Servo system method and apparatus servo valve apparatus therefor

Details Servo system method and apparatus servo valve apparatus therefor Servo system method and apparatus servo valve apparatus therefor

1984-08-15

1987-02-10

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29444, 29512, 137 85, 137512, 13761401, 13763013, 251356, B21D 5300, B23P 1500

Patent

active

046414053

ABSTRACT:
Pressure fluid operated servo system method and apparatus including a servo valve operable by an input signal to effect a system output movement; and which servo valve is responsive to the time rate of input signal receipt to vary a gain ratio of system output magnitude compared to input signal value; and method of making such a servo valve.

REFERENCES:
patent: 2634752 (1953-04-01), Bertea
patent: 3334397 (1967-08-01), Lewakowski
patent: 3913421 (1975-10-01), Hawkins
patent: 4084304 (1978-04-01), Meyers
patent: 4106750 (1978-08-01), Karden et al.
patent: 4151856 (1979-05-01), Burrus
patent: 4337798 (1982-07-01), Zettergren
patent: 4447944 (1984-05-01), Mohrman
Mandel, Siegfried; Dictionary of Science (Sixth Printing); Dell Publishing Company, New York, NY. (1977), at 349 (Definition of "Valve").

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