{"id":4792,"date":"2025-08-25T23:51:50","date_gmt":"2025-08-26T07:51:50","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=4792"},"modified":"2025-08-25T23:51:52","modified_gmt":"2025-08-26T07:51:52","slug":"where-is-the-three-way-catalytic-converter-installed-in-a-car","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/cs\/where-is-the-three-way-catalytic-converter-installed-in-a-car\/","title":{"rendered":"Kde je v aut\u011b instalov\u00e1n t\u0159\u00edcestn\u00fd katalyz\u00e1tor?"},"content":{"rendered":"

Ten\/Ta\/To t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> je jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch sou\u010d\u00e1st\u00ed modern\u00edho vozidla v\u00fdfukov\u00fd syst\u00e9m<\/strong>Jeho \u00fakol je jednoduch\u00fd, ale kl\u00ed\u010dov\u00fd: transformuje \u0161kodliv\u00e9 v\u00fdfukov\u00e9 plyny<\/strong> do m\u00e9n\u011b \u0161kodliv\u00fdch l\u00e1tek<\/strong> prost\u0159ednictv\u00edm s\u00e9rie chemick\u00e9 reakce<\/strong>Pro mnoho majitel\u016f aut je v\u0161ak velkou ot\u00e1zkou: Kde p\u0159esn\u011b se v aut\u011b instaluje t\u0159\u00edcestn\u00fd katalyz\u00e1tor?<\/em><\/p>\n\n\n\n

V tomto \u010dl\u00e1nku si vysv\u011btl\u00edme p\u0159esn\u00e9 um\u00edst\u011bn\u00ed t\u0159\u00edcestn\u00e9ho katalyz\u00e1toru, pro\u010d je tam instalov\u00e1n, jak funguje a co by majitel\u00e9 automobil\u016f m\u011bli v\u011bd\u011bt o \u00fadr\u017eb\u011b a potenci\u00e1ln\u00edch probl\u00e9mech.<\/p>\n\n\n\n

Co je to t\u0159\u00edcestn\u00fd katalyz\u00e1tor?<\/h2>\n\n\n\n

A t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> (TWC) je navr\u017een tak, aby sn\u00ed\u017eil emise t\u0159\u00ed nej\u0161kodliv\u011bj\u0161\u00edch zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek produkovan\u00fdch spalovac\u00ed motory<\/strong>:<\/p>\n\n\n\n

    \n
  • Oxid uhelnat\u00fd (CO)<\/strong> \u2013 jedovat\u00fd plyn<\/strong> kter\u00fd vznik\u00e1 nedokonal\u00fdm spalov\u00e1n\u00edm.<\/li>\n\n\n\n
  • Uhlovod\u00edky (HC)<\/strong> \u2013 nesp\u00e1len\u00e9 palivo, kter\u00e9 p\u0159isp\u00edv\u00e1 ke smogu a zne\u010di\u0161t\u011bn\u00ed ovzdu\u0161\u00ed<\/strong>.<\/li>\n\n\n\n
  • Oxidy dus\u00edku (NOx)<\/strong> \u2013 plyny, kter\u00e9 zp\u016fsobuj\u00ed kysel\u00e9 de\u0161t\u011b a smog, kdy\u017e dus\u00edk a kysl\u00edk<\/strong> kombinovat p\u0159i vysok\u00fdch teplot\u00e1ch motoru.<\/li>\n<\/ul>\n\n\n\n

    Term\u00edn \u201et\u0159\u00edcestn\u00fd\u201c vych\u00e1z\u00ed ze skute\u010dnosti, \u017ee p\u0159evodn\u00edk zpracov\u00e1v\u00e1 v\u0161echny t\u0159i tyto emise sou\u010dasn\u011b pomoc\u00ed kombinace oxida\u010dn\u00ed katalyz\u00e1tory<\/strong> a redukce a oxidace<\/strong> reakce. Kovy uvnit\u0159 konvertoru \u2013 obvykle platina, palladium a rhodium<\/strong> \u2013 p\u016fsobit jako katalyz\u00e1tor<\/strong> co\u017e je urychluje chemick\u00e9 reakce<\/strong> ani\u017e by byly spot\u0159ebov\u00e1ny.<\/p>\n\n\n\n

