Fluid handling – Systems – With flow control means for branched passages
Patent
1979-12-03
1984-12-25
Michalsky, Gerald A.
Fluid handling
Systems
With flow control means for branched passages
91 52, 137885, F15B 13043
Patent
active
044897570
ABSTRACT:
An electrically actuated servocontrol system for a static pressure-operated load is connected to a supply of hydraulic fluid under pressure. The supply has an outlet port and a return port. A relief means is connected across the supply port for maintaining the supply at a constant pressure. A servocontrol valve has its inlet coupled to the outlet of the outlet port of the supply and its outlet coupled through a flow restrictor to the return sump of the power supply. The load is coupled between the output of the servocontrol valve and the flow restrictor. The flow restrictor also includes means for adjustably varying the amount of restriction so that the function of the servovalve can be made with linear variations in input control signals.
REFERENCES:
patent: 2800143 (1957-07-01), Keller
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patent: 3023781 (1962-03-01), Larsen
patent: 3245424 (1966-04-01), Olsen
patent: 3964518 (1976-06-01), Hesse et al.
patent: 4066103 (1978-01-01), Tandrup
patent: 4114650 (1978-09-01), Gordon
patent: 4126293 (1978-11-01), Zeuner et al.
Conoco Inc.
Michalsky Gerald A.
Miller William J.
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