Ihe nzacha mmanụ engine bụ ihe nzacha mmanụ mmanụ. Ọrụ nke nzacha mmanụ injin bụ ịchacha ihe dị iche iche, colloid na mmiri dị n'ime mmanụ injin wee bute mmanụ injin dị ọcha n'akụkụ niile na-ete mmanụ.
Iji belata esemokwu na-eguzogide n'etiti ikwu na-akpụ akpụ akụkụ na engine na ibelata eyi nke akụkụ, mmanụ na-aga n'ihu ebuga na esemokwu n'elu nke ọ bụla na-akpụ akpụ akụkụ na-etolite a lubricating mmanụ ihe nkiri maka lubrication. Mmanụ engine n'onwe ya nwere ụfọdụ chịngọm, adịghị ọcha, mmiri na ihe mgbakwunye. N'otu oge ahụ, n'oge a na-arụ ọrụ nke engine, iwebata metal yi irighiri ihe, ntinye nke sundries na ikuku na ọgbọ nke mmanụ oxides ji nwayọọ nwayọọ na-amụba sundries na mmanụ. Ọ bụrụ na mmanụ na-adịghị nzacha na ozugbo banye lubricating mmanụ sekit, sundries ẹdude ke mmanụ ga-ada n'ime esemokwu n'elu nke na-akpụ akpụ ụzọ, accelerating eyi nke akụkụ na ibelata ọrụ ndụ nke engine.
N'ihi nnukwu viscosity nke mmanụ engine n'onwe ya na ọdịnaya dị elu nke adịghị ọcha na mmanụ engine, iji meziwanye arụmọrụ nzacha, ihe nzacha mmanụ engine na-enwekarị ọkwa atọ: onye na-anakọta mmanụ engine, mmanụ isi mmanụ engine na mmanụ mmanụ nke abụọ. nyo. A na-etinye onye na-anakọta ihe nzacha n'ime ite mmanụ dị n'ihu mgbapụta mmanụ ma na-anabatakarị ụdị ihuenyo nzacha ígwè. A na-etinye ihe nzacha mmanụ bụ isi n'azụ mgbapụta mmanụ ma jikọta ya na usoro mmanụ isi. Ọ na-agụnyekarị scraper metal, sawdust filter element na microporous filter. Ugbu a, a na-ejikarị akwụkwọ nzacha microporous. A na-etinye ihe nzacha mmanụ dị mma n'azụ mgbapụta mmanụ wee jikọta ya na isi ụzọ mmanụ, ọkachasị gụnyere ụdị mpempe akwụkwọ microporous na ụdị rotor. Ihe nzacha mmanụ dị mma nke ụdị rotor na-anabata filtration centrifugal na-enweghị ihe nzacha, nke na-edozi esemokwu dị n'etiti ụzọ mmanụ na arụmọrụ filtration.
