\u1ea1i sao xe c\u1ee7a b\u1ea1n c\u00f3 nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c?"},"content":{"rendered":"

Xe c\u1ee7a b\u1ea1n h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> ph\u1ee9c t\u1ea1p h\u01a1n v\u1ebb b\u1ec1 ngo\u00e0i c\u1ee7a n\u00f3 v\u00e0 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u00e1c h\u1ea1i kh\u00ed th\u1ea3i<\/strong>s l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/a><\/strong>Trong khi m\u1ed9t s\u1ed1 xe c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 m\u1ed9t, b\u1ea1n c\u00f3 th\u1ec3 ng\u1ea1c nhi\u00ean khi th\u1ea5y r\u1eb1ng nhi\u1ec1u xe \u00f4 t\u00f4, xe t\u1ea3i v\u00e0 SUV hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u c\u00f3 \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u2013 \u0111\u00f4i khi th\u1eadm ch\u00ed l\u00e0 hai ho\u1eb7c ba ho\u1eb7c nhi\u1ec1u h\u01a1n. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o l\u00fd do \u0111\u1eb1ng sau l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf n\u00e0y, gi\u1ea3i th\u00edch ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>, s\u1ef1 kh\u00e1c bi\u1ec7t lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 t\u1ea1i sao nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong>th\u01b0\u1eddng l\u1ef1a ch\u1ecdn nhi\u1ec1u \u0111\u01a1n v\u1ecb. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 l\u00e0m s\u00e1ng t\u1ecf l\u00fd do t\u1ea1i sao tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng v\u00e0 nh\u1eefng b\u01b0\u1edbc b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ec3 ng\u0103n ch\u1eb7n h\u00e0nh vi tr\u1ed9m c\u1eafp b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u0110\u00e2y l\u00e0 b\u00e0i vi\u1ebft c\u1ea7n ph\u1ea3i \u0111\u1ecdc \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ch\u1ee7 xe n\u00e0o t\u00f2 m\u00f2 v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a xe m\u00ecnh \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 xe.<\/p>\n\n\n\n

1. Ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t l\u00e0 g\u00ec? B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> trong vi\u1ec7c Gi\u1ea3m thi\u1ec3u Kh\u00ed th\u1ea3i<\/strong>S?<\/h2>\n\n\n\n

V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a b\u1ea1n xe c\u1ed9 h\u1ec7 th\u1ed1ng x\u1ea3<\/a><\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m kh\u00ed th\u1ea3i<\/strong> c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong<\/strong>. N\u1eb1m d\u1ecdc theo kh\u00ed th\u1ea3i<\/strong> \u1ed1ng, n\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc bi\u1ebfn \u0111\u1ed5i<\/strong> c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 \u0111\u1ed9c h\u1ea1i c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y th\u00e0nh c\u00e1c ch\u1ea5t \u00edt g\u00e2y h\u1ea1i h\u01a1n<\/strong>. Nh\u1eefng t\u00e1c h\u1ea1i n\u00e0y kh\u00ed<\/strong> bao g\u1ed3m cacbon monoxit<\/strong>, hydrocarbon<\/strong>, V\u00e0 nit\u01a1 oxit<\/strong>. B\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, M\u1ed9t ch\u1ea5t x\u00fac t\u00e1c<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i qu\u00fd<\/strong> gi\u1ed1ng b\u1ea1ch kim<\/strong>, paladi<\/strong>, V\u00e0 rhodi<\/strong>, ph\u1ee7 l\u00ean m\u1ed9t t\u1ed5 ong g\u1ed1m ho\u1eb7c h\u1ea1t. Nh\u01b0 kh\u00ed th\u1ea3i n\u00f3ng<\/strong> b\u1ecf qua \u0111i\u1ec1u n\u00e0y ch\u1ea5t x\u00fac t\u00e1c<\/strong>, n\u00f3 l\u00e0m t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i. Cacbon monoxit<\/strong> \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00e0nh kh\u00ed cacbonic<\/strong>, hydrocarbon<\/strong>s b\u1ecb oxy h\u00f3a th\u00e0nh carbon dioxide v\u00e0 n\u01b0\u1edbc<\/strong>, V\u00e0 nit\u01a1 oxit<\/strong>s \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng nit\u01a1 v\u00e0 oxy<\/strong>. V\u1ec1 c\u01a1 b\u1ea3n, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u00e0m s\u1ea1ch kh\u00ed th\u1ea3i<\/strong> tr\u01b0\u1edbc khi th\u1ea3i v\u00e0o kh\u00ed quy\u1ec3n, g\u00f3p ph\u1ea7n \u0111\u00e1ng k\u1ec3 v\u00e0o vi\u1ec7c l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed v\u00e0 \u0111\u00e1p \u1ee9ng kh\u00ed th\u1ea3i<\/strong> quy \u0111\u1ecbnh. Hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a nh\u1eefng th\u1ee9 n\u00e0y kim lo\u1ea1i qu\u00fd<\/strong> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c<\/strong> cho nh\u1eefng \u0111i\u1ec1u c\u1ea7n thi\u1ebft ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/strong>S.<\/p>\n\n\n\n

