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Keshen科申 www.keshen.cn
電動燃油泵、電動柴油輸油泵DRV閥、燃油計(jì)量閥、SCV閥、電動剎車真空泵
Electric Fuel Pump, Electric Diesel Lift Pump, DRVValve, Fuel Metering Valve, SCVValve, Electric Brake Vacuum Pump
Keshen科申
www.keshen.cn
溫州科申電機(jī)制造有限公司，自成立以來，便致力于成為汽車電動泵類和電磁閥類產(chǎn)品領(lǐng)域的佼佼者。公司以“為客戶提供優(yōu)質(zhì)可靠的產(chǎn)品，同時(shí)為全體公司同仁創(chuàng)造物質(zhì)和精神上的雙幸福”為使命，秉持著精密制造的核心競爭力，不斷推動產(chǎn)品系列的創(chuàng)新與發(fā)展。作為國家高新技術(shù)企業(yè)，溫州科申電機(jī)制造有限公司的前身一一瑞安市科達(dá)汽車配件有限公司，自2001年成立以來，便深耕于汽車電動燃油泵的研究、設(shè)計(jì)、開發(fā)與制造領(lǐng)域。公司憑借領(lǐng)先的技術(shù)力量、先進(jìn)的生產(chǎn)設(shè)備、完善的檢測手段、可靠的質(zhì)量標(biāo)準(zhǔn)和靈活的經(jīng)營機(jī)制，贏得了國內(nèi)外用戶的廣泛信賴。
在產(chǎn)品開發(fā)與設(shè)計(jì)上，公司始終追求精益求精。目前，公司產(chǎn)品線涵蓋了電動汽油泵、電動柴油輸油泵、電動剎車真空泵、DRV閥、計(jì)量閥等多個(gè)領(lǐng)域。其中，公司自主研發(fā)的電動柴油泵，以其獨(dú)特的技術(shù)解決了電機(jī)在柴油內(nèi)使用壽命短的問題，壽命長達(dá)10000小時(shí)，有效解決了國三至國六排放標(biāo)準(zhǔn)的柴油機(jī)在寒冷天氣下啟動困難的問題，并免去了手動排氣的繁瑣。此外，公司針對渦輪增壓汽車、電動汽車及混合動力汽車開發(fā)的電動剎車真空泵，以其抽真空速度快、壽命長、穩(wěn)定性好的特點(diǎn)，贏得了市場的廣泛好評。
在電磁閥產(chǎn)品領(lǐng)域，溫州科申電機(jī)制造有限公司更是投入了大量研發(fā)資源。公司已成功開發(fā)了DRV閥、燃油計(jì)量閥等產(chǎn)品，并計(jì)劃在未來繼續(xù)深耕精密制造的閥類產(chǎn)品領(lǐng)域，努力突破精密電磁閥類產(chǎn)品制造上的難點(diǎn)痛點(diǎn)，逐步積累優(yōu)勢，力爭成為精密電磁閥類產(chǎn)品的制造專家。
公司現(xiàn)有員工120人，其中技術(shù)開發(fā)人員占比高達(dá)13.3%，這為公司持續(xù)的技術(shù)創(chuàng)新和產(chǎn)品升級提供了堅(jiān)實(shí)的人才保障。目前，公司已成為新柴、玉柴、一拖、斯太爾、萊動等國內(nèi)主流主機(jī)廠的供應(yīng)商，與多家知名企業(yè)建立了長期穩(wěn)定的合作關(guān)系。
展望未來，溫州科申電機(jī)制造有限公司將繼續(xù)秉承“精密制造、不斷創(chuàng)新”的企業(yè)精神，致力于為全球客戶提供更加優(yōu)質(zhì)、可靠的產(chǎn)品和服務(wù)。同時(shí)，公司也將持續(xù)關(guān)注行業(yè)動態(tài)和技術(shù)發(fā)展趨勢，不斷推動自身技術(shù)升級和產(chǎn)品創(chuàng)新，為汽車電動泵類和電磁閥類產(chǎn)品領(lǐng)域的發(fā)展貢獻(xiàn)更多力量。
Wenzhou Keshen Electric Motor Manufacturing Co.,Ltd.has been committedto becomingaleaderinthe fieldofautomotiveelectric pumpand solenoid valve products since its inception.With the mission of“providingcustomerswith high-qualityandreliable products,while creating both material and spiritual happiness for all company colleagues,”the company adheres to precision manufacturing as its core competitiveness and continuously promotes the innovationand developmentof its product series
Asanational high-tech enterprise,the predecessor of Wenzhou Keshen Electric MotorManufacturing Co.，Ltd.-Ruian KedaAuto Parts Co., Ltd.,has beendeeply engaged in the research,design, development,and manufacturingofautomotive electric fuel pumps since its establishment in 20o1.With leading technical strength, advanced productionequipment,perfect testingmethods,reliable quality standards,and flexible operatingmechanisms,the company has won the trust of domestic and foreign users.
