China Yakagadzira Nyowani Yakajairwa Rail Fuel Injector Control Valve Assembly F00RJ01924 yeInjector 0445120296 & 0445120102

Iyo yakajairika njanji system prototype yeinjini dzemotokari yakagadziridzwa mukupera kwema1960 naRobert Huber wekuSwitzerland, uye tekinoroji yakagadziridzwa zvakare naDr. Marco Ganser paSwitzerland Federal Institute of Technology muZurich, gare gare yeGanser-Hydromag AG muOberägeri.

Iyo yakajairwa njanji sisitimu inokodzera marudzi ese emota dzemumugwagwa dzine injini dzedhiziri, kubva kumotokari dzemuguta (senge Fiat Panda) kuenda kumotokari huru (senge Audi A8).Vatengesi vakuru vemazuva ano anojairwa njanji masisitimu iBOSCH, Delphi, Denso, uye Siemens VDO (yava kunzi Continental AG)

Muchitima masisitimu enjanji, pombi inotsikirira yakakwira inochengeta dura remafuta pakumanikidza kwakanyanya-kusvika uye pamusoro pe2,000 bars (200 MPa; 29,000 psi).Izwi rekuti "rail rail" rinoreva chokwadi chekuti ese emafuta majekiseni anopihwa neyakajairika mafuta njanji iyo isiri chinhu kunze kwekumanikidza accumulator uko mafuta anochengetwa pakumanikidza kwakanyanya.Iyi accumulator inopa akawanda majekiseni emafuta ane high-pressure mafuta.Izvi zvinorerutsa chinangwa chepombi yepamusoro-soro mukuti inongoda kuchengetedza chinangwa chekumanikidza (zvichida zvemagetsi kana zvemagetsi).Iwo majekiseni emafuta anowanzo kudzorwa neiyo injini control unit (ECU).Kana majekiseni emafuta akabatidzwa nemagetsi, hydraulic valve (inosanganisira mhuno uye plunger) inovhurwa nemuchina kana hydraulically uye mafuta anopfapfaidzwa mumasirinda pakumanikidzwa kwaunoda.Sezvo mafuta ekumanikidza simba achichengeterwa kure uye majekiseni achibatidzwa nemagetsi, kudzvanywa kwejekiseni pakutanga uye kupera kwejekiseni kuri padyo nekudzvanywa mu accumulator (njanji), nekudaro ichigadzira chiyero chejekiseni.Kana iyo accumulator, pombi, uye pombi dzemvura zvakakura zvakanaka, kudzvanywa kwejekiseni uye chiyero chichafanana kune chimwe nechimwe chezviitiko zvejekiseni.

Chizvarwa chechitatu[zvisina kujeka] zvakajairika njanji madhiziri ikozvino ane piezoelectric majekiseni ekuwedzera kunyatsoita, nemafuta emafuta anosvika 2,500 bar (250 MPa; 36,000 psi).