C\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u1ea3 vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ph\u00e1p l\u00fd. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, m\u1ee9c \u0111\u1ed9 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong>l\u01b0\u1ee3ng kh\u00ed th\u1ea3i do xe c\u1ed9 th\u1ea3i ra s\u1ebd cao h\u01a1n \u0111\u00e1ng k\u1ec3, g\u00f3p ph\u1ea7n \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed<\/strong> v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe. gi\u1edbi thi\u1ec7u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong vi\u1ec7c th\u1ef1c hi\u1ec7n \u00f4 t\u00f4<\/strong> ch\u1ea5t t\u1ea9y r\u1eeda v\u1eadn chuy\u1ec3n. M\u1ed9t ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u1ea3m b\u1ea3o r\u1eb1ng xe c\u1ee7a b\u1ea1n kh\u00ed th\u1ea3i<\/strong> ch\u1ee9a m\u1ee9c \u0111\u1ed9 th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 cacbon monoxit<\/strong>, hydrocarbon<\/strong>, V\u00e0 nit\u01a1 oxit<\/strong>. M\u1eb7c d\u00f9 n\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf kh\u00ed th\u1ea3i<\/strong>s ho\u00e0n to\u00e0n (nh\u01b0 kh\u00ed cacbonic<\/strong> v\u1eabn \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t), n\u00f3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 h\u1ea1i nh\u1ea5t. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a kim lo\u1ea1i qu\u00fd<\/strong> b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong> l\u00e0 ch\u00eca kh\u00f3a cho hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3, v\u00ec nh\u1eefng \u0111i\u1ec1u n\u00e0y kim lo\u1ea1i<\/strong>s t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c c\u1ea7n thi\u1ebft s\u1ef1 kh\u1eed v\u00e0 s\u1ef1 oxy h\u00f3a<\/strong> ph\u1ea3n \u1ee9ng m\u00e0 kh\u00f4ng b\u1ecb ti\u00eau th\u1ee5 trong qu\u00e1 tr\u00ecnh n\u00e0y. Ho\u1ea1t t\u00ednh x\u00fac t\u00e1c n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>.<\/p>\n\n\n\n

2. L\u00e0m th\u1ebf n\u00e0o c\u00f3 Ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> Th\u00fac \u0111\u1ea9y nhu c\u1ea7u v\u1ec1 nhi\u1ec1u B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S?<\/h2>\n\n\n\n

Vi\u1ec7c th\u1eaft ch\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111\u00e3 l\u00e0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh trong s\u1ef1 gia t\u0103ng t\u00ednh ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>s, bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s. C\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd nh\u01b0 C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng<\/strong> (EPA) t\u1ea1i Hoa K\u1ef3 v\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c t\u01b0\u01a1ng t\u1ef1 tr\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 d\u1ea7n d\u1ea7n \u0111\u1eb7t ra c\u00e1c gi\u1edbi h\u1ea1n nghi\u00eam ng\u1eb7t h\u01a1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong>m\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng. Nh\u1eefng \u0111i\u1ec1u n\u00e0y ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t y\u00eau c\u1ea7u v\u1ec1 kh\u00ed th\u1ea3i<\/strong> \u0111\u00e3 \u0111\u1ea9y nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong>\u0111\u1ec3 \u0111\u1ed5i m\u1edbi v\u00e0 t\u00ecm ra nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u1ec3 l\u00e0m s\u1ea1ch kh\u00ed th\u1ea3i<\/strong>. M\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ng\u01b0\u1ee1ng ng\u00e0y c\u00e0ng th\u1ea5p h\u01a1n cho cacbon monoxit<\/strong>, hydrocarbon<\/strong>, V\u00e0 nit\u01a1 oxit<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a xe.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t h\u01a1n n\u00e0y, c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e3 kh\u00e1m ph\u00e1 nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c nhau, bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n m\u1ed9t \u0111\u01a1n v\u1ecb, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u0103ng t\u1ed5ng di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c<\/strong> c\u00f3 s\u1eb5n cho ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/strong>s. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 h\u01a1n ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong>s, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau v\u00e0 trong th\u1eddi gian d\u00e0i nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c<\/strong> tu\u1ed5i. H\u01a1n n\u1eefa, kh\u00e1c nhau lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo tr\u00ecnh t\u1ef1, m\u1ed7i c\u00e1i \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u1ee5 th\u1ec3 kh\u00ed th\u1ea3i<\/strong>s. S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> \u0111\u00e3 tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn s\u1ef1 tinh vi h\u01a1n h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>nh\u01b0 ch\u00fang ta th\u1ea5y ng\u00e0y nay, th\u01b0\u1eddng k\u1ebft h\u1ee3p nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7. C\u00e1c \u0110\u1ea1o lu\u1eadt Kh\u00f4ng kh\u00ed S\u1ea1ch<\/strong> \u1edf Hoa K\u1ef3, v\u00ed d\u1ee5, \u0111\u00e3 l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a lu\u1eadt th\u00fac \u0111\u1ea9y nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

3. S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec? Lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec7n \u0111\u1ea1i? (Hai chi\u1ec1u so v\u1edbi ba chi\u1ec1u)<\/h2>\n\n\n\n

