Electric-powered, lever-amplified actuating means for valves and

Details Electric-powered, lever-amplified actuating means for valves and Electric-powered, lever-amplified actuating means for valves and

1987-05-07

1988-03-08

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Having means to produce digital pulses

25112911, 251229, 251263, 251331, 74110, 74 8915, F16K 3104, F16K 716

Patent

active

047295449

ABSTRACT:
Electric-powered, lever-amplified actuating means for valves and other devices which may be used to replace heretofore employed hydraulic jacks capable of transforming a small force traveling a great distance into a large force being motivated over a small distance, and where such amplifying ratios exceed 5 to 1; the mechanical amplifying means consisting of two upper ball bearings displaced radially down by a piston or diaphragm plate which in turn causes a cosinusoidal, small distance displacement of a lower pair of ball bearings; an electric motor turning a threaded spindle cooperating with a nut is made to move the piston or diaphragm plate.

REFERENCES:
patent: 3941362 (1976-03-01), Arnold et al.
patent: 4455012 (1984-06-01), Gupta
patent: 4549719 (1985-10-01), Baumann

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