Enjene ea Mercedes-Benz M275
Letoto la lienjine tsa M275 le nkile sebaka sa M137 se neng se sa sebetse hantle. Ho fapana le pele ho eona, enjene e ncha e sebelisitse li-cylinders tse nang le bophara bo fokolang, likanale tse peli bakeng sa ho potoloha ha pholiso, phepelo e ntlafalitsoeng ea mafura le sistimi ea taolo ME 2.7.1.
Tlhaloso ea lienjine tsa M275
Enjine ea M275
Kahoo, liphapang pakeng tsa enjene e ncha ea mollo e ka hare ke tse latelang:
- litekanyo tsa li-cylinders ka selikalikoe li fokotsehile ho 82 mm (ka M137 e ne e le 84 mm), e leng se ileng sa etsa hore ho khonehe ho fokotsa boholo ba mosebetsi ho fihlela ho lilithara tse 5,5 le ho tiisa sebaka sa mahala pakeng tsa likarolo tsa CPG;
- ho eketseha ha karohano, ho ile ha etsa hore ho khonehe ho etsa liteishene tse peli bakeng sa ho potoloha ha antifreeze;
- Sisteme ea ZAS e sa sebetseng hantle, e koalang li-cylinders tse 'maloa ka lebelo la enjene e bobebe le ho lokisa ho pepeseha ha camshaft, e felisitsoe ka botlalo;
- tsamaiso ea enjene ea elektroniki e nketsoe sebaka ke mofuta oa sejoale-joale;
- DMRV e ile ea felisoa - ho ile ha sebelisoa balaoli ba babeli ho e-na le hoo;
- e tlositse li-probe tsa 4 tsa lambda, tse ileng tsa fana ka katleho e kholo ho enjene;
- bakeng sa taolo e ntle ea khatello ea mafura, pompo ea peterole e kopantsoe le yuniti ea taolo le filthara e bonolo - pompo ea mafura e sa laoloang e kentsoe ho M137, ho kenyelletsa le sensor e kopaneng;
- mochine oa mocheso o ka hare ho cylinder block o ile oa tlosoa, 'me radiator e tloaelehileng e kenngoa sebakeng sa eona ka pele;
- centrifuge e kenyelelitsoe tsamaisong ea ho ntša moea o motlakase;
- khatello e fokotsehile ho 9.0;
- sekema se ne se sebelisoa ka li-turbine tse peli tse kentsoeng ka har'a manifolds a ho tima - matlafatso e pholile ka likanale tse peli tse ka holim'a hlooho ea silinda.
Leha ho le joalo, M275 e sebelisa sebopeho se tšoanang sa 3-valve se sebelitseng hantle M137.
Bala haholoanyane ka phapang lipakeng tsa lienjine tsa M275 le M137.
| M275 le ME2.7.1 | M137 le ME2.7 |
| Laela ho lemoha khatello ea moea ka lets'oao le tsoang ho sensor ea khatello e holimo ho throttle actuator. | ha ho |
| Ho lemoha moroalo ka lets'oao le tsoang ho sensor ea khatello e tlase ho sebatli sa throttle. | ha ho |
| ha ho | Metara ea boima ba moea o chesang o nang le sensor e kopaneng mocheso oa moea o kenang. |
| Bakeng sa mola o mong le o mong oa li-cylinders, turbocharger (Biturbo) ke tšepe e entsoeng ka tšepe. | ha ho |
| Ntlo ea turbine e kenyelelitsoe ka har'a mefuta e mengata ea ho ntša metsi, ntlo ea li-axle e pholile ka se pholileng. | ha ho |
| Matlafatsa taolo ea khatello ka mochini o fetolelang khatello, ho matlafatsa taolo ea khatello le ka lilaoli tse laoloang tsa khatello ea diaphragm (Wastgate-Ventile) matlong a turbine. | ha ho |
| E laoloa ke valve ea phetoho. Lerata la Turbocharger le thibeloa ka ho fokotsa khatello ea matla ka potlako ha o tloha moroalo o felletseng ho ea ho o sa sebetseng. | ha ho |
| Fetola moea o pholileng ka tjhaja ea metsi e le 'ngoe ka turbocharger. Li-coolers ka bobeli li na le potoloho ea tsona ea mocheso o tlase o nang le radiator ea mocheso o tlase le pompo ea potoloho ea motlakase. | ha ho |
