Pumps – Condition responsive control of pump drive motor – By controlling drive motor motive fluid
Patent
1984-07-09
1986-05-27
Croyle, Carlton R.
Pumps
Condition responsive control of pump drive motor
By controlling drive motor motive fluid
417381, 60 3925, 60 3947, 137522, F04B 4900, F04B 1700, F02C 900, F02C 326
Patent
active
045913145
ABSTRACT:
A hydraulic power supply system utilizing a turbine-driven pump in a hydraulic circuit and a solid propellant gas generator providing gas for driving the turbine. A gas pressure relief valve is operable to maintain the gas generator at constant pressure and has a range of pressure settings to vary the burn rate of gas generator and, thus, the power delivered to the turbine dependent upon the flow demands on the pump. There is a relatively low pressure setting when there is a reduced flow demand on the pump. The control provided by the settable hot gas relief valve reduces the size and weight of a number of components of the hydraulic supply system.
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Croyle Carlton R.
Neils Paul F.
Sundstrand Corporation
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