Rotary actuator

Details Rotary actuator Rotary actuator

1975-04-02

1977-03-01

Maslousky, Paul E.

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

F01C 900

Patent

active

040096440

ABSTRACT:
In a rotary actuator having a relatively small angle of rotation comprising a cylinder having a sectoral section and a vane slidably moving within the cylinder, a sectoral cylindrical seal member of synthetic resin is fitted in contact with the inner surface of the cylinder, and compressed axially by means of end covers. Thus, the seal member in cooperation with a packing provided on the outer surface of the vane prevents leakage of fluid through the corners of the surface on which the vane slides. Manufacturing of the vane in this case may be facilitated by bonding a gasket to the bottom of the peripheral groove of the vane so as to place the packing on the gasket.

REFERENCES:
patent: 3030934 (1962-04-01), Herbst
patent: 3215046 (1965-11-01), Drake
patent: 3286602 (1966-11-01), Butner et al.
patent: 3659503 (1972-05-01), Ehluss
patent: 3688645 (1972-09-01), Reaves
patent: 3750535 (1973-08-01), Higuchi

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