| Mola o mong le o mong oa lisilindara o na le sefe ea oona sa moea. Kamora 'sefa se seng le se seng sa moea, sensor ea khatello e fumaneha ntlong ea sefefo sa moea ho bona ho theoha ha khatello ho pholletsa le sefe ea moea. E le ho fokotsa lebelo le phahameng la turbocharger, tekanyo ea compression ka mor'a / pele turbocharger e baloa le ho laoloa ho ea ka litšobotsi ka ho laola khatello ea matla. | Sefefo se le seng sa moea. |
| Ho na le mohloli o le mong bakeng sa mola o mong le o mong oa li-cylinders. Kakaretso ea li-sensor tsa oksijene tse 4, ka ho latellana pele le ka mor'a sesebelisoa se seng le se seng. | Bakeng sa li-cylinders tse ling le tse ling tse tharo, e 'ngoe ea li-catalyst tse ka pele. Kakaretso ea li-sensor tse 8 tsa oksijene, ka ho latellana pele le ka mor'a e 'ngoe le e' ngoe e ka pele ea catalytic converter |
| ha ho | Tokiso ea boemo ba camshaft ka oli ea enjene, li-valve tse 2 tsa phetoho ea camshaft. |
| ha ho | Ho thibela li-cylinders tsa mola o letšehali oa li-cylinders. |
| ha ho | Sensor khatello ea oli ka mor'a pompo e eketsehileng ea oli bakeng sa silindara deactivation system. |
| ha ho | Exhaust gase damper ka har'a manifold exhaust bakeng sa sistimi ea ho tima silinda. |
| Sistimi ea ho khantša ECI (ho khantšoa ha motlakase ho nang le tekanyo ea hona joale ea ion e kenyellelitsoeng), matla a ho khantša 32 kV, li-spark plugs tse peli ka silindara (ho khantša habeli). | Sisteme ea ho khantša ECI (Variable Voltage Ignition with Integrated Ion Current Sensing), voltage ignition 30 kV, li-spark plug tse peli ka silindara (ho khantša habeli). |
| Ho lemoha ho fosahetse ka ho metha lets'oao la hona joale la ion le ka ho lekola boreleli ba enjine ka sensor ea boemo ba crankshaft. | Ho lemoha ho fosahetse ka ho metha lets'oao la hona joale la ion. |
| Ho lemoha ho phatloha ka li-sensor tse 4 tse kokotang. | Ho lemoha ha detonation ka ho metha lets'oao la hona joale la ion. |
| Sensor ea khatello ea moea ea atmospheric sebakeng sa taolo ea ME. | ha ho |
| Pipe ea ho nchafatsa e nang le valve e sa khutleng ho thibela khatello e matla ho kena tanka ea khabone e kentsoeng. | Pipe ea ho nchafatsa enjene ea sepakapaka ntle le valve e sa khutleng. |
| Sisteme ea mafura e entsoe ho latela moralo oa mohala o le mong, sefahla sa mafura se nang le taolo e kopaneng ea khatello ea membrane, phepelo ea mafura e laoloa ho latela tlhoko. Pompo ea mafura (boholo ba tlhahiso ea hoo e ka bang 245 l / h) e laoloa ke pontšo ea PWM e tsoang mochine oa ho laola pompo ea mafura (N118) e lumellanang le matšoao a tsoang ho sensor ea khatello ea mafura. | Sisteme ea mafura e entsoe ka potoloho ea mohala o le mong o nang le taolo e kopaneng ea khatello ea membrane, pompo ea mafura ha e laoloe. |
| 3-likotoana tse ngata tsa ho ntša metsi tse nang le matlo a kopaneng a turbine. | Mohaho o mongata o koaletsoe ka har'a mocheso o tiisitsoeng le lerata le kenyang lerata le nang le lekhalo la moea. |
| Enjene ea crankcase ventilation e nang le karohano ea oli ea mofuta oa centrifugal le valve ea taolo ea khatello. Sephahla se sa khutleng ka melapong ea moea ea crankcase bakeng sa mojaro o sa fellang. | Moea o bonolo oa crankcase. |
Litsamaiso tsa M275
Sistimi ea enjine ea M275
Joale mabapi le litsamaiso tsa enjene e ncha.