Xe hi\u1ec7n \u0111\u1ea1i ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng hai lo\u1ea1i ch\u00ednh lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s: c\u00e1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c hai chi\u1ec1u<\/strong> v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>. C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i hai chi\u1ec1u<\/strong>, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n c\u0169, t\u1eadp trung v\u00e0o hai ph\u1ea3n \u1ee9ng ch\u00ednh: qu\u00e1 tr\u00ecnh oxy h\u00f3a hydrocarbon<\/strong> V\u00e0 cacbon monoxit<\/strong> v\u00e0o trong h\u01a1i n\u01b0\u1edbc<\/strong> V\u00e0 kh\u00ed cacbonic<\/strong>. N\u00f3 kh\u00f4ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn nit\u01a1 oxit<\/strong> (NOx<\/strong>) kh\u00ed th\u1ea3i. C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>, hi\u1ec7n l\u00e0 ti\u00eau chu\u1ea9n trong h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i xe ch\u1ea1y b\u1eb1ng x\u0103ng k\u1ec3 t\u1eeb nh\u1eefng n\u0103m 1980, x\u1eed l\u00fd c\u1ea3 ba ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh: n\u00f3 oxy h\u00f3a hydrocarbon<\/strong>c\u00e1t cacbon monoxit<\/strong>v\u00e0 n\u00f3 c\u0169ng l\u00e0m gi\u1ea3m nit\u01a1 oxit<\/strong>s v\u00e0o nit\u01a1 v\u00e0 oxy<\/strong>.<\/p>\n\n\n\n

S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong> l\u00e0 m\u1ed9t ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3 trong kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t. Tuy nhi\u00ean, \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed3ng th\u1eddi c\u1ea3 ba ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m, h\u1ed7n h\u1ee3p nhi\u00ean li\u1ec7u kh\u00f4ng kh\u00ed c\u1ee7a \u0111\u1ed9ng c\u01a1 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c, \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fac c\u1ea3m bi\u1ebfn oxy ph\u00e1t huy t\u00e1c d\u1ee5ng (s\u1ebd th\u1ea3o lu\u1eadn sau). Trong m\u1ed9t s\u1ed1 xe h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>s, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u th\u1ee9 kh\u00e1c nhau lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s ho\u1eb7c nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ba chi\u1ec1u<\/strong> \u0111\u1ec3 n\u00e2ng cao h\u01a1n n\u1eefa kh\u00ed th\u1ea3i<\/strong> gi\u1ea3m. V\u00ed d\u1ee5, m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i hai chi\u1ec1u<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t x\u00fac t\u00e1c tr\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng hydrocarbon v\u00e0 carbon monoxide<\/strong> trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, ti\u1ebfp theo l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ba chi\u1ec1u<\/strong> \u0111\u1ec3 x\u1eed l\u00fd to\u00e0n di\u1ec7n h\u01a1n c\u1ea3 ba ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m \u1edf nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh. Hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c ch\u1ea5t n\u00e0y lo\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 l\u00fd do t\u1ea1i sao nhi\u1ec1u \u0111\u01a1n v\u1ecb c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>.<\/p>\n\n\n\n

\"Mazda-8-Branch-Three-Way-Catalytic-Converter\"<\/a>
Mazda-8-Branch-Three-Way-Catalytic-Converter<\/a><\/figcaption><\/figure>\n\n\n\n

4. T\u1ea1i sao m\u1ed9t s\u1ed1 xe c\u00f3 \u0111\u1ed9ng c\u01a1 ch\u00ednh? B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> v\u00e0 "M\u00e8o tr\u01b0\u1edbc" nh\u1ecf h\u01a1n g\u1ea7n Kh\u00ed th\u1ea3i<\/strong> \u0110a t\u1ea1p?<\/h2>\n\n\n\n

M\u1ed9t c\u1ea5u h\u00ecnh ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u lo\u1ea1i xe bao g\u1ed3m m\u1ed9t b\u1ed9 ph\u1eadn ch\u00ednh l\u1edbn h\u01a1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> n\u1eb1m xa h\u01a1n v\u1ec1 ph\u00eda h\u1ea1 l\u01b0u trong h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>, c\u00f9ng v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u nh\u1ecf h\u01a1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 "m\u00e8o ti\u1ec1n s\u1ea3n" ho\u1eb7c "m\u00e8o kh\u1edfi \u0111\u1ed9ng", n\u1eb1m g\u1ea7n h\u01a1n v\u1edbi kh\u00ed th\u1ea3i<\/strong> \u1ed1ng ph\u00e2n ph\u1ed1i, ngay sau \u0111\u1ed9ng c\u01a1. L\u00fd do ch\u00ednh cho thi\u1ebft k\u1ebf n\u00e0y l\u00e0 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t trong giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 ban \u0111\u1ea7u. Khi \u0111\u1ed9ng c\u01a1 kh\u1edfi \u0111\u1ed9ng l\u1ea1nh, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u1ea7n th\u1eddi gian \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u (th\u01b0\u1eddng l\u00e0 kho\u1ea3ng 400-700 \u0111\u1ed9 C ho\u1eb7c 750-1300 \u0111\u1ed9 F). Trong giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ed9ng n\u00e0y, hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng k\u00e9m h\u01a1n. ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong>S.<\/p>\n\n\n\n

