Mercedes-Benz M275 engine

Jerin injunan M275 sun maye gurbin M137 da ba a gama ba. Ba kamar wanda ya gabace shi ba, sabon injin ya yi amfani da silinda tare da ƙaramin diamita, tashoshi biyu don wurare dabam dabam na sanyaya, ingantaccen wadataccen mai da tsarin sarrafawa ME 2.7.1.

Bayanin injinan M275

Injin M275

Don haka, bambance-bambancen da ke tsakanin sabon injin konewa na ciki sune kamar haka:

• An rage girman silinda a cikin kewayen zuwa 82 mm (a kan M137 ya kasance 84 mm), wanda ya sa ya yiwu a rage girman aiki zuwa lita 5,5 da kuma yalwata sararin samaniya tsakanin abubuwan CPG;
• karuwa a cikin bangare, bi da bi, ya ba da damar yin tashoshi biyu don zagayawa na antifreeze;
• tsarin ZAS maras kyau, yana rufe nau'ikan silinda da yawa a nauyin injin haske da daidaita yanayin camshaft, an kawar da shi gaba ɗaya;
• an maye gurbin tsarin sarrafa injin lantarki tare da ingantaccen sigar zamani;
• An soke DMRV - an yi amfani da masu mulki guda biyu maimakon;
• cire 4 lambda bincike, wanda ya ba da mafi girman inganci ga injin;
• don mafi kyawun ƙa'idar matsa lamba na man fetur, an haɗa fam ɗin man fetur tare da na'ura mai sarrafawa da kuma sauƙi mai sauƙi - an shigar da famfo mai ba da izini a kan M137, ciki har da firikwensin hade;
• An cire mai musayar zafi da ke cikin shingen Silinda, kuma an shigar da radiator na al'ada a wurinsa a gaba;
• an ƙara centrifuge zuwa tsarin shaye-shaye;
• matsawa ya rage zuwa 9.0;
• An yi amfani da wani makirci tare da turbines guda biyu da aka saka a cikin ma'auni na shaye-shaye - haɓaka yana sanyaya ta tashoshi biyu da ke saman kan silinda.

Koyaya, M275 yana amfani da shimfidar 3-valve iri ɗaya wanda yayi aiki da kyau akan M137.

Kara karantawa game da bambanci tsakanin injunan M275 da M137.

