Fluid handling – Systems – Multi-way valve unit
Patent
1978-02-27
1982-09-28
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
137375, 137875, 251298, 251359, F16K 118, F16K 1102
Patent
active
043513611
ABSTRACT:
A valve which has a gate of springy sheet material pressing at its peripheral region against an endless valve seat when the valve is in a closed position. The endless valve seat has a seating surface situated in a predetermined plane generally perpendicular to the direction of fluid flow through an opening defined by the endless valve seat. The gate of springy sheet material is of a dished configuration and has a hollow interior directed toward the opening defined by the endless valve seat when the valve is in a closed position. The dished springy sheet material which forms the movable gate of the valve has a central region situated upstream of the plane in which the seating surface is located, when the valve is closed, and a springy endless peripheral region situated in the plane of the seating surface in engagement with the latter when the valve is closed. When the dished member which forms the gate is in an unstressed condition, its central region and the peripheral region are spaced from each other in the direction of fluid flow through a distance greater than the distance in the direction of fluid flow when the valve is closed so that the spring force of the springy dished member urges the peripheral region thereof against the seating surface when the valve is closed, a suitable structure being connected to the gate in order to move it between its closed and open positions.
REFERENCES:
patent: 271491 (1883-01-01), Martin
patent: 1847385 (1932-03-01), Dengler
patent: 2244986 (1941-06-01), Drane
patent: 3498327 (1970-03-01), Dicken
patent: 3521659 (1970-07-01), Seger
patent: 3592221 (1971-07-01), Worley et al.
patent: 3834662 (1974-09-01), Huntington
Exxon Research and Engineering Co.
Michalsky Gerald A.
Paris F. Donald
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