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1. (EP3150839) FUEL INJECTOR

المكتب : المكتب الأوروبي للبراءات (EPO)
رقم الطلب: 16190307 تاريخ الطلب: 23.09.2016
رقم النشر: 3150839 تاريخ النشر: 05.04.2017
نوع النشر: B1
الدول المعينّة: AL,AT,BA,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LI,LT,LU,LV,MC,ME,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,TR
التصنيف الدولي للبراءات:
F02M 47/02
F02M 61/20
F02M 63/00
Description not available in lang arDescription not available in lang arDescription not available in lang ar
التصنيف التعاوني للبراءات:
F02M 47/027
F02M 61/20
F02M 63/0029
F02M 63/0045
F02M 2200/28
المتقدمون: DELPHI INT OPERATIONS LUXEMBOURG SARL
المخترعون: THIBAULT THIERRY
RODIER NICOLAS
بيانات الأولوية: 201517148 29.09.2015 GB
العنوان: (DE) KRAFTSTOFFEINSPRITZVENTIL
(EN) FUEL INJECTOR
(FR) INJECTEUR DE CARBURANT
الملخص: front page image
(EN) A fuel injector (10) for a compression ignition internal combustion engine is described. The fuel injector (10) comprises a fuel injection valve having an injection valve member (14) moveable, in use, under the influence of fuel pressure within a control chamber (20) acting upon it, between a closed position and an open position. The fuel injector comprises a moveable plate (28) located inside the control chamber (20). The moveable plate (28) is configured to move into and out of contact with a sealing surface (34) of the control chamber (20). The moveable plate (28) includes an inlet orifice (38) and a spill orifice (40). The provision of inlet and spill orifices (38, 40) in the moveable plate allows both orifices to be made very small, resulting in a significant reduction in dynamic leakage. An embodiment of the invention is described in which the moveable plate (28) defines additional fluid channels (60a, 60b, 62a, 62) for high pressure fuel entering the control chamber (20) when the moveable plate (28) is moved out of sealing contact with the sealing surface (34) of the control chamber (20). The additional flow paths allow high pressure fuel to enter the control chamber (20) bypassing the inlet orifice, resulting in a rapid termination of an injection event.