    P\u0159i spr\u00e1vn\u00e9m provozu p\u0159em\u011b\u0148uje konvertor \u0161kodliv\u00e9 plyny na oxid uhli\u010dit\u00fd a voda<\/strong>spolu s ne\u0161kodn\u00fdmi dus\u00edk<\/strong>.<\/p>\n\n\n\n

    Kde je instalov\u00e1n t\u0159\u00edcestn\u00fd katalyz\u00e1tor?<\/h2>\n\n\n\n

    Ten\/Ta\/To t\u0159\u00edcestn\u00fd katalyz\u00e1tor je instalov\u00e1n p\u0159ed v\u00fdfukov\u00fdm potrub\u00edm<\/strong>, bl\u00edzko motoru. Pokud zvednete auto a pod\u00edv\u00e1te se pod spodn\u00ed zadn\u00ed podvozek, m\u011bni\u010d je prvn\u00ed velk\u00e1 sou\u010d\u00e1st ve tvaru kotl\u00edku, kter\u00e9 si v\u0161imnete v\u00fdfukov\u00fd syst\u00e9m<\/strong>.<\/p>\n\n\n\n

    Obvykle se nach\u00e1z\u00ed mezi dv\u011bma d\u016fle\u017eit\u00fdmi senzory:<\/p>\n\n\n\n

      \n
    • P\u0159edn\u00ed lambda sonda<\/strong> \u2013 m\u011b\u0159\u00ed obsah kysl\u00edku<\/strong> v v\u00fdfukov\u00e9 plyny<\/strong> jakmile vystoup\u00ed z motoru.<\/li>\n\n\n\n
    • Zadn\u00ed lambda sonda<\/strong> \u2013 m\u011b\u0159\u00ed plyny po jejich pr\u016fchodu konvertorem, aby se zajistilo katalyz\u00e1tor je nezbytn\u00fd<\/strong> za\u0159\u00edzen\u00ed funguje spr\u00e1vn\u011b.<\/li>\n<\/ul>\n\n\n\n

      Toto um\u00edst\u011bn\u00ed je z\u00e1m\u011brn\u00e9. M\u011bni\u010d mus\u00ed b\u00fdt bl\u00edzko motoru, proto\u017ee je na n\u011bm z\u00e1visl\u00fd. hork\u00e9 v\u00fdfukov\u00e9 plyny<\/strong> dos\u00e1hnout vysok\u00fdch provozn\u00edch teplot pot\u0159ebn\u00fdch pro efektivn\u00ed chemick\u00e9 reakce<\/strong>Pokud by byl um\u00edst\u011bn d\u00e1le dozadu, plyny by se ochladily a reakce by byla m\u00e9n\u011b \u00fa\u010dinn\u00e1.<\/p>\n\n\n\n

      Tak\u017ee jednoduch\u00e1 odpov\u011b\u010f zn\u00ed: Trojcestn\u00fd katalyz\u00e1tor je instalov\u00e1n v p\u0159edn\u00ed \u010d\u00e1sti v\u00fdfukov\u00e9ho potrub\u00ed, mezi p\u0159edn\u00ed a zadn\u00ed lambda sondou a t\u011bsn\u011b za v\u00fdfukov\u00fdm potrub\u00edm<\/strong>.<\/p>\n\n\n\n

      Pro\u010d je p\u0159evodn\u00edk instalov\u00e1n na tomto m\u00edst\u011b?<\/h2>\n\n\n\n

      Um\u00edst\u011bn\u00ed p\u0159evodn\u00edku je zalo\u017eeno na technick\u00fdch i environment\u00e1ln\u00edch pot\u0159eb\u00e1ch:<\/p>\n\n\n\n

