Iyini isembozo segumbi le-valve yemoto?
Isembozo segumbi le-valve sixhunywe kakhulu nesembozo sesilinda senjini, i-camshaft ifakwe ngaphansi kwesembozo segumbi le-valve, kanti ezinye zezesekeli zendlela yokungenisa ekhanda lesilinda zivaliwe ukuqinisekisa ukusebenza okuvamile kwendlela yokushayela i-valve yenjini kanye nokugcotshwa, ukuvikelwa, ukuvalwa kothuli kanye nazo zonke izingxenye zenjini zakha indawo evaliwe ukuqinisekisa indawo enhle yokusebenza yezingxenye zangaphakathi zenjini. Nansi imiphumela yesembozo segumbi le-valve esiphukile:
1. Okuthinta ukugcotshwa kwemoto, uwoyela ophuma ekhava legumbi le-valve uzoholela ekugcotshweni okunganele kwegumbi le-valve, okuzobangela ukuguguleka nokudabuka kwezingxenye zenjini isikhathi eside;
2, kuthinta ukuqina komoya wenjini, ukuvuza kukawoyela kuzovuza nengcindezi yokusebenza kwenjini yokuqala, injini inevalvu yokujikeleza kabusha kwegesi yokukhipha exhunywe ne-throttle, ukuvuza kuzothinta ukuzinza kwenjini;
3, uma injini ingcolile, futhi ibangele ngisho nomlilo, ukuvuza kwamafutha kuzogeleza enjinini, kuhlanganiswe nothuli ukuze kwakheke udaka, uma uhlangana nomlilo ovulekile kuzoyithungela injini, okuyingozi kakhulu.
Yenziwe ngani ivalvu yenjini?
Amavalvu enjini enziwe ngensimbi ye-aluminium ne-alloy. Ivalvu yakhiwe ngekhanda le-valve kanye nengxenye yenduku; Ivalvu yokungenisa ngokuvamile yenziwe ngensimbi ye-alloy efana nensimbi ye-chromium, insimbi ye-nickel-chromium, kanti ivalvu yokukhipha umoya yenziwe nge-alloy engamelani nokushisa efana nensimbi ye-silicon chromium; Ngezinye izikhathi ukuze kongiwe i-alloy engamelani nokushisa, ikhanda le-valve yokukhipha umoya ene-alloy engamelani nokushisa, kanye nenduku enensimbi ye-chromium.
Ingabe kuyadingeka ukulungisa ukuvuza kwamafutha kwephedi yokumboza i-valve chamber?
Kuyadingeka ukulungisa ukuvuza kukawoyela kwephedi yokumboza ikamelo le-valve. Ukuvuza kukawoyela kuzoholela ekuqineni komoya kwenjini, kuthinte ukusebenza okuvamile kwenjini, futhi kuholele nasekuqhekekeni kwenjini ezimweni ezimbi kakhulu. Izimbangela zokuvuza kukawoyela zingafaka phakathi ukuguga kwama-gasket okumboza ikamelo le-valve, ukulahlekelwa amandla okuvala, kanye nokucindezela okukhulu kwenjini ngenxa yokuvaleka kwe-valve ye-PCV ohlelweni lokungenisa umoya lwe-crankcase. Isixazululo ngokuvamile ukufaka esikhundleni sephedi yokumboza ikamelo le-valve. Uma kutholakala ukuvuza kukawoyela, kufanele kusingathwe ngesikhathi ukuze kugwenywe ukwenza inkinga yokuvuza kukawoyela ibe nkulu, kuvikelwe injini, futhi kwandiswe impilo yenkonzo yemoto.
Uyini umsebenzi we-check valve esembozweni segumbi le-valve semoto?
Khuthaza ukuphefumula okuphoqelelwe kwe-crankcase
I-valve yokuhlola esembozweni segumbi le-valve yemoto, evame ukubizwa ngokuthi i-valve ye-PCV, indima yayo eyinhloko ukukhuthaza ukuphefumula okuphoqelelwe kwe-crankcase. Lo msebenzi wethula igesi ese-crankcase epayipini lokungenisa injini, ukuze la magesi ashiswe futhi esilinda, ngaleyo ndlela kugwenywe ukukhishwa okuqondile kwamagesi okukhipha umoya, kusize ekuvikeleni imvelo futhi kuncishiswe ukungcola emoyeni. Ngaphezu kwalokho, i-valve ye-PCV iyasiza futhi ukugcina ingcindezi ese-crankcase ingaphansi kwengcindezi yomoya, okusiza ukunciphisa ukuvuza kukawoyela wenjini nokwandisa impilo yenjini. Ngokuvamile, lolu hlobo lwe-valve yokuhlola ludlala indima ebalulekile ohlelweni lwenjini yezimoto, oluhambisana nokuvikelwa kwemvelo futhi lunegalelo ekusebenzeni okuzinzile kwesikhathi eside kwenjini.
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