Nnianim asɛm tiawa a ɛfa ngo pɔmpɛ ho .

Oil pump no yɛ pɔmpɛ a ɛyɛ hare na ɛyɛ ketewa, a ɛwɔ akuo mmiɛnsa: wɔ-line, distributed ne single-nipadua mu. Oil pump no hia ahoɔden fibea a ɛbɛma ayɛ adwuma, na camshaft a ɛwɔ ne fã a ɛwɔ fam no nam engine crankshaft gear no so na ɛkanyan no.
Oil pump no kyerɛ sɛ ngo pɔmpɛ bi a ɛwɔ dan a wɔde aluminium-a ɛwɔ nneɛma a ɛwɔ mu ne ɔfã a wɔanwene a wɔanwene no a wɔahyehyɛ wɔ dan no mu, a anyɛ yiye koraa no, ɔfã a wɔanwene no a wotumi fa mu no yɛ dade a wɔasen no fã bi{1}}based alloy material a anyɛ yiye koraa no, ɛwɔ austenite biako, ne baabi a wɔde nwene no fã a ɛyɛ ɔhyew no mu biako a wɔde afrafra no mu no ayɛ nea wɔde nwene ntrɛwmu a wɔatrɛw mu no mu biako a wɔatrɛw mu adan a wɔde ma.
Ade titiriw a ɛwɔ petrol a wɔde gu mu pɔmpɛ no mu ne plunger no. Sɛ wɔde syringe a wɔtaa de di dwuma wɔ ayaresabea no di dwuma sɛ mfatoho a, ɛnde wɔfrɛ plug a wotumi fa so no plunger, na wɔfrɛ syringe no plunger sleeve. Sɛ yɛfa no sɛ wɔde spring bi ahyɛ syringe no mu de agyina plunger no ano biako so, na plunger no awiei foforo no ne camshaft no di nkitaho, sɛ camshaft no dannan kurukuruwa biako a, plunger no bɛkɔ soro na akɔ fam pɛnkoro wɔ plunger sleeve no mu. Eyi ne ɔkwan titiriw a wɔfa so keka wɔn ho wɔ plunger a ɛwɔ petrol injection pump no mu.
Plunger ne plunger nsateaa no yɛ afã horow a ɛne no hyia pɛpɛɛpɛ. Groove bi a ɛkɔ fam wɔ plunger no so, na tokuru ketewaa bi a ɛwɔ plunger sleeve no so no yɛ nea wɔfrɛ no suction port. Diesel ahyɛ saa suction port yi ma. Sɛ plunger inclined groove no hwɛ suction port no a, diesel no hyɛn plunger sleeve no mu. Sɛ camshaft no pia plunger no kɔ soro pɔtee bi a, plunger inclined groove no hinhim wɔ suction port no mu, na wɔto suction port no mu, sɛnea ɛbɛyɛ a wɔrentumi nnom diesel no wɔ mu anaasɛ wɔmmia so. Sɛ plunger no kɔ so sɔre a, ɛmia diesel no so. Sɛ diesel nhyɛsoɔ no du baabi pɔtee bi a, ɛbɛpia abue baako-kwan valve no na ahopereɛ afiri adi akɔ petrol injection nozzle no mu, na afei akɔ cylinder combustion chamber no mu afiri petrol injection nozzle no mu. Bere biara a plunger no bɛtow diesel dodow bi no, ne fã bi pɛ na wɔde petepete cylinder no mu, na wɔde nea aka no fi ngo tokuru a wɔde san kɔ no mu, na wɔyɛ nsakrae wɔ injection dodow no mu denam ngo dodow a wɔde san ba a ɛkɔ soro anaasɛ ɛtew so no so. Sɛ plunger no kɔ soro kodu "upper point" na ɛkɔ fam a, plunger inclined groove no behyia suction port no bio, na wɔanom diesel no akɔ plunger sleeve no mu bio, na wɔasan ayɛ atifi hɔ adeyɛ no bio. Plunger systems kuw biara a ɛwɔ IN-LINE FUEL INFERTION pɔmpɛ no mu no ne cylinder biako hyia, na plunger nhyehyɛe akuw 4 na ɛwɔ hɔ ma cylinder 4, enti ne kɛse no yɛ kɛse, na wɔde di dwuma kɛse wɔ medium-sized ne akɛse mu. Sɛ nhwɛso no, diesel engine ahorow a ɛwɔ bɔs ne lɔre ahorow so no taa de di dwuma wɔ-line injection pumps mu.