- Nako ea ketane ea ho khanna, mela e 'meli. E le ho fokotsa lerata, ho sebelisoa rabara. E koahela li-sprockets tsa parasitic le crankshaft. Hydraulic tensioner.
- Pompo ea oli e mekhahlelo e 'meli. E khannoa ke ketane e arohaneng e nang le seliba.
- Mokhoa oa ho laola motlakase oa elektronike ha o fapane haholo le mofuta oa ME7 o sebelisitsoeng pele ho oona. Likarolo tse kholo e ntse e le mojule oa bohareng le li-coil. Sistimi e ncha ea ME 2.7.1 e khoasolla tlhahisoleseling ho tsoa ho li-sensors tse 'ne tse kokotang - lena ke lets'oao la ho suthisa PTO ho ea ho e chesoa ka morao.
- Sistimi ea boost e hokahane le mouoane. Li-compressor li fetoloa ho sebelisoa likarolo tse se nang moea.
Enjene ea M275 e hahiloe ka sebopeho sa V. Ke e 'ngoe ea lihlopha tse atlehileng tsa li-cylinder tse leshome le metso e' meli, tse behiloeng hantle ka tlas'a lesela la koloi. The motor block e entsoe ka thepa e bobebe ea refractory. Ha ho hlahlojoa ka kotloloho, ho ile ha fumaneha hore moralo oa enjine e tukang ka hare o thata haholo ho etsa liteishene tse ngata le liphaephe tsa phepelo. M275 e na le li-cylinder heads tse peli. Li boetse li entsoe ka thepa e nang le mapheo, li na le li-camshaft tse peli ho e 'ngoe le e' ngoe.
Ka kakaretso, enjene ea M275 e na le melemo e latelang ho feta pele ho eona le lienjineri tse ling tse tšoanang tsa sehlopha:
- khanyetso e ntle ea ho chesa haholo;
- lerata le fokolang;
- lipontšo tse babatsehang tsa mesi ea CO2;
- boima bo tlase bo nang le botsitso bo phahameng.
Turbocharger
Hobaneng ho ile ha kengoa turbocharger ho M275 ho fapana le ea mochini? Taba ea pele, e ile ea qobelloa ho e etsa ka mekhoa ea sejoale-joale. Haeba pejana ho ne ho e-na le tlhokahalo ea mochine o moholo oa mochine ka lebaka la setšoantšo se setle, kajeno boemo bo fetohile haholo. Taba ea bobeli, baqapi ba ile ba khona ho rarolla bothata ba ho beoa ha enjene ka tlas'a hood - 'me ba ne ba nahana joalo - turbocharger e hloka sebaka se seholo, kahoo ho kenya mochine oa motheo ho ke ke ha khoneha ka lebaka la likarolo tsa moralo.
Melemo ea turbocharger e bonahala hang-hang:
- kaho e potlakileng ea khatello le karabelo ea enjene;
- ho felisa tlhokahalo ea ho hokahanya le tsamaiso ea lubrication;
- sebopeho se bonolo le se tenyetsehang sa tokollo;
- ha ho tahlehelo ea mocheso.
Ka lehlakoreng le leng, tsamaiso e joalo ha e na mathata:
- theknoloji e theko e boima;
- tsidifatso e arohaneng e tlamang;
- ho eketseha ha boima ba enjene.
