Motor vehicles – Surface effect vehicles
Patent
1990-02-06
1993-01-26
Hill, Mitchell J.
Motor vehicles
Surface effect vehicles
1376253, 13762531, 13762532, 180117, 181114, 181116, 25112911, 251208, 251209, 251212, B60V 100, F16K 304, F16K 308
Patent
active
051815800
ABSTRACT:
A simple, low cost, and reliable, normally cyclic, fluid control valve that in preferred configuration includes one or more rotary valve elements where such valve elements have openings that align with each other and/or with a flow passageway thus forming an aperture for fluid flow during valve cycles. Rotary valve elements may be oriented in different directions to connecting ducts and may have a variety of shapes with a preferred shape being cylindrical. Simple motors drive rotary valve elements such that a rate of valve cycling and/or amount of aperture can be easily controlled by a controller such as a microprocessor. Easy valve servicing and installation are other features. Dynamic sealing of the fluids is preferably accomplished by use of simple low cost labyrinth seals. A primary application of this cyclic fluid control valve is for control of pulsing gas pressures in supporting gas cushions of air cushion vehicles where it may be used to vent gas cushion pressure pulses and/or control inlet gas to a pressurizing blower that supplies a gas cushion. In its primary application, to an air cushion vehicle, valve operation is normally controlled by inputs from a controller that has received inputs of gas cushion pressures, gas pressures proximal a valve, vehicle g-forces, vehicle inclinometer, and/or the like.
REFERENCES:
patent: 2443071 (1948-06-01), Honerkamp et al.
patent: 2449833 (1948-09-01), Barnes
patent: 3068891 (1962-12-01), Panning et al.
patent: 3349798 (1967-10-01), Allen
patent: 3701968 (1972-10-01), Broding
patent: 4116301 (1978-09-01), Fair
patent: 4328831 (1982-05-01), Wolf
patent: 4516606 (1985-05-01), Worley
Hill Mitchell J.
Van Der Wall Robert J.
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