Slipper holddown device for an axial piston pump

Details Slipper holddown device for an axial piston pump Slipper holddown device for an axial piston pump

1995-02-28

1996-05-14

Ryznic, John E.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

91505, 4172221, F01B 300, F01B 1304, F01B 126

Patent

active

055157688

ABSTRACT:
An axial piston hydraulic device includes a holddown device for maintaining the slippers swivably connected to pistons in sliding contacting with a cam surface of a swashplate. The holddown device also includes a nested wave spring disposed to resiliently urge a holddown sleeve away from a cylinder barrel for biasing a holddown plate engaging the slippers toward the cam surface.

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patent: 4615257 (1986-10-01), Valentin
patent: 4620475 (1986-11-01), Watts
patent: 4710107 (1987-12-01), Kanies
patent: 5017096 (1991-05-01), Sugiura et al.
patent: 5251537 (1993-10-01), Hoshino et al.
patent: 5279205 (1994-01-01), Carlson, Jr. et al.
patent: 5406878 (1995-04-01), Freeman et al.

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