M275 tare da ME2.7.1	M137 tare da ME2.7
Yi cajin gano matsa lamba ta hanyar sigina daga firikwensin matsa lamba a sama na mai kunna wuta.	babu
Ɗaukar kaya ta hanyar sigina daga firikwensin matsa lamba a ƙasa na mai kunnawa maƙura.	babu
babu	Mitar iska mai zafi mai zafi tare da hadedde firikwensin shan zafin iska.
Ga kowane jere na silinda, ana jefa turbocharger (Biturbo) karfe.	babu
Gidan injin turbine yana haɗawa a cikin nau'in shaye-shaye, gidan axle yana sanyaya ta mai sanyaya.	babu
Ƙarfafa tsarin matsa lamba ta hanyar mai canza matsa lamba, haɓaka ƙa'idodin matsa lamba da ta hanyar sarrafa matsa lamba na diaphragm (Wastgate-Ventile) a cikin gidajen injin turbine.	babu
Sarrafa ta hanyar bawul mai canzawa. Ana hana hayaniyar Turbocharger ta hanzarin rage ƙarfin haɓakawa yayin tafiya daga cikakken kaya zuwa yanayin rashin aiki.	babu
Daya cajin ruwa mai sanyaya iska kowane turbocharger. Dukansu na'urori masu cajin ruwa na iska suna da nasu ƙananan yanayin sanyaya da'ira tare da ƙarancin zafin jiki mai zafi da famfo kewayawa na lantarki.	babu
Kowane jere na silinda yana da matatun iska. Bayan kowace matattarar iska, na'urar firikwensin matsa lamba yana samuwa a cikin mahalli na tace iska don gano raguwar matsa lamba a kan tace iska. Don iyakance iyakar saurin turbocharger, ƙimar matsawa bayan / kafin a lissafta turbocharger kuma ana sarrafa shi bisa ga halaye ta hanyar sarrafa ƙarfin haɓakawa.	Tace iska daya.
Akwai mai kara kuzari ga kowane jere na silinda. Jimlar na'urori masu auna iskar oxygen guda 4, bi da bi kafin da bayan kowane mai kara kuzari.	Ga kowane silinda guda uku, mai haɓaka gaba ɗaya. Jimlar na'urori masu auna iskar oxygen guda 8, bi da bi kafin da bayan kowane mai kara kuzari na gaba
babu	Daidaita matsayi na Camshaft ta man inji, 2 camshaft matsayi daidaita bawuloli.
babu	Kashe silinda na layin hagu na silinda.
babu	Mai firikwensin matsin lamba bayan ƙarin famfo mai don tsarin kashewa Silinda.
babu	Cire damper ɗin iskar gas a cikin ɗimbin shaye-shaye don tsarin kashe silinda.
Tsarin wutan lantarki ECI (mai canza wutar lantarki mai canzawa tare da haɗaɗɗen ma'aunin ion halin yanzu), ƙarfin wutan lantarki 32 kV, matosai guda biyu a kowane silinda (ƙwanƙwasa biyu).	Tsarin wutan lantarki ECI (Maɓallin Ƙarfafa wutar lantarki tare da Integrated Ion Current Sensing), ƙarfin wutan lantarki 30 kV, matosai biyu a kowane silinda (cikewar dual).
Gano kuskure ta hanyar auna siginar ion na yanzu da kuma kimanta santsin injin tare da firikwensin matsayi na crankshaft.	Gano kuskure ta hanyar auna siginar ion na yanzu.
Gano fashewa ta hanyar na'urori masu auna bugun jini guda 4.	Gane fashewa ta hanyar auna siginar ion na yanzu.
Na'urar firikwensin iska mai iska a cikin na'urar sarrafa ME.	babu
Bututun sabuntawa tare da bawul ɗin da ba zai dawo ba don hana haɓakar matsa lamba daga shigar da tankin carbon da aka kunna.	Bututun sabuntawa don injin yanayi ba tare da bawul mara dawowa ba.
An yi tsarin man fetur bisa ga tsarin layi guda ɗaya, mai tace man fetur tare da mai daidaita ma'aunin matsa lamba na membrane, an tsara tsarin samar da man fetur dangane da buƙata. Jirgin mai (mafi girman fitarwa kimanin 245 l / h) ana sarrafa shi ta siginar PWM daga sashin kula da famfo mai (N118) wanda ya dace da sigina daga firikwensin matsa lamba mai.	Ana yin tsarin man fetur a cikin layin layi guda ɗaya tare da haɗakar da mai kula da matsa lamba na membrane, ba a sarrafa famfo mai.
3-yanki na shaye-shaye tare da haɗaɗɗen gidaje na turbine.	An lullube da yawan shaye-shaye a cikin rufaffiyar zafi da amo mai rufe murfi tare da tazarar iska.
Injin crankcase samun iska tare da nau'in centrifugal mai raba mai da bawul mai sarrafa matsa lamba. Bawul ɗin da ba zai dawo ba a cikin layukan samun iska na crankcase don ɓangarori da cikakken kaya.	Sauƙaƙe iska mai ɗaukar kaya.

M275 tsarin

Tsarin injin M275

Yanzu game da tsarin sabon injin.

1. Tukin sarkar lokaci, jeri biyu. Don rage surutu, ana amfani da roba. Yana rufe parasitic da crankshaft sprockets. Hydraulic tensioner.
2. Famfon mai mataki biyu ne. Ana tuƙa shi da wani sarka daban wanda aka sanye da marmaro.
3. Na'urar sarrafa motar lantarki ba ta da bambanci da nau'in ME7. da aka yi amfani da shi akan wanda ya gabace shi. Babban sassa har yanzu su ne na tsakiya module da coils. Sabon tsarin ME 2.7.1 yana zazzage bayanai daga firikwensin ƙwanƙwasa huɗu - wannan sigina ce don matsawa PTO zuwa ƙarshen kunnawa.
4. An haɗa tsarin haɓakawa zuwa shaye-shaye. Ana daidaita kwampressors ta amfani da abubuwan da ba su da iska.

An gina injin M275 a cikin siffar V. Yana ɗaya daga cikin raka'o'in silinda goma sha biyu masu nasara, an sanya su cikin kwanciyar hankali a ƙarƙashin murfin motar. An ƙera katangar motar daga wani abu mai nauyi mai nauyi. Bayan binciken kai tsaye, ya bayyana cewa ƙirar injin konewa na ciki yana da matukar wahala wajen kera yawancin tashoshi da samar da bututu. M275 yana da kawunan silinda guda biyu. Hakanan an yi su da kayan fuka-fuki, suna da camshafts biyu a kowannensu.

