Hydrostatic axial piston machine

Details Hydrostatic axial piston machine Hydrostatic axial piston machine

1997-03-03

2000-12-05

Thorpe, Timothy S.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417218, 92 71, 92 122, F04B 126

Patent

active

061557986

ABSTRACT:
A hydrostatic axial piston machine employs a swash plate construction in which the diagonal position of the swash plate can be controlled by at least one positioning piston pressurized with a control pressure. A control valve is in a line which leads to at least one positioning piston. A simple electrical-hydraulic control of the swash plate can be accomplished by the electrical actuation of the control valve. The control valve may be in the form of a rotary disk valve which can be actuated by a stepper motor.

REFERENCES:
patent: 3733970 (1973-05-01), Bosch
patent: 3905274 (1975-09-01), Week et al.
patent: 3974715 (1976-08-01), Habiger
patent: 4426911 (1984-01-01), Robinson et al.
patent: 5066201 (1991-11-01), Nagai et al.

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