Fuel injection pumping apparatus

Details Fuel injection pumping apparatus Fuel injection pumping apparatus

1977-02-28

1979-01-02

Freeh, William L.

Pumps

Expansible chamber type

Moving cylinder

123139AQ, F04B 2900, F02M 3900

Patent

active

041325087

ABSTRACT:
A fuel injection pumping apparatus includes an angularly adjustable cam ring having cam lobes which co-act with rollers to effect inward movement of a pumping plunger. The cam ring is connected to a piston which due to the reaction of the rollers with the cam lobes, develops a pressure acting on a plunger element. The plunger element is spring loaded and when the pressure exceeds a predetermined value the cam ring will be allowed to move angularly to adjust the injection characteristic of the pump.

REFERENCES:
patent: 2407013 (1946-09-01), Fleed
patent: 2877754 (1959-03-01), Roosa
patent: 2902017 (1959-09-01), Neap
patent: 2910975 (1959-11-01), Evans
patent: 3416505 (1968-12-01), Barber
patent: 3486492 (1969-12-01), Gehnerer
patent: 3943902 (1976-03-01), Skinner

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