Igwe BMW N46B18
The ọdụdụ version nke N46 akara nke ike nkeji - N46B18, e kere na ndabere nke N46B20 na-emepụta ebe ọ bụ na 2004, na naanị maka BMW E46 316 ụgbọala. N'etiti 2006, n'ihe banyere mmeghe nke BMW E90. E wepụrụ ụdị E46 niile kpamkpam na ahịrị mgbakọ ahụ, mana injin a enwetabeghị nkesa oke.
Emebere N46B18 ka ọ bụrụ nnọchi maka onye bu ya ụzọ, N42B18, wee nata crankshaft gbanwetụrụ, ogwe nguzozi agbanwe agbanwe na mkpanaka njikọ, yana ndị dị iche kpamkpam: mkpuchi isi cylinder na ihe nrụnye oge. Ejiri N46B18 nwere (ọhụrụ): ọtụtụ ihe oriri, generator na spark plọg.
N'adịghị ka ọkọlọtọ N46, ya 1.8-liter mgbanwe nwere: a crankshaft nke natara a mkpụmkpụ strok (81 mm); pistons nwere oke mkpakọ nke 10.2; onye nchịkọta nkịtị - enweghị DISA. Ejirila Valvetronic n'ime sistemụ Bosch ME 9.2.
Ụlọ ọrụ ike N46B18, dị ka ụdị 2-liter ya, nwere ọtụtụ ụdị yiri ya emepụtara na ihe fọrọ nke nta ka ọ bụrụ otu ntọala ahụ.
Na 2011, N46B18, dị ka ndị ọzọ na-line mmanụ ụgbọala "anọ" si BMW, dochie ọhụrụ turbocharged engine N13B16, nke na-emepụta dị iche iche mgbanwe ruo taa.
Isi njirimara nke BMW N46B18
| Mpịakọta, cm3 | 1796 |
|---|---|
| Ike kachasị, hp | 116 |
| Oke kacha, Nm (kgm)/rpm | 175 (18) / 3750 |
| Oriri, l / 100 km | 7.8 |
| Ụdị | Inline, 4-cylinder, injector |
| Sịlịnda dayameta, mm | 84 |
| Ike kachasị, hp (kW)/r/min | 116 (85) / 5500 |
| Oke mkpakọ | 10.2 |
| Piston strok, mm | 81 |
| Ụdị | 316i E46 |
| Akụrụngwa, n'èzí. km | 250 + |
Ntụkwasị obi na adịghị ike nke N46B18
Плюсы
- Oriri manifold
- Mkpọpu camshaft
- Gbanwee ike
Cons:
- Mmụba oriri mmanụ na ntapu
- Mkpọtụ igwe, ịma jijiji
- Nsogbu na Valvetronic, mgbapụta mmanụ, KVKG na mgbapụta mgbapụta
Isi ihe kpatara ọdịdị mmanụ na-ere ọkụ na N46B18, dịka na engine nke 42, bụ iji mmanụ moto dị ala. Nsogbu a nwekwara ike ịbụ n'ihi akara valvụ dara ada.
Nke a na-emekarị mgbe njem nke 50-100 puku kilomita. Mmanụ nke onye nrụpụta anaghị akwado nwere ike ibute nsogbu ndị ọzọ. Dịka ọmụmaatụ, na otu Valvetronic, mgbapụta mmanụ, crankcase ventilashion valve na ihe ndị ọzọ. N'okwu a, ọ bụ ezie na ọ dịghị mkpa ịzọpụta na mmezi.
Ọzọkwa, mgbe a agbara nke 50 puku km, na cylinder isi gasket na agụụ mgbapụta ga-yikarịrị mkpa dochie.
Ihe na-akpata ịma jijiji na mkpọtụ injin na-ekwekọghị n'okike na-adaberekarị n'ihe na-agbatị oge ma ọ bụ yinye gbatịrị agbatị. Mgbe njem nke 100-150 puku kilomita, nsogbu ndị dị otú ahụ abụghị ihe ọhụrụ.
Iji belata ohere nke nsogbu engine, ọ bụ ihe amamihe dị na ya ịgbanwe mmanụ n'oge, ma ọ bụ ọbụna karị, nke kwesịrị ịbụ nke mbụ ma kwadoro ya site n'aka onye nrụpụta. Tụkwasị na nke ahụ, ọ dị mkpa iji mmanụ ụgbọala dị mma ma na-arụ ọrụ n'oge.
Ntughari ikike
Dị nnọọ ka ndị ọzọ 4-cylinder ime combustion engines nwere obere olu, N46B18 dị mma maka swapping, ma ọ bụ kpam kpam ekwesighi maka ntughari na nanị ụzọ zuru oke iji mụbaa ike na ya ikpe ga-mgba n'iji ya gee ntị. O yikarịrị, ụlọ ọrụ nlegharị anya ga-etinye ihe nzacha na-eguzogide efu, nke a ga-ebute n'ihu bompa, bechapụ ihe na-akpali akpali ma megharịa usoro ahụ kpamkpam. Ihe a niile ga - enyere gị aka ịbawanye ike ma nweta +10 hp. Maka ihe buru ibu, ị ga-etinye engine 6-cylinder.
