Power plants – Pressure fluid source and motor – Having condition responsive control in a system of distinct...
Patent
1985-12-13
1988-04-26
Michalsky, Gerald A.
Power plants
Pressure fluid source and motor
Having condition responsive control in a system of distinct...
60428, 60445, F15B 1116
Patent
active
047396164
ABSTRACT:
A displacement control for a variable displacement hydraulic motor wherein the control is a summing pressure compensator control which is responsive to the pressures of a plurality of loads so that the average, weighted average, or total pressures of the loads can be sensed to generate a control signal for increasing the displacement of at least one motor when the plurality of pressures have a sum or average above a predetermined level. The summing pressure compensator control can also include an overpressure sensing device which is responsive to the pressure of one load, or the highest pressure of more than one load, to also provide a control signal to increase motor displacement. The increase in motor displacement limits the pressure of the motor system.
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Joike Trevor B.
Michalsky Gerald A.
Sundstrand Corporation
Wanner James A.
Williamson Harold A.
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