Control device for the speed control of pneumatic and/or hydraul

Details Control device for the speed control of pneumatic and/or hydraul Control device for the speed control of pneumatic and/or hydraul

1977-06-03

1979-03-20

Geoghegan, Edgar W.

Fluid handling

Systems

Multi-way valve unit

13762538, 251 57, 251206, 60581, F16K 152, F16K 154

Patent

active

041449045

ABSTRACT:
A control device for controlling the speed of power pistons and machine elements driven by the pistons with a signal transmitter coupled to the elements, a pressure transducer producing an output from the transmitted signal having an incrementally variable transmission ratio and a throttle device with a plurality of differently shaped orifices controlled by the transducer output.

REFERENCES:
patent: 2127877 (1938-08-01), Maglott
patent: 2157707 (1939-05-01), Keel
patent: 2194078 (1940-03-01), Simonds
patent: 2852965 (1958-09-01), Wallace
patent: 3588076 (1971-06-01), Ammerman

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