Kedu ihe bụ strok anọ nke injin strok anọ?

Kedu ihe bụ strok anọ nke injin strok anọ?

Injin okirikiri strok anọbụ igwe mgba ọkụ dị n'ime nke na-eji strok piston anọ dị iche iche (ihe oriri, mkpakọ, ike na iyuzucha) iji mechaa okirikiri ọrụ. Piston na-emecha strok abụọ zuru oke na cylinder iji mezue okirikiri ọrụ. Otu okirikiri ọrụ chọrọ ka crankshaft tụgharịa ugboro abụọ, ya bụ, 720°.

Injin okirikiri anọ nwere ọrịa strok bụ ụdị obere injin a na-ahụkarị. Injin nwere strok anọ na-emecha strok ise n'otu okirikiri ọrụ, gụnyere ọrịa strok oriri, strok mkpakọ, strok mgbanye, strok ike na iyuzucha strok.

Inweta ọrịa strok

Ihe omume oriri na-ezo aka n'oge a na-ebute ngwakọta ikuku-mmanụ iji jupụta ụlọ ọkụ. Ihe omume oriri na-eme mgbe piston si na etiti nwụrụ anwụ gaa na etiti nwụrụ anwụ na valvụ oriri na-emepe. Ntugharị nke piston n'ebe etiti nwụrụ anwụ na-emepụta nrụgide dị ala na cylinder. Nrụgide ikuku ikuku na-amanye ngwakọta ikuku-mmanụ n'ime cylinder site na valvụ nnabata mepere emepe iji mejupụta mpaghara nrụgide dị ala nke mmegharị piston mepụtara. Silinda na-aga n'ihu na-ejupụta ntakịrị karịa etiti nwụrụ anwụ ka ngwakọta ikuku na-aga n'ihu na inertia nke ya na piston na-amalite ịgbanwe ụzọ. Mgbe BDC gasịrị, valvụ oriri na-anọgide na-emeghe maka ogo ole na ole nke ntụgharị crankshaft. Na-adabere na nhazi engine. A na-emechi valvụ ihe oriri ma mechie ngwakọta ikuku-mmanụ n'ime cylinder.

Ọrịa strok nke mkpakọ bụ oge ngwakọta ikuku-mmanụ ahụ tọrọ n'ime cylinder. A na-emechi ụlọ ọkụ ahụ iji mepụta ụgwọ. Charge bụ olu ngwakọta ikuku-mmanụ abịakọrọ n'ime ụlọ ọkụ dị njikere maka mgbanye. Ịkọkọ ngwakọta ikuku-mmanụ ọkụ na-ewepụta ike karịa n'oge mgbanye. A ghaghị imechi valvụ oriri na iyuzucha iji hụ na a na-emechi cylinder ahụ iji nye mkpakọ. Mkpakọ bụ usoro nke ibelata ma ọ bụ ịgbanye ụgwọ n'ime ụlọ ọkụ ọkụ site na nnukwu olu gaa na obere olu. Ụgbọ elu na-efe efe na-enyere aka ịnọgide na-enwe ike dị mkpa iji mezie ụgwọ ahụ.

Mgbe piston nke engine na-agbanye ụgwọ ahụ, mmụba nke ike mkpakọ nyere site na ọrụ nke piston na-arụ na-arụpụta ọgbọ nke okpomọkụ. Mkpakọ na ikpo ọkụ nke ikuku-ọkụ ọkụ na ụgwọ ahụ na-eme ka okpomọkụ dị elu na ọkụ ọkụ ọkụ. Mmụba nke okpomọkụ na-apụta n'otu n'otu n'ime ọnụ ụlọ combustion iji mepụta ọkụ ọkụ ngwa ngwa (oxidation mmanụ) mgbe ịgbanyechara ya.

Vaporization mmanụ na-abawanye mgbe obere ụmụ irighiri mmiri na-eku ọkụ kpamkpam n'ihi okpomọkụ a na-emepụta. Ebe elu elu nke ụmụ irighiri mmiri na-ekpuchi ọkụ ọkụ na-enye ohere maka ọkụ ọkụ zuru ezu nke ụgwọ na ụlọ ọkụ. Naanị uzuoku mmanụ ụgbọala ga-agbanye ọkụ. Ebe elu elu nke ụmụ irighiri mmiri na-eme ka mmanụ ụgbọala na-ahapụ ọtụtụ vepo kama ịhapụ mmiri mmiri fọdụrụnụ.