In terms of product development and design,the company always pursuesexcellence.Currently,the company's product line covers electric gasoline pumps,electric diesel fuel transfer pumps,electric brake vacuum pumps,DRVvalves,metering valves,and other fields. Among them,the company's self-developed electric diesel pump, with its unique technology,solves the problem of short service life of motorsin diesel fuel,achievinga life spanof up to 10,ooo hours. Thiseffectivelyaddresses thedifficultyof cold starts fordiesel engineswith emission standards ranging from National Ill to National VI,eliminating the need for manual exhaust.Inaddition, thecompany's electric brake vacuum pump,developed specifically forturbo charged,electric,and hybrid vehicles,boasts fast vacuum pumping，longservice life,and excellent stability，winning widespread market acclaim.In the field of solenoid valve products, Wenzhou Keshen Electric Motor Manufacturing Co.,Ltd.has invested significant resources in research and development.
溫州科申電機(jī)制造有限公司
WENZHOUKESHEN MOTOR MANUFACTURING CO.,LTD.
12
11000 m2工廠面積FACTORY AREA
GLOBAL 全球市場NETWORK
在國外市場，電動柴油泵的應(yīng)用已相當(dāng)普及。而在國內(nèi)，隨著環(huán)保排放標(biāo)準(zhǔn)的不斷提升，高壓泵的壓力要求越來越高，但其吸力相對較弱。因此，科申電動柴油泵以其強(qiáng)大的吸力成為保證油路暢通、減少冷啟動故障的理想選擇。
In foreign markets,the applicationof electric diesel pumps has beenquite popular.Andin China，withthecontinuous improvement_ofenvironmentalemissionstandards,the pressure requirement of high-pressure pumps is getting higher andhigher，buttheirsuctionpowerisrelativelyweak. Therefore,KESHENelectricdiesel pumpwithitsstrongsuction power hasbecome the ideal choice to ensure thesmooth flow of oil circuit and reduce the cold start failure.
主機(jī)配套客戶CUSTOMERSOFMAINENGINE
玉柴Yuchai一拖 YTO新柴Xinchai萊動Laidong
AMERICA
Argentina Bolivia Brazil Canada Colombia Costa Rica Dominica Ecuador Guatemala Haiti Jamaica Mexico Nicaragua Panama Paraguay Peru Puerto Rico Trinidad and Tobago UnitedStates Venezuela .
EUROPE
Austria Germany Romania Belarus Greece Portugal Belgium Hungary Russia Bulgaria Ireland Slovakia Czech Italy Spain Denmark Netherlands Sweden Finland Norway United Kingdom France Poland .
