Prime-mover dynamo plants – Electric control – Fluid-current motors
Patent
1983-04-21
1985-02-05
Truhe, J. V.
Prime-mover dynamo plants
Electric control
Fluid-current motors
290 55, 417 35, 416 44A, F03D 1702, F03D 4902, F04B 4900
Patent
active
044980175
ABSTRACT:
A wind machine turns a shaft to activate a multi-stage positive displacement pump having intake and discharge means respectively coupled to intake and discharge fluid lines in a recirculating hydraulic system. Control means regulates the operative positions of the intake means, discharge means or separate idling means to remove selected stages from effective pumping while at the same time fluid passes into and from the selected stages. The stages can be of different capacities and selected groups or all of them may be periodically idled by a common or individual idling means. Constricting means is located in the common discharge line from all stages and can be additionally located in each discharge line from each stage. Automatic control of torque on the wind rotor shaft by the idling and constructing means permits the rotor to start to rotate, continue to rotate at a speed for maximum efficiency conversion of the wind power into hydraulic power over any desired range of wind speeds, rotate as limited to any specified maximum rates rotation during high wind speeds, and to stop and lock if the wind speed becomes excessive. The hydraulic system can parallel-connect a number of wind machines to drive a single turbine installation to produce useful power.
REFERENCES:
patent: 1001176 (1911-02-01), Snee
patent: 1010591 (1911-12-01), Clements
patent: 1366844 (1921-01-01), Snee, Jr.
patent: 3269121 (1966-08-01), Bening
patent: 3952723 (1976-04-01), Browning
patent: 4013702 (1977-06-01), Burnett et al.
patent: 4149092 (1979-04-01), Cros
patent: 4274010 (1981-06-01), Lawson-Tancred
patent: 4280061 (1981-07-01), Lawson-Tancred
Truhe J. V.
Wade Shelley
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