Nh\u1eefng con m\u00e8o ti\u1ec1n s\u1eed, \u0111ang \u1edf g\u1ea7n h\u01a1n v\u1edbi c\u00e1i n\u00f3ng kh\u00ed th\u1ea3i<\/strong> ra kh\u1ecfi \u0111\u1ed9ng c\u01a1, n\u00f3ng l\u00ean nhanh h\u01a1n nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u00fang b\u1eaft \u0111\u1ea7u gi\u1ea3m hydrocarbon<\/strong> V\u00e0 kh\u00ed th\u1ea3i carbon monoxide<\/strong> s\u1edbm h\u01a1n sau khi \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng, l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian kh\u1edfi \u0111\u1ed9ng l\u1ea1nh t\u1ed5ng th\u1ec3 kh\u00ed th\u1ea3i<\/strong>s, c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 c\u1ee7a t\u1ed5ng s\u1ed1 kh\u00ed th\u1ea3i xe c\u1ed9<\/strong>. M\u1ed9t khi \u0111\u1ed9ng c\u01a1 v\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng, ch\u00ednh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> tr\u1edf n\u00ean ho\u00e0n to\u00e0n c\u00f3 hi\u1ec7u l\u1ef1c v\u00e0 x\u1eed l\u00fd ph\u1ea7n l\u1edbn kh\u00ed th\u1ea3i<\/strong> chuy\u1ec3n \u0111\u1ed5i. H\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i k\u00e9p n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 h\u01a1n kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau, gi\u00fap xe \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>. C\u00e1c ti\u1ec1n m\u00e8o v\u1ec1 c\u01a1 b\u1ea3n cung c\u1ea5p m\u1ed9t b\u1ed9 l\u1ecdc ban \u0111\u1ea7u c\u1ee7a kh\u00ed th\u1ea3i<\/strong>, trong khi ch\u00ednh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh d\u1ecdn d\u1eb9p k\u1ef9 l\u01b0\u1ee1ng h\u01a1n.<\/p>\n\n\n\n

5. C\u00f3 th\u1ec3 thi\u1ebft k\u1ebf c\u1ee7a H\u1ec7 th\u1ed1ng x\u1ea3<\/strong> \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S?<\/h2>\n\n\n\n

V\u00e2ng, thi\u1ebft k\u1ebf t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong xe. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u1ea5u h\u00ecnh \u0111\u1ed9ng c\u01a1 (v\u00ed d\u1ee5: \u0111\u1ed9ng c\u01a1 ch\u1eef V, \u0111\u1ed9ng c\u01a1 th\u1eb3ng h\u00e0ng), c\u00e1ch b\u1ed1 tr\u00ed kh\u00ed th\u1ea3i<\/strong> \u0111a t\u1ea1p v\u00e0 chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3 c\u1ee7a kh\u00ed th\u1ea3i<\/strong> \u1ed1ng c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft ho\u1eb7c cho ph\u00e9p \u0111\u1eb7t nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s. V\u00ed d\u1ee5, \u0111\u1ed9ng c\u01a1 ch\u1eef V c\u00f3 th\u1ec3 c\u00f3 hai \u0111\u1ed9ng c\u01a1 ri\u00eang bi\u1ec7t kh\u00ed th\u1ea3i<\/strong> \u0111a t\u1ea1p, m\u1ed7i \u0111a t\u1ea1p c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 ri\u00eang c\u1ee7a n\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ho\u1eb7c t\u1eadp h\u1ee3p c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i tr\u01b0\u1edbc khi h\u1ee3p nh\u1ea5t th\u00e0nh m\u1ed9t kh\u00ed th\u1ea3i<\/strong> \u1ed1ng. Thi\u1ebft k\u1ebf n\u00e0y c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a l\u01b0u l\u01b0\u1ee3ng c\u1ee7a kh\u00ed th\u1ea3i<\/strong> v\u00e0 cung c\u1ea5p nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m h\u01a1n \u0111\u1ec3 c\u00f3 hi\u1ec7u qu\u1ea3 kh\u00ed th\u1ea3i<\/strong> s\u1ef1 \u0111\u1ed1i \u0111\u00e3i.<\/p>\n\n\n\n

H\u01a1n n\u1eefa, chi\u1ec1u d\u00e0i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a kh\u00ed th\u1ea3i<\/strong> \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00ed th\u1ea3i<\/strong> \u0111\u1ea1t t\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. B\u1eb1ng c\u00e1ch b\u1ed1 tr\u00ed b\u1ed9 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c t\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng, nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong>s c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ea5t x\u00fac t\u00e1c<\/strong>ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, h\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian b\u00ean trong g\u1ea7m xe c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>\u0111\u00e3 s\u1eed d\u1ee5ng. Thay v\u00ec m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i l\u1edbn, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 ch\u1ecdn hai b\u1ed9 chuy\u1ec3n \u0111\u1ed5i nh\u1ecf h\u01a1n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian c\u00f3 s\u1eb5n trong khi v\u1eabn cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 c\u1ea7n thi\u1ebft ch\u1ea5t x\u00fac t\u00e1c<\/strong> kh\u1ed1i l\u01b0\u1ee3ng cho hi\u1ec7u qu\u1ea3 kh\u00ed th\u1ea3i<\/strong> gi\u1ea3m. Do \u0111\u00f3, s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s th\u01b0\u1eddng l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a t\u1ed5ng th\u1ec3 h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> thi\u1ebft k\u1ebf, nh\u1eb1m m\u1ee5c \u0111\u00edch t\u1ed1i \u0111a h\u00f3a kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a xe trong nh\u1eefng r\u00e0ng bu\u1ed9c nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

6. C\u00f3 l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t khi s\u1eed d\u1ee5ng nhi\u1ec1u B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S?<\/h2>\n\n\n\n

Trong khi l\u00fd do ch\u00ednh \u0111\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s l\u00e0 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t, c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch hi\u1ec7u su\u1ea5t gi\u00e1n ti\u1ebfp trong m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng nh\u1ea5t \u0111\u1ecbnh. M\u1ed9t thi\u1ebft k\u1ebf t\u1ed1t h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> v\u1edbi c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a kh\u00ed th\u1ea3i<\/strong> d\u00f2ng kh\u00ed. N\u1ebfu m\u1ed9t, qu\u00e1 h\u1ea1n ch\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra \u00e1p su\u1ea5t ng\u01b0\u1ee3c trong h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>, c\u1ea3n tr\u1edf hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i nh\u1ecf h\u01a1n, nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/strong>\u0111\u00f4i khi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 c\u1ea7n thi\u1ebft kh\u00ed th\u1ea3i<\/strong> gi\u1ea3m thi\u1ec3u \u00e1p su\u1ea5t ng\u01b0\u1ee3c.<\/p>\n\n\n\n

Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 hi\u1ec7u su\u1ea5t th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh \u0111\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s. Tr\u1ecdng t\u00e2m ch\u1ee7 y\u1ebfu l\u00e0 cu\u1ed9c h\u1ecdp ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>. B\u1ea5t k\u1ef3 l\u1ee3i \u00edch hi\u1ec7u su\u1ea5t n\u00e0o th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 th\u1ee9 c\u1ea5p c\u1ee7a vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> cho hi\u1ec7u qu\u1ea3 kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t. Hi\u1ec7n \u0111\u1ea1i b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u00f4ng ngh\u1ec7 \u0111\u00e3 ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3, cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 cao v\u1edbi h\u1ea1n ch\u1ebf t\u1ed1i thi\u1ec3u kh\u00ed th\u1ea3i<\/strong> d\u00f2ng ch\u1ea3y. Do \u0111\u00f3, trong khi m\u1ed9t s\u1ef1 c\u00e2n b\u1eb1ng h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> thi\u1ebft k\u1ebf, c\u00f3 kh\u1ea3 n\u0103ng bao g\u1ed3m nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o hi\u1ec7u su\u1ea5t xe t\u1ed1t, \u0111\u1ed9ng l\u1ef1c c\u1ed1t l\u00f5i v\u1eabn l\u00e0 kh\u00ed th\u1ea3i<\/strong> tu\u00e2n th\u1ee7. Thay th\u1ebf OEM<\/strong> nhi\u1ec1u h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i v\u1edbi thi\u1ebft k\u1ebf k\u00e9m h\u1eadu m\u00e3i<\/strong> c\u00e1c \u0111\u01a1n v\u1ecb ri\u00eang l\u1ebb c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn c\u1ea3 hai kh\u00ed th\u1ea3i<\/strong>v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

7. C\u00e1c lo\u1ea1i xe c\u00f3 lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau (v\u00ed d\u1ee5: V6 so v\u1edbi Inline-4) c\u00f3 xu h\u01b0\u1edbng c\u00f3 s\u1ed1 l\u01b0\u1ee3ng kh\u00e1c nhau kh\u00f4ng? B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S?<\/h2>\n\n\n\n

C\u00f3, c\u00e1c lo\u1ea1i xe c\u00f3 lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau th\u01b0\u1eddng c\u00f3 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 c\u1ea5u h\u00ecnh kh\u00e1c nhau b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s. C\u1ea5u h\u00ecnh \u0111\u1ed9ng c\u01a1 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng x\u1ea3<\/strong>V\u00ed d\u1ee5, \u0111\u1ed9ng c\u01a1 V6 th\u01b0\u1eddng c\u00f3 hai d\u00e3y xi-lanh ri\u00eang bi\u1ec7t, m\u1ed7i d\u00e3y c\u00f3 kh\u00ed th\u1ea3i<\/strong> \u0111a t\u1ea1p. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, ng\u01b0\u1eddi ta th\u01b0\u1eddng th\u1ea5y m\u1ed7i \u0111a t\u1ea1p \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi ch\u00ednh n\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i tr\u01b0\u1edbc kh\u00ed th\u1ea3i<\/strong> c\u00e1c lu\u1ed3ng h\u1ee3p nh\u1ea5t. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn \u00edt nh\u1ea5t hai b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s d\u00e0nh cho \u0111\u1ed9ng c\u01a1 V6.<\/p>\n\n\n\n

M\u1eb7t kh\u00e1c, \u0111\u1ed9ng c\u01a1 4 xi-lanh th\u1eb3ng h\u00e0ng c\u00f3 m\u1ed9t kh\u00ed th\u1ea3i<\/strong> \u0111a d\u1ea1ng, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t ho\u1eb7c m\u1ed9t lo\u1ea1t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s trong kh\u00ed th\u1ea3i<\/strong> \u1ed1ng. Tuy nhi\u00ean, ngay c\u1ea3 v\u1edbi \u0111\u1ed9ng c\u01a1 th\u1eb3ng h\u00e0ng, nhu c\u1ea7u \u0111\u00e1p \u1ee9ng c\u1ee5 th\u1ec3 ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong> c\u00f3 th\u1ec3 c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ti\u1ec1n m\u00e8o ngo\u00e0i lo\u1ea1i ch\u00ednh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, d\u1eabn \u0111\u1ebfn nhi\u1ec1u \u0111\u01a1n v\u1ecb. \u0110\u1ed9ng c\u01a1 l\u1edbn h\u01a1n v\u00e0 m\u1ea1nh h\u01a1n, b\u1ea5t k\u1ec3 c\u1ea5u h\u00ecnh c\u1ee7a ch\u00fang, th\u01b0\u1eddng t\u1ea1o ra nhi\u1ec1u kh\u00ed th\u1ea3i<\/strong> V\u00e0 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/strong>s, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n ho\u1eb7c k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 c\u1ea7n thi\u1ebft kh\u00ed th\u1ea3i<\/strong> gi\u1ea3m. Do \u0111\u00f3, s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s g\u1eafn ch\u1eb7t v\u1edbi lo\u1ea1i \u0111\u1ed9ng c\u01a1 v\u00e0 n\u00f3 kh\u00ed th\u1ea3i<\/strong> \u0111\u1eb7c tr\u01b0ng.<\/p>\n\n\n\n

