Control valve utilizing mechanical beam buckling

Details Control valve utilizing mechanical beam buckling Control valve utilizing mechanical beam buckling

1990-07-31

1991-09-24

Fox, John C.

Valves and valve actuation

Heat or buoyancy motor actuated

357 26, F16K 3170

Patent

active

050508385

ABSTRACT:
A valve apparatus for controlling fluid flow comprising a substrate having a first aperture extending therethrough for defining a first fluid flow path; a beam having first and second terminal end portions mounted in fixed relationship with the substrate and having a bucklingly displaceable intermediate portion positioned in overlying relationship with the aperture for covering and uncovering the aperture for preventing or enabling fluid flow through the aperture; and a temperature control assembly for selectively controlling the temperature of the beam for selectively bucklingly displacing the intermediate portion of the beam for controlling fluid flow through the aperture.

REFERENCES:
patent: 2760303 (1960-11-01), Smallpiece
patent: 4581624 (1986-04-01), O'Connor
patent: 4809947 (1989-03-01), Mantwyler
patent: 4821997 (1989-04-01), Zdeblick
patent: 4821999 (1989-04-01), Ohtaha
patent: 4824073 (1989-04-01), Zdeblick

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