Axial piston pumps

Details Axial piston pumps Axial piston pumps

1976-05-24

1978-02-07

Freeh, William L.

Pumps

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

F04B 114

Patent

active

040724441

ABSTRACT:
The invention pertains to improvements to axial piston pumps of the type comprising, in combination, at least a plurality of annularilly distributed pistons housed in cylinders of a fixed block and in permanent contact with an inclined plate fixed to a pump shaft, an annular rotatable valve mounted on an eccentric fixed to said shaft, and means ensuring an axial hydrostatical compensation, characterized in that said means comprise, for each piston housing, a pocket provided in said block and an axially movable bobbin housed in said pocket, said pocket and bobbins facing an annular flange carried by the shaft of the pump.

REFERENCES:
patent: 3498227 (1970-03-01), Rita
patent: 3556683 (1971-01-01), Schott et al.
patent: 3954353 (1976-04-01), Mokasch

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