AFRICA
Angola
benin
Botswana
Cameroon
Cote d'lvoire
Egypt
Ghana
Kenya
Madagascar
Mozambique
Nigeria
South Africa
Sudan
Zambia
ASIA
Bangladesh India
Indonesia
Iraq
Jordan
Kazakhstan Kyrgyzstan Malaysia
Mongolia
Myanmar
Pakistan
Philippines
Saudi Arabia
Sri Lanka
Syria
Thailand
Turkey
Turkmenistan
UnitedArab Emirates
Uzbekistan
Vietnam
China
OCEANIA
Australia NewZealand
Keshen科申 www.keshen.cn
·電動燃油泵 Electric Fuel Pump
·電動柴油輸油泵 Electric Diesel LiftPump
·DRV閥 DRV Valve
燃油計(jì)量閥 FuelMeteringValve
·SCV閥 SCV Valve
電動剎車真空泵Electric Brake VacuumPump
PRODUCTIONABILITY 生產(chǎn)能力
傳統(tǒng)電動燃油泵在柴油發(fā)動機(jī)中的使用壽命往往不足200小時(shí)，而我司匠心打造的科申牌電動柴油泵，則以其卓越的性能脫穎而出，壽命可延長至5000至10000小時(shí)，吸程高達(dá)10米，極大地優(yōu)化了柴油發(fā)動機(jī)的冷啟動表現(xiàn)，特別是在嚴(yán)寒的冬季，它能顯著加快柴油供給速度，是符合國三、國四、國五及國六排放標(biāo)準(zhǔn)的柴油發(fā)動機(jī)的理想之選。
Theservicelifeoftraditional electric fuel pumps indiesel engines isoften lessthan200hours,whileourcraftsmanshiptocreatetheKESHENbrand electricdiesel pumps,stand outwith itsexcellent performance,thelifeof thepumpcanbeextendedto50ooto10oo0 hours,suctionrangeupto10 meters,whichgreatlyoptimizestheperformanceof thediesel engine'scold start,especiallyinthecoldwinter,itcansignificantlyacceleratethespeed ofdieselfuelsupply,anditistheidealchoiceinlinewiththeItisidealfor dieselenginescomplyingwithNational Ill,National IV,NationalVand NationalVlemissionstandards.
5000-10000 Hour
更長的使用壽命LIFEEXTENSIONTIME
R&D
實(shí)驗(yàn)與研發(fā)
科申電動柴油泵采用滾柱泵技術(shù)，通過高速旋轉(zhuǎn)產(chǎn)生強(qiáng)大的吸力，確保柴油在油路中的順暢流動。在寒冷季節(jié)，柴油易變得粘稠，流動性減弱，甚至因空氣侵入而形成氣阻，阻塞從油箱至發(fā)動機(jī)的油路。此時(shí)，科申電動泵便展現(xiàn)出其無可比擬的優(yōu)勢，確保油路的暢通無阻。特別是當(dāng)油箱位置較低或油路較長時(shí)，其效果更為顯著。此外，隨著發(fā)動機(jī)使用時(shí)間的延長，濾清器的堵塞及油路上的污垢沉積會增加油路阻力，而科申電動泵的強(qiáng)大吸力則能有效克服這些阻力，減少因柴油流動不暢而引發(fā)的故障。
安裝科申電動柴油泵后，用戶可選用標(biāo)號較低的柴油，如冬季由原本的20號柴油降為10號柴油，從而節(jié)省燃油費(fèi)用。便捷維護(hù)：更換濾清器后，傳統(tǒng)方式需手動排氣，耗時(shí)費(fèi)力。而科申電動泵則能在幾秒內(nèi)完成此過程，極大提高了維護(hù)效率。
KESHEN electricdiesel pumpadoptsroller pump technology,which generates strongsuctionforce through high rotationtoensure thesmoothflowof diesel in the fuel line. In the cold dieselfueliseasytobecomeviscous, liquidityisweakened and the formation of air resistance, engine.Atthistime, KESHEN toensurethe smooth flow loworthefuelline islong,itseffec rolongeduseofthe engine,
increase powel of the KESHEN esistancesandreduce the failure caused by the poor flow of diesel fuel.
