Seal for rotary actuator

Expansible chamber devices – Oscillating working member or cylinder therefor – Oscillatory shaft with radially extending vane

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Details

277 27, 277 81P, F01C 900

Patent

active

045108501

ABSTRACT:
A vane-type hydraulically powered rotary actuator having a shaft provided with a radially extending vane. The shaft is rotatably carried inside a generally cylindrical actuator chamber formed in the housing of the rotary actuator. The vane includes a pair of end walls which move adjacent the actuator housing during operation of the rotary actuator. Improved means are provided for sealing the space between the end walls of the vane and the actuator housing during operation of the actuator.

REFERENCES:
patent: 3032020 (1962-05-01), Sneen
patent: 3049103 (1962-08-01), Dumm
patent: 3592104 (1971-07-01), Harness

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