I-Toyota ingena empini ye-mini turbo block ne-8NR-FTS

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Impi emkhakheni wamabhulokhi kaphethiloli amancane asebenzisa i-turbo nomjovo oqondile iya ngokuya ishuba. I-Toyota, engomunye wabakhiqizi abakhulu emhlabeni, ayikwazanga ukushiywa ngaphandle futhi ijoyina iphathi ngebhulokhi entsha sha ye-1.2 D-4T.

Ekhadini lakho lebhizinisi - funda ishidi lobuchwepheshe - sinebhulokhi engu-1196cc, ekwazi ukuthuthukisa amahhashi angu-116 ngo-5200rpm futhi namaphaphu afika ku-5600rpm. Ngokuqondene ne-torque, imisipha yalesi block encane imelelwa i-185Nm ehloniphekile, okuthi, ngenxa ye-turbocharger yayo encane, iyatholakala, maduze ku-1,500rpm futhi igcine umthamo wokugijima kuze kufike ku-4000rpm, okuvumela ikhono elicacile lokusebenzisa izinsiza. imibuso ephansi nephakathi.

Kodwa ukuze kufinyelelwe la magugu, onjiniyela bakwaToyota baphinde bacabanga ngezinqubo ezithile zobuchwepheshe, okungukuthi umjikelezo wabo. Ngokuphambene nalokho okuvamile embonini, i-Toyota ayizange isebenzise isisombululo ngomjikelezo we-Otto (ovame kakhulu embonini yezimoto), kodwa kunalokho injini enomjikelezo we-Atkinson - bheka ividiyo echazayo ekupheleni kwesihloko.

Inzuzo yalo mjikelezo iyashisa, futhi ingafika ku-36% esebenza kahle kakhulu kuleli zinga kunenjini yomjikelezo ye-Otto efanayo. Kodwa akugcini lapho, i-valve entsha ye-valve yesikhathi i-VVT-iW ivumela umjikelezo we-Atkinson ukuthi ugcwaliseke njalo, okwenza izinga lokunwetshwa lihlale liphakeme kunesilinganiso sokucindezela esivele siphezulu sale block encane, engu-10.0: 1.

i-toyota-8nr-fts-12l-turbo-injini-inemininingwane_3

I-turbocharger esetshenziswa yiToyota iwumqulu owodwa (i-inlet eyodwa) yamasilinda angu-4 esizwa i-multifold exhaust epholiswe ngamanzi, evumela impendulo engcono yenjini kanye ne-torque ephezulu engashintshi. Ehlangothini lokungena, umqoqi wasetshenziselwa ukunikeza i-vortex ekugelezeni komoya okuvumela ingxube ye-homogeneous eyengeziwe nophethiloli.

Empeleni, lesi sakhiwo esisha, esizotholakala kwiToyota Auris evuselelwe kabusha, sizokwazi ukusebenzisa isilinganiso esingu-4.7l/100km.

I-Toyota ingena empini ye-mini turbo block ne-8NR-FTS 32263_2

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