Variable rate pump

Details Variable rate pump Variable rate pump

1995-06-02

1997-03-25

Freay, Charles G.

Pumps

Three or more cylinders arranged in parallel, radial, or...

Radial cylinders

417462, 417487, 417492, 417498, 123450, F04B 104

Patent

active

056138393

ABSTRACT:
A variable rate pump including a distributor member rotatable within a sleeve. The distributor member is provided with a bore within which a pumping plunger is reciprocable under the influence of a first cam lobe and a second cam lobe. A valve is provided for selecting whether fuel is supplied due to the motion of the plunger under the influence of the first cam lobe or the second cam lobe. An arrangement is also provided in which the distributor member carries first and second plungers each reciprocable under the influence of respective cam lobes. A valve is provided for selecting whether the fuel is supplied by the first plunger or by the second plunger.

REFERENCES:
patent: 3046905 (1962-07-01), Davis
patent: 3936233 (1976-02-01), Bonin
patent: 4564341 (1986-01-01), Tanaka
patent: 5345916 (1994-09-01), Amann et al.
patent: 5425341 (1995-06-01), Connolly et al.

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