Liquid fuel injection pumping apparatus

Details Liquid fuel injection pumping apparatus Liquid fuel injection pumping apparatus

1981-05-07

1983-12-06

Croyle, Carlton R.

Pumps

With condition responsive pumped fluid control

Driven pump part speed responsive

417461, 417462, 417221, 123502, F04B 1902, F04B 2900

Patent

active

044190549

ABSTRACT:
A liquid fuel injection pumping apparatus of the rotary distributor type includes a cam ring which is angularly adjustable to vary the timing of delivery of fuel. The setting of the cam ring is determined by a piston in which is located a servo valve. The servo-valve has a land to control fluid flow into a cylinder containing the piston. The servo valve is spring biased and a wedge is provided between a cylindrical member engaged by a spring and the servo-valve, the wedge being movable to alter the distance of the portion of the land which controls fluid flow of the servo valve. The wedge is coupled to the output member of a speed responsive device, the output member also being coupled to a fuel quantity control of the apparatus so that the setting of the cam ring depends upon the amount of fuel delivered by the apparatus.

REFERENCES:
patent: 4074667 (1978-02-01), Skinner

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