N55 engine - ozi kachasị mkpa gbasara igwe
Ihe
Injin N55 ọhụrụ ahụ bụ igwe ejima petrol mbụ nke BMW nwere Valvetronics yana ntụtụ mmanụ ọkụ. Gụọ gbasara teknụzụ BMW na nkọwa N55.
N55 engine - gịnị bụ imewe nke unit?
Mgbe ị na-emepụta ihe eji arụ ọrụ mmanụ ụgbọ ala N55, e kpebiri iji camshaft abụọ dị n'elu - ihe na-emeghe na lamellar - nke nwere crankcase aluminum nke dị n'akụkụ engine ahụ. A na-eji ígwè nkedo mee crankshaft na isi cylinder bụ nke aluminom. Nhazi ahụ na-agụnyekwa valves oriri na dayameta nke 32,0 mm. N'aka nke ya, valvụ oriri na-ejupụta na sodium.
N55 na-eji turbocharger akwụkwọ mpịakọta ejima. Ejiri skru abụọ dị iche iche rụọ ya nke na-eduga ikuku ikuku na turbine. Dị ka e kwuru na mbụ, ngwakọta nke turbocharging na mmanụ ọkụ ozugbo na Valvetronic bụkwa ihe ọhụrụ na N55.
Kedu ka usoro Valvetronic si arụ ọrụ
Valvetronic bụ otu n'ime teknụzụ kachasị ọhụrụ nke BMW ji. Nke a bụ ebuli valvụ oriri na-enweghị ngwụcha, na ojiji ya na-ewepụ mkpa ọ dị ịwụnye trotul.
Nkà na ụzụ na-achịkwa oke ikuku a na-enye maka combustion na unit mbanye. Ngwakọta nke sistemu atọ ahụ (turbo, injection mmanụ kpọmkwem na Valvetronic) na-ebute njirimara combustion ka mma yana nzaghachi nke injin dị mma ma e jiri ya tụnyere N54.
Ọdịiche nke BMW N55 powertrain
The isi engine bụ N55B30M0, nke malitere mmepụta na 2009.
- Ike ya bụ 306 hp. 5-800 rpm;
- Oke ike bụ 400 Nm na 1-200 rpm.
- E tinyere draịva ahụ na ụgbọ ala BMW nwere ndeksi 35i.
N55 igwe
Ụdị igwe turbocharged ọhụrụ bụ N55. Nkesa na-amalite kemgbe 2010, na ụdị emelitere na-enye 320 hp. na 5-800 rpm. na 6 Nm nke torque na 000-450 rpm. Onye nrụpụta ahụ jiri ya mee ihe n'ụdị nwere index 1i na 300i.
Nhọrọ N55B30O0 na N55HP
Ahịa nke N55B30O0 malitere na 2011. Nke a dịgasị iche iche bụ ihe analọg nke N55, na teknuzu paramita bụ ndị a:
- ike 326 hp na 5-800 rpm;
- 450 Nm nke torque na 1-300 rpm.
Awụnyere injin ahụ na ụdị nwere ndeksi nke 35i.
Nhọrọ ọzọ, nke malitere mmepụta na 2011, bụ N55HP. O nwere nhọrọ ndị a:
- ike 340 hp na 5-800 rpm. na 6 Nm nke torque na 000-450 rpm. (oke ike 1Nm).
A na-eji ya na ụdị BMW nwere akara 35i.
Ngalaba ahụ dịkwa na ụdị egwuregwu (njin S55 nwere ihe ruru 500 hp). Ọ bara uru ịkọwa na ụdị kachasị ike nke M4 GTS jiri ntụtụ mmiri mee ihe.
Design iche n'etiti BMW N54 na N55
N'ikwu maka N55, mmadụ enweghị ike ịghara ịkọ aha onye bu ya ụzọ, ya bụ. nkeji N54. Enwere ọtụtụ myirịta dị n'etiti ụdị ahụ, dịka njirimara ndị a kpọtụrụ aha na mbụ, ma e wezụga nkedo crankshaft nke nkedo, nke dị kilogram 3 dị ọkụ karịa nke ejiri na N54.
Na mgbakwunye, injin N55 na-eji naanị otu turbocharger, karịa abụọ dị ka ọ dị na N54B30. Na mgbakwunye, na N54, nke ọ bụla n'ime 3 cylinders bụ maka otu turbocharger. N'aka nke ya, na N55, cylinders na-ahụ maka otu n'ime ikpuru abụọ na-ebu ihe a. N'ihi nke a, nhazi nke turbocharger dị ọkụ site na 4 n'arọ ma e jiri ya tụnyere nke ochie nke unit ahụ.
BMW engine arụ ọrụ. Olee nsogbu na-ebilite mgbe eji?
Iji engine BMW N55 ọhụrụ nwere ike ịkpata nsogbu ụfọdụ. Otu n'ime ihe a na-ahụkarị bụ ịba ụba mmanụ. Nke a bụ isi n'ihi valvụ ikuku ikuku crankcase. Ya mere, ọ bara uru ịlele ọnọdụ teknụzụ nke akụrụngwa a mgbe niile.
Mgbe ụfọdụ, enwekwara nsogbu na ịmalite ụgbọ ala. Ihe na-akpatakarị ya bụ usoro ebuli hydraulic ọkụ. Mgbe ịlele ọnọdụ teknụzụ nke akụkụ ahụ, jiri mmanụ engine dị elu.
Kedu ihe ị chọrọ ịma gbasara ọrụ nke unit ahụ?
I kwesịkwara icheta ịgbanwe injectors mmanụ ụgbọala gị mgbe niile. Ha kwesịrị ịrụ ọrụ ihe dịka 80 km n'enweghị nsogbu. Ọ bụrụ na a na-ahụ oge ngbanwe, ọrụ ha agaghị ebute nsogbu metụtara oke mkpọtụ engine.
N'ụzọ dị mwute, N55 ka nwere nsogbu na-akpasu iwe na mgbapụta mmanụ ọkụ dị elu.
Ị maralarị nkọwapụta nke ụdị BMW otu onye. Igwe N55, n'agbanyeghị ụfọdụ adịghị ike, enwere ike ịkọwa dị ka a pụrụ ịdabere na ya na nke na-adịgide adịgide. Nlekọta anya na nlezianya anya na ozi ga-enye gị ohere iji ya ogologo oge.
Foto. isi: Michael Sheehan site na Flickr, CC BY 2.0
