Axial piston pump having a blocking valve in a manually controll

Details Axial piston pump having a blocking valve in a manually controll Axial piston pump having a blocking valve in a manually controll

1990-06-04

1991-12-31

Look, Edward K.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

91506, 417222R, F01B 302

Patent

active

050761455

ABSTRACT:
A manual servo control valve for variable displacement axial piston pump incorporating a blocking mechanism which serves to block the inlet and outlet ports of the valve when the valve is not operating to change the displacement of the pump.

REFERENCES:
patent: 2625168 (1953-01-01), Charlson
patent: 2778378 (1957-01-01), Presnell
patent: 3126706 (1964-03-01), Dettinger
patent: 3129720 (1964-04-01), Allen et al.
patent: 3272085 (1966-09-01), Hajma
patent: 3381624 (1968-05-01), Born
patent: 3908519 (1975-09-01), Born et al.
patent: 3908687 (1975-09-01), Wood
patent: 3967541 (1976-07-01), Born et al.

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