Actuator seal arrangement

Details Actuator seal arrangement Actuator seal arrangement

1987-08-20

1988-10-04

Garrett, Robert E.

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

92125, 277 81P, 277 961, F01C 900

Patent

active

047748753

ABSTRACT:
A seal arrangement for use in a rotary actuator having a housing and an end wall where a shaft extends through an aperture in the end wall and and carries a vane, a stator assembly is provided and directly inwardly from the housing having an end edge in adjacent relation with the end wall and a longitudinal edge adjacent the shaft. A groove is provided extending longitudinally along the end edge and the longitudinal edge and is adapted to receive a generally rectangular stator seal member so the stator seal member end edge abuts the end wall to provide a fluid seal therebetween and where an annular groove is provided around the shaft receiving aperture and is adapted to receive a generally circular ring seal. The generally circular "O" ring seal includes a tab member having a thickness less than the thickness of the "O" ring member and the tab extends radially outwardly from the "O" ring member parallel to the groove of the end edge to engage the stator seal member.

REFERENCES:
patent: 4009644 (1977-03-01), Higuchi et al.
patent: 4474105 (1984-10-01), Eicher et al.
patent: 4475738 (1984-10-01), Eicher et al.
patent: 4495856 (1985-01-01), Sollami
patent: 4565119 (1986-01-01), Higuchi

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