Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – Responsive to moving member developed fluid force – current...
Patent
1980-12-08
1983-10-25
Coe, Philip R.
Rotary kinetic fluid motors or pumps
With control means responsive to non-cyclic condition...
Responsive to moving member developed fluid force, current...
415 13, 474 28, F01B 2502
Patent
active
044115903
ABSTRACT:
A control system primarily for variable speed drives having input and output sheaves with axially movable flanges and a belt interconnecting the sheaves, in which a fluid actuating mechanism moves the flange on the input sheave to vary the pitch thereof, and consequently, the output speed of the drive. A fan or other fluid pressure creating device, is driven by the output element of the drive and is connected to a control mechanism which is responsive to a condition sensing device for providing a pressure varying according to the condition to be maintained. The control mechanism is connected to a source of operating pressure and is regulated by the pressure from the pressure creating device and the condition sensing device for varying the pressure in the pressure actuating mechanism to vary the position of one of the movable flanges and thereby control the output speed of the drive.
REFERENCES:
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patent: 2346868 (1944-04-01), Perry
patent: 2390487 (1945-12-01), Lawrence et al.
patent: 2485126 (1949-10-01), Wood
patent: 2887894 (1959-05-01), Charlat
patent: 3173607 (1965-03-01), Pringle
patent: 4089232 (1978-05-01), Llach et al.
Powers Regulator Company, "Technical Instruction", RL 147-2, Oct. 1975, pp. 1-8.
Coe Philip R.
Hobbs Marmaduke A.
Reliance Electric Company
Stinson Frankie L.
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