Dual cylinder linear servo motor

Details Dual cylinder linear servo motor Dual cylinder linear servo motor

1979-06-04

1982-02-02

Maslousky, Paul E.

Motors: expansible chamber type

Relatively movable working members with one having motive...

Moving cylinders

91180, 91210, 91361, 91451, F01L 3302, F01B 1504, F15B 1316

Patent

active

043133649

ABSTRACT:
Servoactuator includes a pair of double-acting linear actuators providing for 360.degree. controlled rotation of an output shaft. The rotary motion of the ouput shaft is employed to sequence high pressure fluid flow and return for the same to the respective ends of the respective actuators so that both actuators continuously develop output force except for end stroke points. Shimmy damping may also be obtained by a bypass-damping valve which comprises a shuttle movable to a first position by high pressure fluid for controlled operation of the servoactuator and to a second position by removal of the high pressure fluid to direct fluid flow between the respective actuators through a damping orifice.

REFERENCES:
patent: 381678 (1888-04-01), Brisey
patent: 1530881 (1925-03-01), Burks
patent: 1989212 (1935-01-01), Pascolini
patent: 3090362 (1963-05-01), Rolls
patent: 3129644 (1964-04-01), Anderson
patent: 3182455 (1965-05-01), Racicot
patent: 3220316 (1965-11-01), Kummermon
patent: 3696710 (1972-10-01), Prtelli

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