Gabaɗaya, injin M275 yana da fa'idodi masu zuwa akan wanda ya riga shi da sauran injunan aji makamancin haka:

• mai kyau juriya ga overheating;
• ƙananan ƙara;
• ingantattun alamomi na iskar CO2;
• ƙananan nauyi tare da babban kwanciyar hankali.

Turbocharger

Me yasa aka sanya turbocharger akan M275 maimakon injina? Da fari dai, an tilasta masa yin ta hanyoyin zamani. Idan a baya an sami buƙatun injin supercharger saboda hoto mai kyau, a yau yanayin ya canza sosai. Abu na biyu, masu zanen kaya sun sami nasarar magance matsalar ƙarancin sanya injin a ƙarƙashin hular - kuma sun kasance suna tunanin haka - turbocharger yana buƙatar sarari mai yawa, don haka shigarwa akan injin tushe ba zai yiwu ba saboda fasalin fasalin.

Ana iya lura da fa'idodin turbocharger nan da nan:

• saurin haɓaka matsa lamba da amsawar injin;
• kawar da buƙatar haɗi zuwa tsarin lubrication;
• shimfidar sakin layi mai sauƙi da sassauƙa;
• babu zafi hasara.

A gefe guda, irin wannan tsarin ba shi da lahani:

• fasaha mai tsada;
• wajibi dabam sanyaya;
• karuwa a nauyin injin.

Mai turbocharger M275

Canji

Injin M275 yana da nau'ikan aiki guda biyu: 5,5 lita da lita 6. Sigar farko ana kiranta M275E55AL. Yana samar da kusan 517 hp. Tare da Zaɓin na biyu tare da ƙarar ƙarar shine M275E60AL. An shigar da M275 akan samfuran Mercedes-Benz na ƙima, duk da haka, kamar wanda ya gabace shi. Waɗannan motoci ne na aji S, G da F. Injiniya da aka gyara da kuma hanyoyin fasaha na baya an yi nasarar amfani da su a cikin ƙirar injinan jerin.

An shigar da naúrar lita 5,5 akan samfuran Mercedes-Benz masu zuwa:

• 3rd ƙarni coupe CL-Class 2010-2014 da 2006-2010 a kan dandalin C216;
• restyled 2nd ƙarni coupe CL-Class 2002-2006 a kan dandalin C215;
• Sedan S-Class na 5th 2009-2013 da 2005-2009 W221;
• restyled sedan 4th ƙarni S-Class 2002-2005 W

A 6 lita:

• 3rd ƙarni coupe CL-Class 2010-2014 da 2006-2010 a kan dandalin C216;
• restyled 2nd ƙarni coupe CL-Class 2002-2006 a kan dandalin C215;
• restyled SUVs na 7th tsara G-Class 2015-2018 da 6th tsara 2012-2015 a kan W463 dandamali;
• Sedan S-Class na 5th 2009-2013 da 2005-2009 akan dandalin W221;
• restyled sedan 4th ƙarni S-Class 2002-2005 W

