Swashplate actuating device for axial piston pumps and motors

Details Swashplate actuating device for axial piston pumps and motors Swashplate actuating device for axial piston pumps and motors

1994-05-03

1995-04-18

Thorpe, Timothy S.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

91505, 4172221, 417269, F01B 300

Patent

active

054068789

ABSTRACT:
Transmitting actuating forces from an actuator to a swashplate of an axial piston unit through a pin extending from a lever of the swashplate induces torsional stresses in the lever. The present invention overcomes this problem by securing a lever to a swashplate so that a distal end portion thereof extends into a slot of an actuator. The distal end portion has a cylindrical shaped surface pivotally seated in a mating socket formed in a slide block positioned within the actuator slot. The actuating forces transmitted from the actuator to the lever are thus transmitted in a straight line motion with minimal torsional stresses introduced into the lever.

REFERENCES:
patent: 4426195 (1984-01-01), Herbert et al.
patent: 4508011 (1985-04-01), Nolden
patent: 4584926 (1986-04-01), Beck et al.
patent: 4896583 (1990-01-01), Lemke

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