After installing the KESHEN electric diesel pump,theuser canchoosea lower standard diesel fuel, such as winter from the original 20 diesel fuel down to 10 diesel fuel,soastosave fuelcosts.Convenientmaintenance:Afterreplacing thefilter, the traditionalwayistomanuallyexhaust theair,whichis timeconsuming and laborious.The electric pump cancomplete the process ina few seconds,which greatly improves the maintenance efficiency.
INCOMING INSPECTION
PRODUCTION INSPECTION
Material inspection Components inspection
Work following the instructions Routing inspection
99.98% QUALIFIEDPRODUCTS
FINAL INSPECTION
Quantity inspection Appearance inspection
DELIVERY INSPECTION
Packing&Customers specialrequest inspection
ELECTRICFUEL PUMP 電動燃油泵
摒除手動操作繁瑣：科申電動柴油泵徹底替代了手動壓泵，省去了繁瑣的手動排氣步驟，既快捷又省心，為用戶帶來了前所未有的便捷體驗(yàn)。強(qiáng)化冷啟動能力：憑借其卓越的吸力與快速的供油能力，科申泵有效解決了柴油發(fā)動機(jī)在低溫環(huán)境下啟動困難的問題，顯著提升了發(fā)動機(jī)的工作穩(wěn)定性和可靠性。
Eliminatethemanual operationofcumbersome:KESHENelectric dieselpumpcompletelyreplacedthemanualpressurepump, eliminatingthecumbersomemanualexhauststeps,bothfastand hassle-free,fortheusertobringanunprecedentedconvenient experience.Strengthenthecoldstartability:Withitsexcellent suctionpowerandfastoilsupplyabilityKESHENpump effectivelysolvestheproblemofdieselenginestartingdifficulty inlowtemperatureenvironment,whichsignificantlyimprovesthe engine'sworkingstabilityandreliability.
Consistent Fuel Delivery Quieteroperation lmprovedfuelefficiency
Longerlifespan Betterengine performance
Keshen科申
■KS01
CROSS REFERENCE
CROSSREFERENCE
VDO:
E22041,047-993,763011, 9850004,993-763-011Z， 763011Z,E22 041 047Z, E22-041-029Z
V.W: 1H0906091.3A5919051L
1H0906091D
APPLICATION VW,SEAT,OD
APPLICATION
■KS02
CROSSREFERENCE
CROSSREFERENCE
AIRTEX:
E2068.E8335
AC DELCO:
EP432,EP2019H
BOSCH:
0580453427，0580453465
0580453471，0581454001
DELPHI:
FE0150
BOSCH: 0580453482，0580453481，0580453471
APPLICATION FORD，JEEP，OPEL
| APPLICATION |
| NISSAN,HONDA |
■KS02C
CROSSREFERENCE
KS03
CROSSREFERENCE
BOSCH: 0580454035，0580453606 0580453412，0580453465 2112-1139010，815037
96143350,96180403，96180483，
96350078,96351494
APPLICATION LADA
APPLICATION DAEWOO
■KS04
CROSSREFERENCE
CROSSREFERENCE
AIRTEX:
E8254
HYUNDAI:
31111-28300.E8229,E8240,E8213,E3305
HONDA:
17040 S04 LOO,17040S10A01
HYUNDAI:
3111028100,3111123300
ISUZU:
8944794182,8970418763,31111-25000 ISUZU:
