Rotary hydraulic actuator

Details Rotary hydraulic actuator Rotary hydraulic actuator

1997-03-24

1998-09-29

Denion, Thomas E.

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

92125, 921701, 277165, F01C 900

Patent

active

058133160

ABSTRACT:
In a rotary hydraulic actuator wherein a hermetic casing has the inside divided into a first hydraulic chamber and a second hydraulic chamber by a vane slidably rotatable on an inner curved wall of the casing, the vane is rotatable by an oil pressure supplied to the respective chambers, and the movement of the vane is taken out from an output shaft, the inner wall of the casing which is in sliding contact with the vane is formed with a polytetrafluoroethylene sliding member.

REFERENCES:
patent: 3554096 (1971-01-01), De Jager
patent: 4042747 (1977-08-01), Breton et al.
patent: 4474105 (1984-10-01), Eicher et al.
patent: 4611530 (1986-09-01), Stoll et al.
patent: 4784047 (1988-11-01), Stoll et al.
patent: 4817504 (1989-04-01), Lieberman
patent: 5332236 (1994-07-01), Kastuhara et al.
patent: 5701799 (1996-03-01), Granberg

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