INJIN SAUKI HUDU
Injin zagayowar bugun jini guda huɗu yana haɓaka bugun wuta ɗaya ga kowane huɗu
motsi na piston (biyu sama da biyu ƙasa).Wannan nau'in na iya zama kamar
zama ɓarna na motsi da sassa, don yana buƙatar ƙarin sassa masu yawa.
Koyaya, yana da fa'idodi da yawa, musamman a cikin manyan injuna inda
m ba shi da wani muhimmin al'amari.
Injin bugun bugun jini guda hudu ba shi da redo, da cakuda man iska
baya wucewa ta cikin crankcase.Madadin haka, akwai bawuloli guda biyu, kamar a cikin
ll, wanda yake buɗewa kuma yana rufe wani sashi daga carburetor, wani kuma
yana buɗewa da rufe hanyar zuwa tsarin shaye-shaye.Ana sarrafa bawuloli
ta camshaft, wani shaft tare da lobes masu siffar hawaye waɗanda ke tura bawuloli
bude, kuma a lokutan da suka dace, ba da damar maɓuɓɓugan ruwa su rufe su.A camshaft
yana da kaya a ƙarshen ɗaya, wanda ke haɗawa da kaya akan crankshaft.The
kaya a kan camshaft yana da hakora sau biyu fiye da kayan aikin crankshaft, don haka
cewa ga kowane cikakken juyi na crankshaft, camshaft yana juya
180 digiri.Wannan yana nufin cewa kowane bawul yana buɗewa da rufewa sau ɗaya kawai lokacin
juyi biyu na crankshaft, wanda shine ainihin abin da ake buƙata don a
sake zagayowar bugun jini hudu.
The bawuloli a cikin hankula hudu-bugun jini lawn yanka ko dusar ƙanƙara hura en
gine suna cikin block.Wannan ƙirar mota ce ta tsufa, amma
yana da kyau ga masu yankan yanka da busa.Akwai 'yan masu bugun jini huɗu
tare da bawuloli a cikin shugaban silinda, sanannen ƙirar kera, wanda aka nuna a ciki
l-4.A wannan yanayin 'camshaft lobes suna turawa a kan doguwar sanda, wanda ake kira turakar.
wanda ke haifar da wani yanki mai kama da gani mai suna rocker arm.
Lokacin aikawa: Yuli-14-2023