IzimotoIzimoto

Kanjani valve EGR?

Bambalwa abantu bazi, kodwa sibonga EGR kungaba kakhulu ukunciphisa imoto petrol, ngcono injini ukusebenza, kujwayeleke ukusebenza kwawo nokwehlisa izinga detonation. Kukhona uhlelo esinjalo isikhathi eside, futhi okwamanje isetshenziswa kahle kuzo zonke izimoto. Ngisho on the kazwelonke "Cornfield" kukhona leli thuluzi.

Kungani sidinga lesi simiso?

Recirculation of qeda amagesi kuyadingeka ukuze injini ilahlekelwe hhayi namandla alo ekushayweni unburnt fuel izinsalela. Futhi lokhu kwenzeka kanje. Uma izinga lokushisa ekamelweni omlilo kanye nomoya-mpilo, i-nitrogen izinhlamvu ziqala ukwakheka oxide nitric. Ngo injini uphethiloli O2 kwadingeka kwezinhlelo omlilo kahle uphethiloli, futhi ngoba kunciphisa inani nitrogen, uketshezi hhayi combusted ngokuphelele. Ngenxa yalokho, uphethiloli umane asakazeka ipayipi, petrol inyuka, futhi lokhu kunciphisa ukusebenza kohlelo yangaphakathi omlilo engine. I EGR umphini ivumela fuel zishe ngaphambi kokuphela kungenzeka, ukuze kwesejwayelekile amandla petrol kule moto.

Kuyini valve?

Uma sicabangela idiski encane nge tube okuyinto ixhunywe ezininginingi isibalo sabahlengikazi abaqeqeshwayo futhi unamathele ekhanda isilinda. In the state quiescent le qeda gas recirculation umphini ( "Audi" kuhlanganise) kuyinto avaliwe. Kodwa ngokushesha nje supply injini fuel kwenzeka, it is actuated. air cleaner kwakheka kwesigubhu, iphoqa ukuhambisa ulwelwesi, futhi, esikhundleni salokho, kuvula EGR valve.

zinhlobo

Okwamanje, kunezinhlobo eziningana amadivayisi idatha. Valve EGR kuyinto athutha (bazabela ihlukaniswe ukulungiswa emihlanu) kanye electronic (3 khona ukuguqulwa).

Yini Wayenzani?

Le ndlela yokwenza kuyinto iBombela uhlelo recirculation. Libuyela emuva ingxenye izinto wokushiswa e le ezininginingi eyanele futhi Ihlangana nabo emoyeni. Lesi sakamuva, kube sekwandisa izinga lokushisa amandla omlilo (ngenxa umoya - O2). Ngakho, ngo-eyayenziwe ekunciphiseni nokuqukethwe kwalo wokwehla ngezinga amandla omlilo kwenzeka ingxube uphethiloli emoyeni. Oxygen ihlangana nitrogen, futhi ngenxa degree of lokushisa ukwehla, kuba ngakho kule uphethiloli ekamelweni ubashisa ngokuphelele.

Ngaphezu kwalokho, valve qeda gas recirculation (BMW kuhlanganise) kakhulu kunciphisa uzotshala ukulahlekelwa, njengoba kukhona ukwehla oluqine kangaka ingcindezi mpintsha. Okuphansi omlilo lokushisa kunciphisa lizinga detonation, okuyinto inzuzo enkulu for motor (akukho ukulahleka torque engu). Ngokuphathelene udizili ukufaka lapha EGR umphini normalizes ukusebenza "kanzima" we motor ngesikhathi engenzi lutho: sibonga amandla omlilo lokushisa kwehlisa kunciphisa ingcindezi ekamelweni, ngakho kukhona kunyakaza eqinile.

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