Kodi valavu EGR?

anthu ochepa mukudziwa, koma chifukwa cha EGR angathe kuchepetsa galimoto mafuta, kusintha injini ntchito, matenda kugwira ntchito ndi kuchepetsa mlingo wa detonation lapansi. Pali dongosolo otere nthawi yaitali, ndipo pa nthawiyo amanena mwangwiro pa magalimoto onse. Ngakhale pa dziko "Cornfield" pali chipangizo.

N'chifukwa chiyani tiyenera lino?

Recirculation ya mpweya utsi chofunika kuti injini sanataye mphamvu yake kwa umuna wa zatsalira unburnt mafuta. Ndipo izi zimachitika motere. Ngati kutentha mu chipinda kuyaka pamodzi ndi mpweya, asafe anayamba kupanga okusayidi nitric. Mu injini mafuta O2 zofunika kuyaka nchito ya mafuta, ndi chifukwa amachepetsa chiwerengero cha asafe, madzi si kwathunthu combusted. Chifukwa, mafuta chabe panamveka mu chitoliro, umachuluka mafuta, ndipo izi amachepetsa ntchito ya injini kuyaka mkati. Valavu EGR akulola mafuta kunyeka lisanathe n'zotheka, kuti dekhetsa mphamvu ndi mafuta mowa mu galimoto.

Kodi vavu?

Polingalira za chimbale ang'ono ndi chubu amene olumikizidwa kwa zakudya zobwezedwa ndipo zaikidwa mutu yamphamvu. M'chigawo quiescent utsi mpweya recirculation vavu ( "Audi" kuphatikizapo) ndi chatsekedwa. Koma mwamsanga pamene kotunga injini mafuta zikachitika, izo actuated. mpweya zingalowe aumbike mwa posungira, amakakamiza kusuntha Kakhungu, ndipo nawonso, amatsegula vavu EGR.

mitundu

Panopa, pali mitundu ingapo ya zipangizo deta. Valavu EGR ndi umakaniko (iwonso ogaŵikana zosintha zisanu) ndi zipangizo (3 kumeneko kusinthidwa).

Akuchita chiyani?

limagwirira Ichi ndi chinsinsi zikuluzikulu za dongosolo recirculation. Iwo umabwereranso gawo zinthu kuwotchedwa mu zakudya zobwezedwa , ndipo amadzawasakaniza ndi mpweya. Yotsirizira, nayenso kumawonjezera kutentha kuyaka (chifukwa mpweya - O2). Choncho chongopeka kuchepetsa wokhutira ndi kuchepetsa mlingo wa kuyaka kumachitika mwa kusakaniza mafuta mpweya. Mpweya amachitira ndi asafe ndi chifukwa mlingo wa kutentha kuchepa, kumakhaladi kwambiri mu mafuta chipinda yoyaka kwathunthu.

Komanso utsi mpweya recirculation vavu (BMW kuphatikizapo) zayamba kumachepetsa ikukoka imfa, monga pali dontho amphamvu kukakamiza fulumizitsa. Low kuyaka kutentha kumachepetsa mlingo wa detonation, umene uli mwayi waukulu kuti galimoto ya (palibe zomvetsa makokedwe). Pankhani makhazikitsidwe dizilo pano EGR vavu normalizes "mwakhama" ntchito ya galimoto pa osagwira: chifukwa cha adatchithisira kutentha kuyaka amachepetsa kuthamanga mu chipinda, choncho pali Phokoso amphamvu.