Ka a na-agbakọkwu mkpụrụ ndụ vapor ndị a na-ebubo, otú ahụ ka a na-enwetakwu ume site na usoro combustion. Ike a chọrọ iji mpikota onu ụgwọ dị ntakịrị karịa uru a na-emepụta n'oge ọkụ. Dịka ọmụmaatụ, n'ime obere injin a na-ahụkarị, ike achọrọ iji mpịakọta ụgwọ bụ naanị otu ụzọ n'ụzọ anọ nke ike a na-emepụta n'oge ọkụ.

The mkpakọ ruru nke engine bụ ntụnyere nke combustion ọnụ ụlọ mgbe piston dị na ala nwụrụ anwụ center na combustion olu olu mgbe piston bụ n'elu nwụrụ anwụ center. Mpaghara a, jikọtara ya na nhazi na ụdị nke ụlọ ọkụ, na-ekpebi oke mkpakọ. Igwe mmanụ ụgbọ ala na-enwekarị mkpakọ nke 6 ruo 1 ruo 10 ruo 1. Ka ọnụ ọgụgụ mkpakọ dị elu, ka injin ahụ na-arụ ọrụ nke ọma karị. Oke mkpakọ dị elu na-ebutekarị nrụgide combustion ma ọ bụ ike na-eme na piston. Agbanyeghị, oke mkpakọ dị elu na-abawanye mbọ onye ọrụ chọrọ ịmalite injin. Ụfọdụ obere injin nwere sistemu na-ebelata nrụgide n'oge strok mkpakọ iji belata mbọ onye ọrụ chọrọ mgbe ịmalite injin.

Ihe mgbanye ọkụ Ihe mgbanye (ọkụ) na-eme mgbe a na-agbanye ọkụ na oxidized ngwa ngwa site na mmeghachi omume kemịkalụ iji hapụ ike ọkụ. Mkpọ ọkụ bụ mmeghachi omume kemịkalụ oxidative ngwa ngwa nke mmanụ ọkụ na-ejikọta kemịkalụ na ikuku oxygen na-ewepụta ike n'ụdị okpomọkụ.

Mkpọ ọkụ nke ọma na-agụnye obere oge mana obere oge nke ọkụ na-agbasa n'ime ụlọ combustion. Ọkụkụ dị na plọg ọkụ na-amalite ire ọkụ mgbe crankshaft na-atụgharị ihe dịka 20º tupu etiti nwụrụ anwụ. A na-eri ikuku oxygen na uzuoku mmanụ ọkụ site n'ihu ọkụ na-aga n'ihu. Ọkụ ọkụ dị n'ihu bụ mgbidi ókè nke na-ekewa ụgwọ ahụ site na ngwaahịa combustion. Ọkụ ọkụ na-aga n'ihu na-agafe ụlọ ọkụ ahụ ruo mgbe a na-ere ọkụ niile.

ike strok

Stroke ike bụ ọrịa strok nke na-arụ ọrụ nke gas na-ekpo ọkụ na-amanye isi piston pụọ na isi cylinder. A na-ebufe ike piston na mmegharị na-esote site na mkpanaka njikọ iji tinye torque na crankshaft. Ọkpụkpụ etinyere na-ebute ntụgharị nke crankshaft. A na-ekpebi ọnụọgụ nke torque a na-emepụta site na nrụgide na piston, nha piston na ọrịa strok nke engine. N'oge strok ike, a na-emechi valves abụọ ahụ.

Ọrịa strok na-ekpochapụ ọkụ na-apụta mgbe a chụpụrụ gas na-ekpochapụ n'ime ụlọ ọkụ wee tụba n'ime ikuku. Ọrịa strok bụ ọrịa strok ikpeazụ na-eme mgbe valvụ iyuzucha meghere ma mechie valvụ oriri. Ntugharị nke piston na-achụpụ ikuku ikuku n'ime ikuku.

Mgbe piston rutere n'etiti etiti nwụrụ anwụ n'oge strok ike, combustion na-agwụ agwụ na cylinder jupụtara na gas na-ekpochapụ. Ihe valvụ ahụ na-emepe emepe, na inertia nke flywheel na akụkụ ndị ọzọ na-akpụ akpụ na-eme ka piston laghachi azụ n'etiti etiti nwụrụ anwụ, na-amanye ikuku iyuzucha ka a ga-esi na valvụ ikuku na-emeghe. Na njedebe nke strok iyuzucha ahụ, piston dị n'etiti etiti nwụrụ anwụ ma arụ ọrụ okirikiri.