Matsayin injin, mai siffar sukari cm	5980 da 5513
Matsakaicin karfin juzu'i, N * m (kg * m) a rpm.	1,000 (102) / 4000; 1,000 (102) / 4300 da 800 (82) / 3500; 830 (85) / 3500
Matsakaicin iko, h.p.	612-630 da 500-517
An yi amfani da mai	Man fetur AI-92, AI-95, AI-98
Amfanin mai, l / 100 km	14,9-17 da kuma 14.8
nau'in injin	V-siffa, 12-silinda
Ara bayanin injiniya	SOHC
Fitowar CO2 a cikin g / km	317-397 da 340-355
Silinda diamita, mm	82.6 - 97
Yawan bawul a kowane silinda	3
Matsakaicin iko, h.p. (kW) a rpm	612 (450) / 5100; 612 (450) / 5600; 630 (463) / 5000; 630 (463) / 5300 da 500 (368) / 5000; 517 (380) / 5000
Supercharger	Twin turbocharging
Matsakaicin matsawa	9-10,5
Tsawon bugun bugun fistan	87 mm
silinda liners	An haɗa shi da fasahar Silitec. A kauri daga cikin alloyed Layer na Silinda bango ne 2,5 mm.
Filin silinda	Na sama da ƙananan sassa na toshe Silinda (die-cast aluminum). Akwai hatimin roba tsakanin kasa wani ɓangare na silinda block da kuma babba sashi kwanon mai. Tushen Silinda ya ƙunshi sassa biyu. Layin rarraba yana gudana tare da tsakiyar layin crankshaft shaft. Godiya ga ɗimbin abubuwan da aka saka don crankshaft na manyan bearings da aka yi da baƙin ƙarfe mai launin toka An inganta halayen amo a cikin ƙananan ɓangaren cibiyar kasuwanci.
Crankshaft	Crankshaft na mafi kyawun nauyi, tare da daidaita yawan jama'a.
Kaskon mai	Na sama da ƙananan sassa na kaskon mai an yi su ne da aluminium da aka kashe.
Haɗa sanduna	Karfe, jabu. Don aiki na yau da kullun a ƙarƙashin manyan lodi, a karon farko, ƙarfin ƙarfi kayan ƙirƙira. A kan injunan M275, da kuma a kan M137, an yi ƙananan sandar haɗin kai tare da layi. karaya ta amfani da fasahar "karshe crank", wanda ke inganta daidaiton dacewa haɗa iyakoki lokacin shigar da su.
Shugaban silinda	Aluminum, guda 2, Anyi amfani da fasahar 3-bawul da aka sani. Kowane banki na cylinders yana da camshaft guda ɗaya, wanda ke sarrafa aikin duka sha da shaye-shaye bawuloli
Sarkar drive	Ƙaƙƙarfan camshaft ɗin yana motsa shi ta hanyar crankshaft ta hanyar sarkar abin nadi mai jere biyu. Ana shigar da alamar alama a tsakiyar rugujewar tubalin Silinda don karkatar da sarkar. Bugu da ƙari, ana jagorantar sarkar ta takalma mai lankwasa kaɗan. Ana aiwatar da tashin hankali na sarkar ta hanyar sarkar na'ura mai kwakwalwa ta hanyar takalma tashin hankali. Sprockets na crankshaft, camshafts, da kuma sprocket jagora rubberized don rage sarkar hayaniya. Motar famfon mai an ajiye shi a bayan sarkar don inganta tsayin gabaɗaya Lokaci. Ana sarrafa fam ɗin mai ta hanyar sarkar nadi guda ɗaya.
Toshewar sarrafawa	ME 2.7.1 tsarin sarrafa injin lantarki ne wanda aka haɓaka daga ME 2.7 Injin M137, wanda dole ne a daidaita shi zuwa sabbin yanayi da ayyukan injin M275 da M285. Ƙungiyar kula da ME ta ƙunshi duk sarrafa injin da ayyukan bincike.
Tsarin man fetur	An yi shi a cikin da'irar waya ɗaya don guje wa hauhawar zafin jiki a cikin man fetur tanki.
Fuel pump	Nau'in dunƙule, tare da tsarin lantarki.
Tace mai	Tare da hadedde bawul na kewayawa.
Turbocharger	Da karfe matsuguni na simintin gyare-gyare, daɗaɗɗen haɗaɗɗiya cikin abin shaye-shaye. Kowace WGS (Ƙofar Sharar gida Steuerung) mai sarrafa turbocharger don bankin silinda daban-daban yana ba da iska mai kyau ga injin. Dabarar turbine a cikin turbocharger tafiyar da aka kashe gas. Iska mai dadi ta shiga ta bututun ci. Tilastawa dabaran daure da haɗin kai zuwa injin injin injin dabaran ta shaft, compresses da sabo iska. Ana ba da iskar caji ta bututun ga injin.
Na'urori masu auna matsi bayan iska tace	Akwai guda biyu daga cikinsu. Suna kan gidajen iska tace tsakanin iska tace da turbocharger a gefen hagu/dama na injin. Manufar: don ƙayyade ainihin matsa lamba a cikin bututun ci.
Na'urar firikwensin matsin lamba kafin da bayan mai kunnawa magudanar ruwa	Located bi da bi: a kan maƙura actuator ko a cikin bututun ci a gaban mains ECI samar da wutar lantarki. yana ƙayyade matsi na haɓakawa na yanzu bayan actuating inji mai maƙarƙashiya.
Ƙarfafa matsi mai daidaita matsi	Yana bayan matatar iska a gefen hagu na injin. Gudanarwa dangane da sarrafawa modulated ƙara matsa lamba zuwa membrane masu mulki.