Timing mechanism for a fuel supply system

Details Timing mechanism for a fuel supply system Timing mechanism for a fuel supply system

F - Mech Eng,Light,Heat,Weapons

02

M

123/119, 123/137

F02M 57/02 (2006.01) F02M 59/30 (2006.01)

Patent

CA 1086588

ABSTRACT OF THE DISCLOSURE This disclosure deals with a mechanism for adjusting the timing of initiation of injection by a fuel injector of an internal combustion engine. The mechanism includes a piston connected to be moved by a drive for the injector, and another piston which is connected to move the plunger of the injector. timing fluid supply is provided for metering fuel in- to a timing chamber formed between the two pistons. The timing fluid forms a variable length hydraulic link between the two pistons, and the length of the link determines the timing of initiation of injection. The mechanism further includes pressure relief means for releasing a portion of the timing fluid after the termination of injection, the relief means comprising a pressure responsive valve.

293987

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