Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1991-03-27
1992-01-21
Hepperle, Stephen M.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
251248, G05D 1606
Patent
active
050820192
ABSTRACT:
A mechanism for instantly and accurately adjusting pressure of air passed by a pressure regulator with a valve assembly controlled by a flexible diaphragm. A compressed coil spring bears on the diaphragm. A non-rotating spring guide plate bears on the coil spring. A pinion shaft has a threaded end engaged with a threaded portion of the spring guide plate to move it axially of the coil spring. A pinion gear on the shaft is engaged by spur gears which are in turn engaged by a ring gear. Rotation of the ring gear advances and retracts the spring guide plate axially of the coil spring. A knob ring disposed adjacent a stationary calibrated pressure scale and secured to the ring gear, indicates the pressure of air passed by the regulator for each position of the knob ring around the scale.
REFERENCES:
patent: 1784094 (1930-12-01), Fletcher
patent: 2025244 (1935-12-01), Morehead et al.
patent: 2984252 (1961-05-01), Bryant
patent: 3856042 (1974-12-01), Fletcher et al.
patent: 4093180 (1978-06-01), Strabala
Aerodyne Controls Corporation
Hepperle Stephen M.
Loveman Edward H.
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