Chifukwa chiyani Mercedes-Benz ibwerera ku injini zisanu ndi imodzi?

Anonim

Pambuyo pazaka 18 zopanga, Mercedes-Benz isiya injini za V6. Tsogolo la mtunduwu limapangidwa ndi injini zama modular.

Kwa zaka ndi zaka takhala tikumva mitundu ingapo ikunena kuti injini za V6, poyerekeza ndi injini zamasilinda asanu ndi limodzi, zinali zotsika mtengo kupanga komanso zosavuta "kukonza", choncho njira yabwinoko. Pankhani ya Mercedes-Benz, mawu awa adamveka bwino chifukwa injini zake zambiri za V6 zimachokera ku midadada ya V8. Mtundu wa Stuttgart udadula masilinda awiri ku midadada yawo ya V8 ndipo tawonani, anali ndi injini ya V6.

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Vuto ndi yankho ili? Mu injini ya 90º V8 dongosolo la kuphulika mu silinda imodzi limatsutsana ndi dongosolo la kuphulika kwa silinda ina, zomwe zimapangitsa kuti makina azitha bwino komanso osalala. Vuto ndiloti ndi masilinda awiri ocheperako (ndi dongosolo losiyana la kuphulika) injini za V6zi zinali zochepa komanso zosagwirizana. Poyang'anizana ndi vutoli, mtunduwo udakakamizika kugwiritsa ntchito zanzeru zamagetsi kuti zigwirizane ndi kuwongolera magwiridwe antchito amakanika awa. Mu mzere wa injini zisanu ndi imodzi ya silinda vuto ili kulibe chifukwa palibe m'mbali kayendedwe kuti kupitirira.

Nanga bwanji mubwerere ku injini zamasilinda zisanu ndi chimodzi tsopano?

Injini yomwe ili pachithunzichi ndi ya banja la injini ya Mercedes-Benz yatsopano. M'tsogolomu tidzapeza injini iyi mumitundu ya S-Class, E-Class ndi C-Class. Malingana ndi Mercedes-Benz, injini yatsopanoyi idzalowa m'malo mwa injini za V8 - kutha kupanga zoposa 400hp mu mphamvu zambiri. Mabaibulo.

Kuyankha funso "bwanji kubwerera ku zisanu ndi chimodzi motsatizana tsopano", pali zifukwa ziwiri zazikulu Mercedes kutero. Chifukwa choyamba ndikuchulukira kwa injini - kapangidwe ka injini zisanu ndi chimodzi kamene kamathandizira kukhazikitsidwa kwa ma turbos otsatizana. Yankho lomwe tsopano likudziwika kwambiri kuposa kale lonse komanso lomwe zaka zingapo zapitazo silinabwerenso.

Chifukwa chiyani Mercedes-Benz ibwerera ku injini zisanu ndi imodzi? 27412_1

Chifukwa chachiwiri n’chokhudza kuchepetsa ndalama. Banja lomwe injini yatsopanoyi ili nayo ndi yokhazikika. Mwa kuyankhula kwina, kuchokera ku chipika chomwecho ndikugwiritsa ntchito zigawo zomwezo, mtunduwo ukhoza kupanga injini zokhala ndi masilinda anayi mpaka asanu ndi limodzi, pogwiritsa ntchito dizilo kapena mafuta. Dongosolo lopanga lomwe lakhazikitsidwa kale ndi BMW ndi Porsche.

Chinthu china chatsopano cha banja latsopanoli la injini ndi kugwiritsa ntchito makina amagetsi a 48V omwe adzakhala ndi udindo wodyetsa makina amagetsi amagetsi (ofanana ndi omwe adayambitsidwa ndi Audi SQ7). Malinga ndi mtunduwo, kompresa iyi ikwanitsa kufika 70,000 RPM mu ma milliseconds 300 okha, motero kuletsa turbo-lag, mpaka turbo yayikulu ikakhala ndi mphamvu zokwanira kuti igwire ntchito mokwanira.

Kuphatikiza pa kupatsa mphamvu kompresa yamagetsi, sub-system iyi ya 48V idzapatsanso mphamvu zowongolera mpweya ndikugwiranso ntchito ngati chowongolera mphamvu - kugwiritsa ntchito mwayi wowotcha mabatire.

Zabwino kwa injini za Renault?

M'mbuyomu, BMW inali ndi vuto lamagetsi ang'onoang'ono. Poganizira kuchuluka kwa malonda a MINI, zinali zosatheka kuti BMW ipange ndi kupanga mainjini kuyambira pomwe amatengera mtundu waku Britain. Panthawiyo, yankho linali kugawana injini ndi gulu la PSA. BMW inangosiya "kubwereka" injini kuchokera ku gulu lachifalansa itangoyamba kupanga banja lawo la injini zama injini.

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Munjira yosavuta (yosavuta kwambiri…) zomwe BMW ikuchita pakadali pano ndikupanga injini kuchokera ku ma module a 500 cc iliyonse - Mercedes-Benz yatengera kusamutsidwa kofananako kwamagawo ake. Kodi ndikufunika injini ya 1.5 litre 3-silinda ya MINI One? Ma module atatu aphatikizidwa. Kodi ndikufunika injini ya 320d? Ma module anayi amabwera palimodzi. Kodi ndikufunika injini ya BMW 535d? Inde munaganiza. Ma module asanu ndi limodzi amabwera palimodzi. Ndi mwayi womwe ma module awa amagawana zigawo zambiri, zikhale MINI kapena Series 5.

Mercedes-Benz atha kuchita zomwezo mtsogolomo, kugawa injini za Renault-Nissan Alliance zomwe pakali pano zimathandizira mitundu yochepa ya Gulu A ndi Gulu la C. Banja latsopanoli la injini litha kupezeka pamitundu yonse ya Mercedes-Benz - kuchokera ku A-Class yotsika mtengo kwambiri mpaka ya S-Class yapadera kwambiri.

Chifukwa chiyani Mercedes-Benz ibwerera ku injini zisanu ndi imodzi? 27412_2

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