F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/135
F02M 57/02 (2006.01) F02M 59/36 (2006.01) F02M 59/46 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1206045
ELECTROMAGNETIC UNIT FUEL INJECTOR Abstract of the Disclosure An electromagnetic unit fuel injector for use in a diesel engine includes a housing with a pump therein defined by an externally actuated plunger reciprocable in a bushing and defining therewith a pump chamber for the discharge of fuel to a spring biased, pressure actuated fuel injection nozzle, The pump chamber is also connected to a fuel chamber via a solenoid actuated, normally open, pressure balanced control valve controlled passage to permit the ingress and egress of fuel. The solenoid and control valve are located concen- trically with respect to the plunger. During a pump stroke, the solenoid can be energized to move the valve in position to block flow from the pump chamber to the fuel chamber so as to allow the pressurization of fuel by the pump to effect dis- charge of fuel from the injection nozzle.
459980
General Motors Corporation
Gowling Lafleur Henderson Llp
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