Rotary to linear servo mechanisms

Details Rotary to linear servo mechanisms Rotary to linear servo mechanisms

1977-10-31

1981-01-20

Cohen, Irwin C.

Motors: expansible chamber type

Constantly applied motive fluid with controlled venting

Fluid vented through working member

91375R, 91422, F15B 1304

Patent

active

042455472

ABSTRACT:
A rotary to linear servo mechanism for converting low force mechanical rotary motion into hydraulic motion is provided which includes a piston linearly movable in one end of a bore and a valve rotatably mounted in the other end of the bore for cooperation with the piston to selectively deliver pressure fluid to opposite sides of the piston to move said piston selectively in either direction in said bore.

REFERENCES:
patent: 1449736 (1923-03-01), Degen
patent: 2132486 (1938-10-01), Lichte
patent: 2434668 (1948-01-01), May
patent: 2992633 (1961-07-01), Stiglic et al.
patent: 3106224 (1963-10-01), Moss et al.

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