        \n
      1. Po\u017eadavek na vysokou teplotu<\/strong> \u2013 Ten\/Ta\/To chemick\u00e9 reakce, kter\u00e9 transformuj\u00ed<\/strong> \u0160kodliv\u00e9 plyny se \u00fa\u010dinn\u011b uvol\u0148uj\u00ed pouze tehdy, kdy\u017e je katalyz\u00e1tor velmi hork\u00fd. Um\u00edst\u011bn\u00ed v bl\u00edzkosti motoru zajist\u00ed, \u017ee bude p\u0159ij\u00edmat hork\u00e9 v\u00fdfukov\u00e9 plyny<\/strong> p\u0159\u00edmo.<\/li>\n\n\n\n
      2. Efektivn\u00ed kontrola emis\u00ed<\/strong> \u2013 D\u00edky bl\u00edzkosti motoru za\u010dne m\u011bni\u010d pracovat t\u00e9m\u011b\u0159 okam\u017eit\u011b po spu\u0161t\u011bn\u00ed, \u010d\u00edm\u017e se sni\u017euje emise oxidu uhelnat\u00e9ho<\/strong> a dal\u0161\u00edch zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek rychleji.<\/li>\n\n\n\n
      3. Integrace se senzory<\/strong> \u2013 Ten\/Ta\/To kysl\u00edkov\u00fd senzor<\/strong> Hodnoty p\u0159ed a za p\u0159evodn\u00edkem umo\u017e\u0148uj\u00ed po\u010d\u00edta\u010di vozu zkontrolovat, zda p\u0159evodn\u00edk funguje spr\u00e1vn\u011b. Pokud oba senzory ukazuj\u00ed podobn\u00e1 data, syst\u00e9m spust\u00ed kontrolka motoru<\/strong>, \u010d\u00edm\u017e \u0159idi\u010de varuje, \u017ee m\u011bni\u010d ji\u017e nemus\u00ed efektivn\u011b fungovat.<\/li>\n<\/ol>\n\n\n\n

        Jak funguje t\u0159\u00edcestn\u00fd p\u0159evodn\u00edk po instalaci?<\/h2>\n\n\n\n

        P\u0159i instalaci v p\u0159edn\u00ed \u010d\u00e1sti v\u00fdfukov\u00fd syst\u00e9m vozidla<\/strong>, ten t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> pln\u00ed t\u0159i hlavn\u00ed \u00fakoly:<\/p>\n\n\n\n

          \n
        • Oxidace oxidu uhelnat\u00e9ho<\/strong>Konvertuje oxid uhelnat\u00fd na oxid uhli\u010dit\u00fd<\/strong>, a m\u00e9n\u011b \u0161kodliv\u00e9<\/strong> plyn.<\/li>\n\n\n\n
        • Oxidace uhlovod\u00edk\u016f<\/strong>Ot\u00e1\u010d\u00ed se uhlovod\u00edk<\/strong> zbytky paliva do oxid uhli\u010dit\u00fd a voda<\/strong>.<\/li>\n\n\n\n
        • Redukce oxid\u016f dus\u00edku<\/strong>: Rozpad\u00e1 se oxid dus\u00edku<\/strong> do ne\u0161kodn\u00e9ho dus\u00edk a kysl\u00edk<\/strong>.<\/li>\n<\/ul>\n\n\n\n

          To znamen\u00e1, \u017ee konvertor neust\u00e1le transformuje toxick\u00e9 l\u00e1tky v\u00fdfukov\u00e9 plyny<\/strong> do m\u00e9n\u011b \u0161kodliv\u00fdch l\u00e1tek<\/strong>, zaji\u0161t\u011bn\u00ed souladu s emisn\u00ed normy<\/strong> stanoven\u00e9 regula\u010dn\u00edmi org\u00e1ny, jako je Agentura pro ochranu \u017eivotn\u00edho prost\u0159ed\u00ed<\/strong>.<\/p>\n\n\n\n

          Co se stane, kdy\u017e p\u0159evodn\u00edk sel\u017ee?<\/h2>\n\n\n\n

          Pokud t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> ucpe se nebo sel\u017ee, m\u016f\u017eete si v\u0161imnout n\u011bkolika probl\u00e9m\u016f:<\/p>\n\n\n\n

