Axial piston pump

Details Axial piston pump Axial piston pump

1994-07-05

1996-07-23

Freay, Charles

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417269, 92 57, F04B 126

Patent

active

055384013

ABSTRACT:
A variable displacement axial piston pump has a plurality of piston bores each connected to an inwardly angled fill port. The fill ports extend from the piston bores inwardly to the working face of the barrel to reduce the diameter of the fill circle of a pump. This decreases the velocity that must be attained by incoming fluid to thereby increase the operating speed at which the pump may be driven where the pump is filled at atmospheric pressure.

REFERENCES:
patent: 3699845 (1972-10-01), Ifield
patent: 4520712 (1985-06-01), Havorka et al.
patent: 4668171 (1987-05-01), Beutler et al.
patent: 4934251 (1990-06-01), Barker
patent: 5363740 (1994-11-01), Coakley

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