Control device for a fuel injection pump

Details Control device for a fuel injection pump Control device for a fuel injection pump

1990-02-02

1991-07-16

Smith, Leonard E.

Pumps

Expansible chamber type

Pumping member position controlled port

417494, 123496, 123503, F04B 704, F02M 3704

Patent

active

050320661

ABSTRACT:
A control device for a piston of a fuel injection pump actuated by a push rod and a cam, wherein the cam profile successively comprises: a slope which causes the piston to advance rapidly; a slope which causes the piston to return slowly until it covers a fuel supply port; a slope which causes the piston to return rapidly; a level stage; and, finally, a slope which causes the piston to continue the return stroke.

REFERENCES:
patent: 1636998 (1927-07-01), Junkers
patent: 2173811 (1939-09-01), Bischof
patent: 4029071 (1977-05-01), Saito
patent: 4163634 (1979-08-01), Powers
patent: 4962793 (1990-10-01), Perr

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