Power plants – Pressure fluid source and motor – Condition responsive control of pump or motor displacement
Patent
1979-02-21
1980-03-25
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Condition responsive control of pump or motor displacement
60452, 417212, F16H 3946
Patent
active
041943635
ABSTRACT:
A fluid horsepower control system is adapted to operate a fluid load by output of a variable delivery pump having a control cylinder governed by a pressure compensated variable orifice connected in multiple with a load sense control valve for causing fluid flow to be inversely proportional to pump discharge pressure and maintaining constant drop across the orifice, without requiring mechanical feedback from the variable delivery pump to the load sense control valve.
REFERENCES:
patent: 3191382 (1965-06-01), Weisenbach
patent: 3856436 (1974-12-01), Lonnemo
FitzGerald Thomas R.
General Signal Corporation
Geoghegan Edgar W.
Mednick Jeffrey S.
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