Pneumatic apparatus for the rotation of valve rods

Details Pneumatic apparatus for the rotation of valve rods Pneumatic apparatus for the rotation of valve rods

1977-07-27

1979-11-20

Maslousky, Paul E.

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

92171, F01C 900, F16J 1104

Patent

active

041746554

ABSTRACT:
A pneumatic apparatus for the rotation of a valve rod having a box-design body with a cylindrical seat, on the inner wall of which there is disposed a static resilient gasket, shaped so as to convert the said cylindrical seat to an almost 8-shaped configuration. In this manner, the cylindrical seat is divided into two half-chambers communicating with each other and each of them communicating with the inside, through cross tubular lines.

REFERENCES:
patent: 2256470 (1941-09-01), Peo et al.
patent: 2314493 (1943-03-01), Guy
patent: 2316356 (1943-04-01), Nette et al.
patent: 2966144 (1960-12-01), Self
patent: 2984221 (1961-05-01), Voorhees
patent: 3049103 (1962-04-01), Dumm
patent: 3053236 (1962-09-01), Self et al.
patent: 3180178 (1965-04-01), Brown et al.

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