M275 turbocharger
Liphetoho
Enjene ea M275 e na le liphetolelo tse peli feela tse sebetsang: lilithara tse 5,5 le lilithara tse 6. Mofuta oa pele o bitsoa M275E55AL. E hlahisa hoo e ka bang 517 hp. Ka. Khetho ea bobeli e nang le molumo o eketsehileng ke M275E60AL. M275 e kentsoe mefuteng ea pele ea Mercedes-Benz, leha ho le joalo, joalo ka pele ho eona. Tsena ke likoloi tsa sehlopha sa S, G le F. Litharollo tse fetotsoeng tsa boenjiniere le tsa theknoloji tsa nakong e fetileng li sebelisitsoe ka katleho moralong oa lienjineri tsa letoto.
Yuniti ea 5,5-litha e kentsoe mefuteng e latelang ea Mercedes-Benz:
- 3rd moloko coupe CL-Class 2010-2014 le 2006-2010 sethaleng C216;
- restyled 2nd moloko coupe CL-Class 2002-2006 sethaleng C215;
- Moloko oa bohlano oa sedan S-Class 5-2009 le 2013-2005 W2009;
- sedan e nchafalitsoeng moloko oa 4 oa S-Class 2002-2005 W
A 6-litre bakeng sa:
- 3rd moloko coupe CL-Class 2010-2014 le 2006-2010 sethaleng C216;
- restyled 2nd moloko coupe CL-Class 2002-2006 sethaleng C215;
- li-SUV tse nchafalitsoeng tsa moloko oa bo7 oa G-Class 2015-2018 le moloko oa 6 oa 2012-2015 sethaleng sa W463;
- Moloko oa bohlano oa sedan S-Class 5-2009 le 2013-2005 sethaleng sa W2009;
- sedan e nchafalitsoeng moloko oa 4 oa S-Class 2002-2005 W
| Ho fallisoa ha enjene, li-cubic cm | 5980 le 5513 |
| Palo e phahameng ea torque, N * m (kg * m) ka rpm. | 1,000 102 (4000) / 1,000; 102 (4300) / 800 le 82 (3500) / 830; 85 (3500) / XNUMX |
| Boholo ba matla, hp | 612 - 630 le 500 - 517 |
| Fuel sebelisoa | Peterole AI-92, AI-95, AI-98 |
| Ts'ebeliso ea mafura, l / 100 km | 14,9-17 le 14.8 |
| mofuta oa enjene | V-e bōpehileng joaloka, 12-silindara |
| Eketsa. leseli la enjene | SOHC |
| Ts'oaetso ea CO2 ho g / km | 317 - 397 le 340 - 355 |
| Moqomo bophara, limilimithara | 82.6 - 97 |
| Palo ea li-valve ka silindara | 3 |
| Boholo ba matla, hp (kW) ka rpm | 612 (450) / 5100; 612 (450) / 5600; 630 (463) / 5000; 630 (463) / 5300 le 500 (368) / 5000; 517 (380) / 5000 |
| Supercharger | Mafahla turbocharging |
| Compression ratio | 9-10,5 |
| Piston stroke bolelele | 87 мм |
| li-cylinder liner | E kopantsoe le theknoloji ea Silitec. Botenya ba lera le kopantsoeng la lerako la silinda ke 2,5 mm. |
| Moqomo | Likarolo tse ka holimo le tse ka tlaase tsa cylinder block (die-cast aluminium). Ho na le tiiso ea rabara pakeng tsa tlase karolo ya moqomo le karolo e ka hodimo pane ea oli. The cylinder block e na le likarolo tse peli. Mohala o arolang o matha haufi le mola o bohareng oa crankshaft shaft. Ka lebaka la lisebelisoa tse kholo tsa li-bearings tse kholo tsa crankshaft tse entsoeng ka tšepe e bohlooho litšoaneleho tsa lerata li ntlafalitsoe karolong e ka tlaase ea setsi sa khoebo. |
| Crankshaft | Crankshaft ea boima bo nepahetseng, e nang le boima bo leka-lekaneng. |
| Pan ea oli | Likarolo tse ka holimo le tse ka tlaase tsa pane ea oli li entsoe ka aluminium ea die-cast. |