5862022350,8943845281， 8944794181,8970418761 MAZDA:
B3C713350.B3E713350
B3E713350A.B3E71335ZB, TOYOTA:
5862022350,8943845281
APPLICATION ISUZU,A,UAI,
電動燃油泵 ELECTRICFUELPUMP
■KS06
CROSSREFERENCE
KS07B
■KS08
Keshen科申
Keshen科申
■KS16
CROSSREFERENCE
IKS16B
CROSSREFERENCE
AIRTEX:
3031,E3210,E3212,E3240,E3265，
E3270,E3271
ACDELCO:
EP189,EP207，EP236,EP240,EP241,
EP243，EP244,EP267,EP277,EP313,
EP329
DELPHI:
FE0039.FE0040,FE0080,FE0102,
FE0112
AIRTEX:
E3211,E3313
ACDELCO:
EP268.EP270,EP306,EP330,
DELPHI:
FE0041,FE0047,FE0114,FE0116
APPLICATION
BUICK,CHEVROLET,BUICK,PONTIAC,
CADILLAC
APPLICATION
BUICK,CHEVROLET,BUICK,PONTIAC,C
ADILLAC
■KS16C
CROSSREFERENCE
IKS16D
CROSSREFERENCE
AIRTEX:
E3919M,E3924M
ACDELCO:
EP240R
AIRTEX:
E3240,E3265,E3270,E3212,E3904,E3906
GM:
25116525
APPLICATION
BUICK,REGAL.GM,
CHEVROLETPONTIAC,CADILAC,FORD
APPLICATION BUICK,GM,CHEVROLETPONTIAC
■KS17
CROSSREFERENCE
■KS17B
CROSSREFERENCE
AIRTEX: E8023 E8272,23220-16190 69407169140,SP1129，P72090， EP293，EP425,23220-43070
AIRTEX:
E3285,E8255
DELPHI:
FE0144,FE0146
SUZUKI:
15100-61B00,15100-61B03,15100-61BT0
TOYOTA:2
3221-42130,23221-50010,
23221 -50020,23221 -74010
APPLICATION
ACURA,AZDA,YOTA,H,
SUZUKI,
APPLICATION HONDA,ISUZU,NISSAN, SUZUKI,
■KS19
CROSSREFERENCE
■KS19B
CROSSREFERENCE
AIRTEX:
E3901,E8224,E3268,E3791
AC ELCO:
EP336,EP383,EP384
DELPHI:
FE0003
KEM:
EFP8186
AIRTEX:
E3902.E3268
OPEL:
815008
AC DELCO:
EP382,EP386,EP387
WALBRO:
5CA401
CHEVROLET:
6472358,6472370,6472374，
6472377,6472421,6472311
APPLICATION
OPEL,BUICK,CADILLAC,CHEVROET
APPLICATION BUICK,CADILAC,CHEVROLET,PONTA
■KS21
■KS22C
■KS23B
）
■KS24B
Keshen科申
■KS26C
CROSS REFERENCE
IKS26D
CROSSREFERENCE
AIRTEX:
E10009
AC DELCO:
EP227,EP280,EP284
BOSCH:
0580464070,0580464048
BOSCH: 0580464051,90323006,90349994 0580254935，0580464068
APPLICATION PEUGEOT,ENAULT,W, CITROEN,G,EATAFAO
APPLICATION PEUGEOTENAULTOPEL,W
■KS26E
CROSSREFERENCE
IKS27
CROSSREFERENCE
BOSCH:
0580464996，0580464997
FIAT,LANCIA:
5968085，7580215,60800164,60805158
AIRTEX:E10008,E8149,E8314
ACDELCO:EP229
BOSCH:
0020919701,0580254910
PIERBURG:7.21659.72.0
APPLICATION FIAT,LANCIA,AFA
APPLICATION AUDIVW,MERCEDES-ENZ,FER
■KS28
CROSSREFERENCE
■KS28B
CROSSREFERENCE
AIRTEX:
E10002,E8177
BENZ:
0020915901,0020918801
PIERBURG:7.21565.71.0
BOSCH:
0580254911,0580254945,0580254946，
0580254950,0580254951,0580464030，
