Pumps – With condition responsive pumped fluid control – Plural separate sensing means for a single fluid controller
Patent
1981-04-29
1984-04-10
Wayner, William E.
Pumps
With condition responsive pumped fluid control
Plural separate sensing means for a single fluid controller
622283, 62230, 290, F03D 900
Patent
active
044418728
ABSTRACT:
A fluid-driven pump directly converts fluid kinetic energy into displacement of a second fluid against a pressure differential. In one form of the invention, a wind turbine is coupled via a rotary shaft crank to a reciprocating piston in a large-displacement, double-acting compressor cylinder. In a preferred mode, a refrigerant gas is compressed to accomplish heat pumping and refrigeration. Timed compression-relief valving controls the time that the wind turbine is coupled to the fluid load to maintain maximum power transfer within useful operating limits of source and load. An electronic control circuit senses selected parameters to compute the desired duty cycle and provide an energizing signal to a pair of solenoid relief valves such that the optimum duty cycle is selected for maximum power transfer.
REFERENCES:
patent: 3653783 (1972-04-01), Sauder
patent: 3664148 (1972-05-01), Yonezu
patent: 3844686 (1974-10-01), Le Blanc
patent: 4015962 (1977-04-01), Tompkins
patent: 4103506 (1978-08-01), Adalbert et al.
patent: 4336001 (1982-06-01), Andrew et al.
Wind-Driven Refrigeration Project, Robert Franklin 1979.
Wind Energy Development Program, Auroville Jean Pougault et al., 6/82.
Rich David A.
Wayner William E.
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