            \n
          • Ten\/Ta\/To kontrolka motoru<\/strong> se zapne, \u010dasto spojeno s kysl\u00edkov\u00fd senzor<\/strong> \u010dten\u00ed.<\/li>\n\n\n\n
          • Sn\u00ed\u017een\u00e9 v\u00fdkon vozidla<\/strong> a v\u00fdkon motoru kv\u016fli omezen\u00e9mu plyn<\/strong> tok.<\/li>\n\n\n\n
          • Zv\u00fd\u0161en\u00e9 zne\u010di\u0161t\u011bn\u00ed ovzdu\u0161\u00ed<\/strong>, proto\u017ee \u0161kodliv\u00e9 plyny se ji\u017e nep\u0159em\u011b\u0148uj\u00ed na m\u00e9n\u011b \u0161kodliv\u00fdch l\u00e1tek<\/strong>.<\/li>\n\n\n\n
          • Siln\u00fd z\u00e1pach s\u00edry nebo shnil\u00fdch vajec z v\u00fdfukov\u00e9 plyny<\/strong>.<\/li>\n<\/ul>\n\n\n\n

            \u010cast\u00e9 d\u016fvody, pro\u010d po\u0161kodit katalyz\u00e1tor<\/strong> zahrnuj\u00ed pou\u017e\u00edv\u00e1n\u00ed olovnat\u00e9ho benzinu, vynech\u00e1v\u00e1n\u00ed zapalov\u00e1n\u00ed motoru nebo nadm\u011brn\u00e9 v\u00fdfukov\u00e9 plyny<\/strong> s p\u0159ebyte\u010dn\u00fd kysl\u00edk<\/strong> kter\u00e9 p\u0159eh\u0159\u00edvaj\u00ed m\u011bni\u010d.<\/p>\n\n\n\n

            \u00dadr\u017eba a v\u00fdm\u011bna<\/h2>\n\n\n\n

            Od t\u00e9 doby t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> je vystaven vysok\u00e9mu teplu a neust\u00e1l\u00e9mu v\u00fdfuk automobilu<\/strong>, postupn\u011b ztr\u00e1c\u00ed \u00fa\u010dinnost. Usazeniny mohou blokovat por\u00e9zn\u00ed keramick\u00fd substr\u00e1t a sni\u017eovat jeho schopnost zpracov\u00e1vat plyny.<\/p>\n\n\n\n

            Pokud k tomu dojde, budete muset nav\u0161t\u00edvit opravna<\/strong> bu\u010f k \u010di\u0161t\u011bn\u00ed, nebo k v\u00fdm\u011bn\u011b. V z\u00e1vislosti na va\u0161em vozidle si m\u016f\u017eete zvolit OEM<\/strong> p\u0159evodn\u00edk z automobilka<\/strong> (p\u0159\u00edsn\u00e9 sch\u016fzky feder\u00e1ln\u00ed katalyz\u00e1tor<\/strong> p\u0159edpisy) nebo aftermarket<\/strong> mo\u017enost, kter\u00e1 m\u016f\u017ee b\u00fdt levn\u011bj\u0161\u00ed, ale ne v\u017edy v souladu s p\u0159\u00edsn\u00fdmi emisn\u00ed po\u017eadavky<\/strong>.<\/p>\n\n\n\n

            Pro\u010d zlod\u011bji c\u00edl\u00ed na tuto sou\u010d\u00e1stku<\/h2>\n\n\n\n

            Bohu\u017eel, riziko kr\u00e1de\u017ee<\/strong> Cena katalyz\u00e1tor\u016f v posledn\u00edch letech prudce vzrostla. Zlod\u011bji<\/strong> vy\u0159a\u010fte je z vozidel, proto\u017ee kovy uvnit\u0159 konvertoru<\/strong>\u2014platina, palladium a rhodium<\/strong>\u2013 jsou velmi cenn\u00e9. Tyto cenn\u00e9 drah\u00e9 kovy<\/strong> maj\u00ed na trhu hodnotu tis\u00edc\u016f dolar\u016f, co\u017e z konvertor\u016f d\u011bl\u00e1 hlavn\u00ed c\u00edl.<\/p>\n\n\n\n