8. Vai tr\u00f2 c\u1ee7a c\u1ea3m bi\u1ebfn oxy li\u00ean quan \u0111\u1ebfn B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> H\u1ec7 th\u1ed1ng?<\/h2>\n\n\n\n

C\u1ea3m bi\u1ebfn oxy l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng ho\u1ea1t \u0111\u1ed9ng k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ed1i \u01b0u kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t. Th\u00f4ng th\u01b0\u1eddng, c\u00f3 hai c\u1ea3m bi\u1ebfn oxy ch\u00ednh: m\u1ed9t c\u1ea3m bi\u1ebfn n\u1eb1m \u1edf th\u01b0\u1ee3ng ngu\u1ed3n (tr\u01b0\u1edbc) b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> v\u00e0 m\u1ed9t h\u1ea1 l\u01b0u (sau) b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. C\u1ea3m bi\u1ebfn oxy th\u01b0\u1ee3ng ngu\u1ed3n \u0111o l\u01b0\u1ee3ng oxy trong kh\u00ed th\u1ea3i<\/strong> \u0111\u1ebfn tr\u1ef1c ti\u1ebfp t\u1eeb \u0111\u1ed9ng c\u01a1. Th\u00f4ng tin n\u00e0y \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 (ECU), s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u1ed7n h\u1ee3p kh\u00f4ng kh\u00ed-nhi\u00ean li\u1ec7u nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 n\u00e0y c\u00e0ng g\u1ea7n v\u1edbi t\u1ef7 l\u1ec7 h\u00f3a h\u1ecdc (t\u1ef7 l\u1ec7 l\u00fd t\u01b0\u1edfng cho qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n) c\u00e0ng t\u1ed1t. Vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c h\u1ed7n h\u1ee3p kh\u00f4ng kh\u00ed-nhi\u00ean li\u1ec7u n\u00e0y l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft cho b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong> \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 cacbon monoxit<\/strong>, hydrocarbon<\/strong>c\u00e1t nit\u01a1 oxit<\/strong>S.<\/p>\n\n\n\n

C\u1ea3m bi\u1ebfn oxy h\u1ea1 l\u01b0u theo d\u00f5i m\u1ee9c oxy trong kh\u00ed th\u1ea3i<\/strong> sau khi h\u1ecd \u0111\u00e3 \u0111i qua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. Vai tr\u00f2 ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>. N\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> N\u1ebfu ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, n\u1ed3ng \u0111\u1ed9 oxy \u1edf h\u1ea1 l\u01b0u ph\u1ea3i kh\u00e1c v\u1edbi n\u1ed3ng \u0111\u1ed9 oxy \u1edf th\u01b0\u1ee3ng l\u01b0u, cho th\u1ea5y qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111ang di\u1ec5n ra. N\u1ebfu c\u1ea3m bi\u1ebfn h\u1ea1 l\u01b0u ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 oxy t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u1ea3m bi\u1ebfn th\u01b0\u1ee3ng l\u01b0u, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 cho th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t \u0111\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1<\/strong> \u0111\u1ec3 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u00e1i xe v\u1ec1 m\u1ed9t v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n. V\u00f2ng ph\u1ea3n h\u1ed3i \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c c\u1ea3m bi\u1ebfn oxy v\u00e0 ECU r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>.<\/p>\n\n\n\n

\"Vai<\/a>
Vai tr\u00f2 quan tr\u1ecdng c\u1ee7a c\u1ea3m bi\u1ebfn oxy trong hi\u1ec7u su\u1ea5t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/a><\/figcaption><\/figure>\n\n\n\n

9. Vi\u1ec7c s\u1eed d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o Th\u1ecb tr\u01b0\u1eddng h\u1eadu m\u00e3i<\/strong> B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s Kh\u00e1c v\u1edbi OEM<\/strong> (V\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong>) H\u1ec7 th\u1ed1ng c\u00f3 nhi\u1ec1u \u0111\u01a1n v\u1ecb?<\/h2>\n\n\n\n

Khi m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> c\u1ea7n thay th\u1ebf, ch\u1ee7 xe th\u01b0\u1eddng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 l\u1ef1a ch\u1ecdn gi\u1eefa h\u1eadu m\u00e3i<\/strong> V\u00e0 OEM<\/strong> (Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c<\/strong> ho\u1eb7c v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong>) c\u00e1c t\u00f9y ch\u1ecdn. Trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n ban \u0111\u1ea7u \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u \u0111\u01a1n v\u1ecb, OEM<\/strong> c\u00e1c s\u1ea3n ph\u1ea9m thay th\u1ebf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ban \u0111\u1ea7u. Nh\u1eefng v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi xe h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>. Ch\u00fang th\u01b0\u1eddng sao ch\u00e9p c\u1ea5u h\u00ecnh ban \u0111\u1ea7u, bao g\u1ed3m s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u1ebfu xe \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi nhi\u1ec1u b\u1ed9 ph\u1eadn.<\/p>\n\n\n\n

