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公开(公告)号:EP0168400B1
公开(公告)日:1991-12-11
申请号:EP84901381.8
申请日:1984-03-26
申请人: SOLEX S.A.
发明人: PAGDIN, Brian, Colin
CPC分类号: F02M51/0632 , F02D2200/0606 , F02M61/161 , F02M61/166 , F02M2051/08 , Y10S239/90 , Y10T137/7737
摘要: An electromagnetically-operable fuel injector comprising a fuel chamber (44) having an outlet nozzle (15) and into which a solenoid core (28) projects. A ball valve (41) in the gap between the core (28) and the nozzle orifice IS movable towards and away from the core (28) by energisatin of an electromagnetic circuit to seat and unseat from a valve seat (39) around the nozzle orifice. Compensating means are provided which respond to changes in temperature by changing a physical characteristic. The compensating means function either to change the length of the core (28) or to adjust the position of the valve seat (39) relative to the core (28) such that any tendency for fuel metering characteristics of the injector to be changed by a change in temperature in the injector is countered whereby operation of the injector to inject fuel is substantially independent of temperature change.