0580464034，0580464040，0580464068
AC DELCO:
EP217EP225
KEN:
EFP7334
PIERBURG:
721565700
BOSCH:
0580464027 0580464044
APPLICATION BENZMERCEDES
APPLICATION PEUGEOT,RENAULT
■KS29
CROSSREFERENCE IKS30
CROSSREFERENCE
FIAT:
60537611
JEEP:
8933063591
PEUGEOT:
14508391539329
RENAULT:
7700739914
BOSCH:
0580453911
OE:93286414，25341709,25347361
APPLICATION PEUGEOT,JEEP,
APPLICATION CHEVROLET,PONTIAC,OLDSMOBILE
Keshen科申
■KS35B
CROSS REFERENCE
CROSSREFERENCE
AIRTEX:E3027ACDELCO: EP24
DELPHI:
FE2001-12B1
KEM:
EFP2003.EFP2035
AIRTEX:
E2003,E2036,E2485,E3903
APPLICATION FORD
APPLICATIOI CHRYSLER
■KS36
CROSSREFERENCE
AIRTEX:
E7063M
BOSCH:
0580464001
WALBRO:
TTP387
CROSSREFERENCE
TTP456,TTP476,96350078,96494976
APPLICATION CITROEN,PEUGEOT
APPLICATION DAEWOOLANCIA,RENAULT
■KS37
CROSSREFERENCE
IKS38
CROSSREFERENCE
AIRTEX:
E8146.E10256
AC DELCO:
EP428
BOSCH:
0580254909,0580254927,0580254931,
0580254932 0580254934，0580254949
DELPHI:
FE0147
BOSCH:
0580254957,0580254961,0580254964,
0580254967
AIRTEX:
E10004,E8150,E8169E8171,E8305,
E8307
BENZ:
0020911301,A0020911301
PIERBURG:
7.21659.70.0
APPLICATION BMW
APPLICATION BMW,PEUGEOTVOLVO
■KS40
CROSSREFERENCE
CROSSREFERENCE
BMW:
1614.1.183.178
BOSCH:
0986580051
AIRTEX:
E8132
VDO:
405052003001,405052003002
V.W:
8A0906091A，8A0906091G
PIERBURG:
7.18259.50.0
BOSCH:
0580453070,0580453071,0580453081
APPLICATION
AUDI
Keshen科申
Keshen科申
電動燃油泵 ELECTRICFUELPUMP
Keshen科申
Keshen科申
CROSSREFERENCE
PARKINGHEATERPUMP
■KE2000
■KE2042
■KE2061
ELECTRICDIESEL LIFTPUMP 電動柴油輸油泵
工作特性：科申電動柴油泵提供兩種工作模式：持續(xù)長時(shí)間工作模式和帶時(shí)間控制器模式。前者適用于需要不間斷供油的場景；后者則能在發(fā)動機(jī)啟動時(shí)自動工作數(shù)分鐘后停止，實(shí)現(xiàn)智能化管理。此外，相較于傳統(tǒng)機(jī)械泵依賴發(fā)動機(jī)轉(zhuǎn)速產(chǎn)生的吸力不穩(wěn)定且較弱的問題，科申電動泵能在發(fā)動機(jī)啟動前預(yù)先工作，確保油路暢通無阻，為發(fā)動機(jī)的正常啟動提供有力保障。
WorkingCharacteristics:KESHENelectricdiesel pumpsprovidetwo workingmodes:continuouslongtimeworkingmodeandmodewith timecontroller.Theformerissuitableforscenariosthatrequire uninterruptedfuelsupply;thelattercanautomaticallyworkforseveral minutesandthenstopwhentheengineisstarted,realizingintelligent management.Inaddition,comparedwiththetraditionalmechanical pumpsthatrelyonenginespeed toproduceunstableandweak suction, KESHENelectricpumpscanworkbeforetheenginestartstoensurethat theoil circuit isunobstructed,providinga strong guarantee for the normal start of theengine.