Th\u1ecb tr\u01b0\u1eddng h\u1eadu m\u00e3i<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>M\u1eb7t kh\u00e1c, ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i xe h\u01a1n. Trong khi m\u1ed9t s\u1ed1 h\u1eadu m\u00e3i<\/strong> c\u00e1c t\u00f9y ch\u1ecdn c\u00f3 th\u1ec3 c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u00e1p \u1ee9ng kh\u00ed th\u1ea3i<\/strong> quy \u0111\u1ecbnh, nh\u1eefng quy \u0111\u1ecbnh kh\u00e1c c\u00f3 th\u1ec3 k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho thi\u1ebft l\u1eadp b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111a n\u0103ng ban \u0111\u1ea7u c\u1ee7a xe. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, m\u1ed9t h\u1eadu m\u00e3i<\/strong> s\u1ef1 thay th\u1ebf c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c thay th\u1ebf nhi\u1ec1u OEM<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u1edbi m\u1ed9t h\u1eadu m\u00e3i<\/strong> \u0111\u01a1n v\u1ecb \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y \u0111\u00f4i khi c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gi\u1ea3m hi\u1ec7u qu\u1ea3 trong kh\u00ed th\u1ea3i<\/strong> ki\u1ec3m so\u00e1t, c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 c\u1ea3m bi\u1ebfn oxy v\u00e0 th\u1eadm ch\u00ed k\u00edch ho\u1ea1t \u0111\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1<\/strong>. H\u01a1n n\u1eefa, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a kim lo\u1ea1i qu\u00fd<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1eadu m\u00e3i<\/strong> B\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3. \u0110\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00ed th\u1ea3i<\/strong> tu\u00e2n th\u1ee7, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n ban \u0111\u1ea7u \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S, OEM<\/strong> ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng cao v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch thay th\u1ebf sao cho gi\u1ed1ng v\u1edbi thi\u1ebft k\u1ebf ban \u0111\u1ea7u. Ch\u1ecdn m\u1ed9t s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p h\u1eadu m\u00e3i<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u0169ng c\u00f3 th\u1ec3 t\u0103ng nguy c\u01a1 tr\u1ed9m c\u1eafp<\/strong> n\u1ebfu n\u00f3 ch\u1ee9a \u00edt h\u01a1n kim lo\u1ea1i qu\u00fd c\u00f3 gi\u00e1 tr\u1ecb<\/strong>.<\/p>\n\n\n\n

10. V\u1edbi s\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a Tr\u1ed9m c\u1eafp b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong>, C\u00f3 nhi\u1ec1u \u0111\u01a1n v\u1ecb l\u00e0m t\u0103ng Nguy c\u01a1 tr\u1ed9m c\u1eafp<\/strong>?<\/h2>\n\n\n\n

Th\u1eadt kh\u00f4ng may, s\u1ef1 ph\u1ed5 bi\u1ebfn ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 m\u1ed1i quan t\u00e2m \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi ch\u1ee7 s\u1edf h\u1eefu xe. Gi\u00e1 tr\u1ecb c\u1ee7a kim lo\u1ea1i qu\u00fd<\/strong> b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ea1ch kim<\/strong>, paladi<\/strong>, V\u00e0 rhodi<\/strong>, \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 gia t\u0103ng t\u1ed9i ph\u1ea1m n\u00e0y. Xe c\u00f3 nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00f3 th\u1ec3 \u0111\u01b0a ra m\u1ee5c ti\u00eau l\u1edbn h\u01a1n cho b\u1ecdn tr\u1ed9m<\/strong>. Xe c\u00e0ng c\u00f3 nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i th\u00ec c\u00e0ng kim lo\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb ch\u00fang m\u1ed9t c\u00e1ch t\u1ed5ng h\u1ee3p. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang \u0111\u1ed1i v\u1edbi nh\u1eefng xe c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i d\u1ec5 ti\u1ebfp c\u1eadn.<\/p>\n\n\n\n

\"T\u1ea1i
T\u1ea1i sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb \u0111\u00e1nh c\u1eafp v\u00e0 c\u00e1ch ng\u0103n ch\u1eb7n<\/a><\/figcaption><\/figure>\n\n\n\n

Tuy nhi\u00ean, c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh nguy c\u01a1 tr\u1ed9m c\u1eafp<\/strong> th\u01b0\u1eddng l\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>(s) v\u00e0 gi\u00e1 tr\u1ecb nh\u1eadn th\u1ee9c c\u1ee7a kim lo\u1ea1i b\u00ean trong b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/strong>M\u1ed9t s\u1ed1 xe c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i d\u1ec5 b\u1ecb l\u1ed9 h\u01a1n v\u00e0 d\u1ec5 b\u1ecb c\u1eaft h\u01a1n nh\u1eefng xe kh\u00e1c. M\u1eb7c d\u00f9 vi\u1ec7c c\u00f3 nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u00f3 v\u1ebb nh\u01b0 mang l\u1ea1i l\u1ee3i nhu\u1eadn ti\u1ec1m n\u0103ng l\u1edbn h\u01a1n cho b\u1ecdn tr\u1ed9m<\/strong>, m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n l\u1ebb, d\u1ec5 ti\u1ebfp c\u1eadn v\u1edbi n\u1ed3ng \u0111\u1ed9 cao kim lo\u1ea1i qu\u00fd c\u00f3 gi\u00e1 tr\u1ecb<\/strong> c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng nh\u01b0 v\u1eady. gi\u00fap ng\u0103n ng\u1eeba tr\u1ed9m c\u1eafp<\/strong>C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nhi\u1ec1u bi\u1ec7n ph\u00e1p an ninh kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb ch\u1ed1ng tr\u1ed9m, kh\u1eafc s\u1ed1 VIN l\u00ean b\u1ed9 chuy\u1ec3n \u0111\u1ed5i, \u0111\u1ed7 xe \u1edf nh\u1eefng n\u01a1i an to\u00e0n v\u00e0 \u0111\u1ee7 \u00e1nh s\u00e1ng, v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 cao ch\u1ed7 \u0111\u1ed7 xe \u0111\u1ec3 vi\u1ec7c ra v\u00e0o kh\u00f3 kh\u0103n h\u01a1n. Cho d\u00f9 xe c\u00f3 m\u1ed9t hay nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>Do \u0111\u00f3, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng hi\u1ec7n nay.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