            Na pomoci p\u0159edch\u00e1zet kr\u00e1de\u017e\u00edm<\/strong>Mnoho majitel\u016f aut nyn\u00ed instaluje ochrann\u00e9 klece nebo \u0161t\u00edty kolem m\u011bni\u010de. Parkov\u00e1n\u00ed na dob\u0159e osv\u011btlen\u00fdch m\u00edstech a vyryt\u00ed s\u00e9riov\u00e9ho \u010d\u00edsla na jednotku m\u016f\u017ee tak\u00e9 odradit kr\u00e1de\u017ee konvertor\u016f<\/strong>.<\/p>\n\n\n\n

            Shrnut\u00ed: Kl\u00ed\u010dov\u00e9 v\u011bci, kter\u00e9 je t\u0159eba si pamatovat<\/h2>\n\n\n\n
              \n
            • Ten\/Ta\/To t\u0159\u00edcestn\u00fd katalyz\u00e1tor<\/strong> je nainstalov\u00e1n p\u0159ed v\u00fdfukov\u00fdm potrub\u00edm<\/strong>mezi p\u0159edn\u00ed a zadn\u00ed kysl\u00edkov\u00e9 senzory<\/strong>.<\/li>\n\n\n\n
            • Sed\u00ed hned za v\u00fdfukov\u00e9 potrub\u00ed<\/strong>, kde m\u016f\u017ee p\u0159ij\u00edmat hork\u00e9 v\u00fdfukov\u00e9 plyny<\/strong> p\u0159\u00edmo.<\/li>\n\n\n\n
            • P\u0159evodn\u00edk transformuje uhlovod\u00edk a oxid uhelnat\u00fd<\/strong> a oxid dus\u00edku<\/strong> do m\u00e9n\u011b \u0161kodliv\u00fdch l\u00e1tek<\/strong> jako oxid uhli\u010dit\u00fd a vodn\u00ed p\u00e1ra<\/strong>.<\/li>\n\n\n\n
            • Spr\u00e1vn\u00e9 um\u00edst\u011bn\u00ed zaji\u0161\u0165uje soulad s emisn\u00ed normy<\/strong> a efektivn\u00ed sn\u00ed\u017een\u00ed emise vozidel<\/strong>.<\/li>\n\n\n\n
            • Pokud p\u0159evodn\u00edk sel\u017ee, m\u016f\u017eete si v\u0161imnout kontrolka motoru<\/strong>, chud\u00fd v\u00fdkon vozidla<\/strong>, nebo neobvykl\u00e9 pachy.<\/li>\n\n\n\n
            • Vzhledem k cenn\u00e9 kovy<\/strong> uvnit\u0159, riziko kr\u00e1de\u017ee<\/strong> je vysok\u00e1, proto se d\u016frazn\u011b doporu\u010duj\u00ed ochrann\u00e1 opat\u0159en\u00ed.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

              Zjist\u011bte p\u0159esn\u00e9 um\u00edst\u011bn\u00ed t\u0159\u00edcestn\u00e9ho katalyz\u00e1toru, jak funguje ve v\u00fdfukov\u00e9m syst\u00e9mu a pro\u010d je nezbytn\u00fd pro sni\u017eov\u00e1n\u00ed \u0161kodliv\u00fdch emis\u00ed vozidel.<\/p>","protected":false},"author":1,"featured_media":4797,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[528,1026,34,32,482,26,1027],"class_list":["post-4792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-car-maintenance","tag-catalytic-converter-location","tag-emission-control","tag-exhaust-system","tag-oxygen-sensor","tag-three-way-catalytic-converter","tag-where-is-catalytic-converter"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/posts\/4792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/comments?post=4792"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/posts\/4792\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/media\/4797"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/media?parent=4792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/categories?post=4792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/cs\/wp-json\/wp\/v2\/tags?post=4792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}