| Likhoele tse hokahanyang | Tšepe, e entsoeng. Bakeng sa ts'ebetso e tloaelehileng tlas'a meroalo e phahameng, ka lekhetlo la pele, matla a phahameng forging material. Ho lienjine tsa M275, hammoho le M137, hlooho e tlase ea molamu o kopanyang e entsoe ka mohala. fracture e sebelisa theknoloji ea "broken crank", e ntlafatsang ho nepahala ha ho lekana ho kopanya li-rod caps ha u li kenya. |
| Hlooho ea Moqomo | Aluminium, likotoana tse 2, tse entsoeng ho sebelisoa theknoloji ea 3-valve e seng e tsejoa. Banka e 'ngoe le e' ngoe ea li-cylinders e na le camshaft e le 'ngoe e laolang ts'ebetso li-valve tsa ho kenya le ho ntša metsi |
| Ketane e khanna | Camshaft e tsamaisoa ke crankshaft ka ketane ea mela e 'meli. Naleli e kentsoe bohareng ba ho putlama ha cylinder block ho khelosa ketane. Ho phaella moo, ketane e tataisoa ke lieta tse kobehileng hanyenyane. Khatello ea ketane e etsoa ka mochine oa hydraulic chain tensioner ka seeta tensioner. Li-sprockets tsa crankshaft, camshafts, hammoho le sprocket ea tataiso e entsoeng ka rabara ho fokotsa lerata la ketane. Oli pump drive e behiloe ka morao ho ketane ho ntlafatsa bolelele ba kakaretso Nako. Pompo ea oli e tsamaisoa ke ketane ea mola o le mong. |
| Sebaka sa taolo | ME 2.7.1 ke sistimi ea taolo ea enjine ea elektroniki e ntlafalitsoeng ho tloha ho ME 2.7 Enjene ea M137, e neng e tlameha ho ikamahanya le maemo a macha le mesebetsi ea enjene M275 le M285. Sehlopha sa taolo sa ME se na le taolo ea enjene eohle le mesebetsi ea tlhahlobo. |
| Sisteme ea mafura | E entsoe ka potoloho ea terata e le 'ngoe ho qoba ho phahama ha mocheso ka har'a mafura bo nkgono. |
| Pompo ea mafura | Mofuta oa Screw, o nang le taolo ea elektroniki. |
| Filter ea mafura | Ka valve e kopantsoeng ea bypass. |
| Turbocharger | Ka tšepe matlo a die-cast, a kopantsoeng ka har'a e ngata ea ho ntša. E 'ngoe le e' ngoe ea WGS (Waste Gate Steuerung) e laoloang turbocharger bakeng sa banka e fapaneng ea silinda e fana ka moea o hloekileng ho enjene. Lebili la turbine ka har'a turbocharger e tsamaisoang ke phallo e sebedisoang likhase. Moea o hloekileng oa kena ka phala e kenang. Ho qobella lebili le hokahaneng ka thata le turbine lebili ka har'a shaft, compresses e hloekileng moea. Moea oa ho tjhaja o fanoa ka phaephe ho enjene. |
| Li-sensor tsa khatello ka mor'a moea sefa | Ho na le tse peli tsa tsona. Li fumaneha holim'a matlo a moea sefe pakeng tsa moya sefa le turbocharger ka lehlakoreng le letshehadi/le letona la enjene. Morero: ho fumana hore na khatello ea sebele ke efe phalang ea ho kenya. |
| Sensor ea khatello pele le ka morao ho throttle actuator | E fumaneha ka tatellano: holim'a throttle actuator kapa phala e kenang ka pel'a lisebelisoa tse kholo Phepelo ea motlakase ea ECI. e lekanyetsa khatello ea hona joale ea matlafatso ka mor'a ho sebetsa mochine oa throttle. |
| Matlafatsa khatello ea taolo ea khatello ea mali | E fumaneha ka mor'a sefe ea moea ka lehlakoreng le letšehali la enjene. E tsamaisa ho latela taolo e fetotsoe eketsa khatello ho membrane balaoli. |