Hi\u1ec3u \u0111\u01b0\u1ee3c l\u00fd do t\u1ea1i sao xe c\u1ee7a b\u1ea1n c\u00f3 ba b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed, \u0111\u1ea3m b\u1ea3o xe c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t. Tuy nhi\u00ean, ch\u00fang c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a tr\u1ed9m c\u1eafp do ch\u1ee9a c\u00e1c kim lo\u1ea1i qu\u00fd b\u00ean trong. B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u00fang \u0111\u1eafn, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng b\u1ed9 ph\u1eadn thi\u1ebft y\u1ebfu n\u00e0y v\u00e0 \u0111\u1ea3m b\u1ea3o xe c\u1ee7a b\u1ea1n v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 v\u00e0 s\u1ea1ch s\u1ebd.<\/p>\n\n\n\n

Nh\u1eefng \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb:<\/h2>\n\n\n\n
    \n
  • Nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ng\u00e0y c\u00e0ng nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i<\/strong>.<\/li>\n\n\n\n
  • Ti\u1ec1n m\u00e8o gi\u00fap gi\u1ea3m kh\u00ed th\u1ea3i<\/strong>trong giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1.<\/li>\n\n\n\n
  • C\u1ea5u h\u00ecnh \u0111\u1ed9ng c\u01a1 v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3<\/strong> thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S.<\/li>\n\n\n\n
  • M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh, nh\u01b0ng m\u1ed9t h\u1ec7 th\u1ed1ng \u0111a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t \u0111\u00f4i khi c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u kh\u00ed th\u1ea3i<\/strong> \u00e1p su\u1ea5t ng\u01b0\u1ee3c.<\/li>\n\n\n\n
  • C\u00e1c lo\u1ea1i xe c\u00f3 lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau th\u01b0\u1eddng c\u00f3 s\u1ed1 l\u01b0\u1ee3ng kh\u00e1c nhau b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>S.<\/li>\n\n\n\n
  • C\u1ea3m bi\u1ebfn oxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> h\u1ec7 th\u1ed1ng.<\/li>\n\n\n\n
  • OEM<\/strong> ho\u1eb7c v\u1eeba kh\u00edt tr\u1ef1c ti\u1ebfp<\/strong> b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> vi\u1ec7c thay th\u1ebf th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi nh\u1eefng xe ban \u0111\u1ea7u \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u b\u1ed9 ph\u1eadn.<\/li>\n\n\n\n
  • Xe c\u00f3 nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong>s c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ee5c ti\u00eau l\u1edbn h\u01a1n cho tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> do ti\u1ec1m n\u0103ng cho nhi\u1ec1u h\u01a1n kim lo\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb<\/strong>.<\/li>\n\n\n\n
  • Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ea1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> t\u1eeb b\u1ecdn tr\u1ed9m<\/strong>, b\u1ea5t k\u1ec3 xe c\u1ee7a b\u1ea1n c\u00f3 m\u1ed9t hay nhi\u1ec1u thi\u1ebft b\u1ecb.<\/li>\n\n\n\n
  • Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/strong> l\u00e0 \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00f3 h\u1ea1i kh\u00ed th\u1ea3i<\/strong> v\u00e0o trong c\u00e1c ch\u1ea5t \u00edt g\u00e2y h\u1ea1i h\u01a1n<\/strong>, g\u00f3p ph\u1ea7n l\u00e0m cho kh\u00f4ng kh\u00ed trong l\u00e0nh h\u01a1n.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao xe h\u01a1i hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c. T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n kh\u00ed th\u1ea3i nghi\u00eam ng\u1eb7t, ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 l\u1ecdc x\u00fac t\u00e1c tr\u01b0\u1edbc (pre-cat) v\u00e0 c\u00e1ch thi\u1ebft k\u1ebf \u1ed1ng x\u1ea3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 nguy c\u01a1 tr\u1ed9m c\u1eafp.<\/p>","protected":false},"author":1,"featured_media":3438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[507,506,511,106,490,414,515,505,508,440,498,32,412,405,513,512,510,26,518,514,410,516,517],"class_list":["post-3432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-air-pollution","tag-automaker","tag-automotive-catalytic-converters","tag-catalytic-converter","tag-catalytic-converter-failure","tag-catalytic-converter-theft","tag-catalytic-converter-types","tag-converter-thefts","tag-direct-fit","tag-direct-fit-catalytic-converter","tag-emission-standards","tag-exhaust-system","tag-oem","tag-precious-metals","tag-precious-metals-in-converters","tag-prevent-catalytic-converter-theft","tag-three-catalytic-converters","tag-three-way-catalytic-converter","tag-v6-catalytic-converter","tag-v8-catalytic-converter","tag-vehicle-emissions","tag-vehicle-exhaust-system","tag-vehicle-performance-and-emissions"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/comments?post=3432"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/3432\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/3438"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=3432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=3432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=3432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}