Yintoni isigqubuthelo sendawo yevalvu yemoto?
Isigqubuthelo segumbi levalve sidityaniswa ikakhulu nesigqubuthelo sesilinda se-injini, icamshaft ifakwe ngaphantsi kwesigqubuthelo segumbi levalve, kwaye ezinye zezixhobo zokungena kwintloko yesilinda zitywinwe ukuqinisekisa ukusebenza okuqhelekileyo kwendlela yokuqhuba ivalve ye-injini kunye nokuthambisa, ukhuseleko, itywina lothuli kunye nazo zonke iinxalenye ze-injini zenza indawo evaliweyo ukuze kuqinisekiswe indawo yokusebenza efanelekileyo yeendawo zangaphakathi ze-injini. Nazi iziphumo zesigqubuthelo segumbi levalvu elaphukileyo:
1. Okuchaphazela ukuthanjiswa kwesithuthi, ukuvuza kwe-oyile ngaphandle kwesigqubuthelo segumbi levalvu kuya kukhokelela ekungathanjiswani ngokwaneleyo kwegumbi levalvu, okuya kubangela ukuguga nokukrazuka kwamalungu enjini ixesha elide;
I-2, ichaphazela ukuqina komoya we-injini, ukuvuza kweoyile kuya kuvuza uxinzelelo olusebenzayo lwenjini yokuqalisa, i-injini ine-valve yokukhupha igesi ephumayo edityaniswe ne-throttle, ukuvuza kuya kuchaphazela uzinzo lwe-injini;
I-3, ibangele i-injini engcolileyo, kwaye ibangele umlilo, ukuvuza kweoli kuya kuhamba ecaleni kwe-injini, idityaniswe nothuli ukwenza i-sludge, ukuba udibana nomlilo ovulekileyo uya kuvutha i-injini, eyingozi kakhulu.
Yenziwe ngantoni ivalve yenjini?
Iivalve ze-injini zenziwe nge-aluminium kunye nentsimbi ye-alloy. Ivalve yenziwe yintloko yevalve kunye nenxalenye yentonga; Ivalve yokungena ngokuqhelekileyo yenziwe ngentsimbi ye-alloy efana nentsimbi ye-chromium, intsimbi ye-nickel-chromium, kunye nevalve yokukhupha yenziwe nge-alloy ekwazi ukumelana nobushushu njenge-silicon chromium steel; Ngamanye amaxesha ukuze kugcinwe i-alloy ekwazi ukumelana nobushushu, khupha intloko yevalve nge-alloy ekwazi ukumelana nobushushu, kunye nentonga ngentsimbi yechromium.
Ngaba kuyimfuneko ukulungisa ukuvuza kwe-oyile ye-valve yesigqubuthelo segumbi?
Kuyimfuneko ukulungisa i-oyile ye-oyile ye-valve ye-cover cover pad. Ukuvuza kwe-oyile kuya kukhokelela ekubambeni komoya okulambathayo kwe-injini, kuchaphazele ukusebenza okuqhelekileyo kwe-injini, kwaye kude kukhokhelele ekulahlekeni kwe-injini kwiimeko ezimandundu. Izinto ezibangela ukuphuma kwe-oyile zisenokuquka ukuguga kweegaskiti zegumbi levalve, ukulahleka komthamo wokutywina, kunye noxinzelelo olugqithisileyo lwe-injini ngenxa yokuvaleka kwevalvu ye-PCV kwinkqubo yokuphefumla ye-crankcase. Isisombululo ngokuqhelekileyo kukutshintsha indawo yesigqubuthelo segumbi levalve. Ukuba ukuvuza kwe-oyile kufunyenwe, kufuneka kusingathwe kwangethuba ukuthintela ukwenza mandundu ingxaki yokuvuza kwe-oyile, ukukhusela injini, kunye nokwandisa ubomi benkonzo yemoto.
Yintoni umsebenzi wevalve yokukhangela kwikhava yegumbi levalvu yemoto?
Ukukhuthaza ukungena komoya ngenkani kwikhrankcase
Ivalve yokukhangela kwisigqubuthelo segumbi levalve yemoto, edla ngokubizwa ngokuba yivalve ye-PCV, indima yayo ephambili kukukhuthaza ukungena komoya ngenkani kwekhrankcase. Lo msebenzi wazisa irhasi kwi-crankcase kumbhobho wokuthatha i-injini, ukuze ezi gesi ziphinde zitshiswe kwi-cylinder, ngaloo ndlela zithintela ukukhutshwa kweegesi eziphuma ngqo, kunceda ukukhusela okusingqongileyo kunye nokunciphisa ukungcola emoyeni. Ukongeza, i-valve ye-PCV ikwanceda ukugcina uxinzelelo kwi-crankcase ngaphantsi koxinzelelo lwe-atmospheric, enceda ukunciphisa ukuvuza kwe-oyile ye-injini kunye nokunyusa ubomi be-injini. Ngokubanzi, olu hlobo lwe-valve yokukhangela ludlala indima ebalulekileyo kwinkqubo ye-injini yeemoto, ehambelana nokukhuselwa kwendalo kwaye igalelo ekusebenzeni okuzinzile kwexesha elide le-injini.
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