lmproved fuelefficiency
Betterengine performance
Keshen科申
Keshen科申
Keshen科申
Keshen科申
DRVVALVE DRV閥
DRV閥是柴油高壓共軌的壓力調(diào)節(jié)閥，主要由線圈、鐵芯（或銜鐵芯）、閥體及控制電路等部件組成。當(dāng)DRV閥未通電時(shí)，線圈中沒有電流通過，因此不會產(chǎn)生磁場，閥座和閥體之間的通道打開，軌壓不能形成。線圈通電的時(shí)候，產(chǎn)生磁場，磁場吸引銜鐵芯移動，將閥體的通道封住，使得燃油無法流通或流通量很小，從而導(dǎo)致軌壓上升。閥座孔打開的程度直接決定了油軌內(nèi)壓力的大小。通過這種方式，DRV閥可以實(shí)現(xiàn)對燃油壓力的精確控制。
TheDRV valveisa pressureregulating valve fordiesel high-pressure commonrail,mainlycomposedofacoil,anironcore (orarmature core),a valve body,andacontrol circuit.WhentheDRVvalveisnot energized,thereisnocurrentflowingthroughthecoil,sono magnetic field isgenerated,and thechannel between thevalveseat andthevalvebodyisopen,preventingtherailpressurefrom forming.Whenthecoil isenergized,it generatesamagnetic field thatattractsthearmaturecore to nove,sealingthechannelofthe valvebody,makingitimpossibleordifficult forfuel to flow, thereby causingtherail pressure torise.Thedegreeof openingof thevalve seat hole directly determines the pressure inside the fuel rail.In this way,the DRVvalve canachieve precise control offuel pressure.
FUELMETERING& SCVVALVE 燃油計(jì)量閥&SCV閥
燃油計(jì)量閥，又稱為進(jìn)油計(jì)量單元比例閥，通常安裝在高壓油泵的進(jìn)油側(cè)。該閥由ECU（電子控制單元）通過發(fā)送精確的信號進(jìn)行控制，當(dāng)ECU發(fā)出控制信號，電流通過燃油計(jì)量閥的線圈時(shí)，線圈內(nèi)部會產(chǎn)生強(qiáng)大的電磁場。這個(gè)電磁場吸引閥芯（或銜鐵芯）向閥座方向移動，從而改變閥體與閥座之間的通道面積。閥芯的移動程度決定了通道的開度，也即決定了進(jìn)入高壓油泵柱塞腔的燃油量。通過調(diào)整燃油計(jì)量閥的開度，ECU能夠精確控制進(jìn)入高壓油泵的燃油量，進(jìn)而調(diào)節(jié)共軌管內(nèi)的燃油壓力，使其保持在設(shè)定的穩(wěn)定范圍內(nèi)。這種精密的控制機(jī)制確保了發(fā)動機(jī)在不同工況下都能獲得恰到好處的燃油供應(yīng)，提高了燃油利用率，降低了排放，并優(yōu)化了發(fā)動機(jī)的性能和效率。
Thefuel meteringvalve,alsoknownastheproportional fuel inletmetering unit valve,istypicallyinstalledonthefuelinletsideofthehigh-pressurefuelpump ThisvalveiscontrolledbytheECU(ElectronicControl Unit)through precisesignal transmission.WhentheECUsendsacontrolsignal，currentflowsthroughthecoil ofthefuelmeteringvalve,generatingapowerful electromagneticfield inside the coil.Thiselectromagneticfieldatractsthevalvecore (orarmaturecore) towards thevalve seat, therebyaltering thechannel area between the valve bodyand the valveseat.Theextentof valvecoremovementdeterminesthe openingof the channel,whichinturndeterminestheamountof fuelentering the plunger chamberofthe high-pressure fuelpump.Byadjustingtheopeningof thefuel meteringvalve，theECUcanpreciselycontroltheamountoffuel enteringthe high-pressure fuel pump,subsequentlyregulatingthe fuel pressurewithin the commonrail,maintaining itwithinapredetermined stablerange.Thissophisticated control mechanism ensuresthat the engine receives theoptimal amountof fuel supplyundervaryingoperatingconditionsenhancingfueleficiencyreducing emissions,and optimizing engine performance and efficiency.
