iinkxenzo zemoto yepetrol
Injini kaphethiloli yakhiwa izingxenye eziningana ezibalulekile ezisebenza ngokubambisana ukuze kuguqulwe uphethiloli ube amandla omshini. Izakhi eziyinhloko zihlanganisa ibhulokhi yenjini, esebenza njengesakhiwo esiyinhloko sokwakha, equkethe amasilinda lapho kwenzeka khona ukushiswa. Ama-piston, axhumene ne-crankshaft ngezinsimbi zokuxhuma, aya phezulu naphansi kulezi zithutha. Inhloko yesilinda, efakwe phezulu kwebhulokhi lenjini, igcina ama-valve, iziphethu zama-valve, ne-camshaft, elawula ukungena kwengxube kaphethiloli nomoya nokukhululwa kwegesi yokuphuma. I-crankshaft iguqula ukunyakaza kwama-piston kube ukunyakaza okujikelezayo, kuyilapho i-flywheel igcina injini isebenza kahle. Uhlelo lokufaka uphethiloli luletha uphethiloli ngqo emakamelweni okucima umlilo, kuyilapho uhlelo lokucisha, kuhlanganise nama-spark plugs, luqala inqubo yokucima umlilo. Uhlelo lokupholisa, oluhlanganisa i-radiator, ipompo yamanzi nezindawo zokupholisa, luvimbela ukufudumala ngokweqile. Uhlelo lokuthambisa luqinisekisa ukuthi zonke izingxenye ezihambayo zithola amafutha afanele, okunciphisa ukuchoboza nokugqoka. Lezi zingxenye zisebenza ndawonye ngomjikelezo wezikhathi ezine: ukudonsa, ukucindezela, amandla, nokukhishwa, okwenza kube nokwenzeka ukukhiqiza amandla ngendlela ephumelelayo ukuze kusetshenziswe izinto ezihlukahlukene, kusukela ezimotweni zabantu kuya emishinini yezimboni.