Fluid handling – Systems – Multi-way valve unit
Patent
1988-05-27
1989-01-03
Rivell, John
Fluid handling
Systems
Multi-way valve unit
1376275, 137862, 137885, 137903, 251 61, 251901, F16K 1102, F16K 31165
Patent
active
047949430
ABSTRACT:
A valve assembly (10) for controlling high pressure gas with low controlling gas pressures. The assembly includes a valve housing (12) having a cavity (22), an inlet port (26) and two outlet ports (28, 30). Mounted within the housing in communication with each outlet port are tubular members (38), each having a closed end (38.3) and an aperture (42) in a smooth cylindrical sidewall (38.2). A wobble bar (50) within the cavity is associated with a rubber-like sheet of material (54), which sheet has two sealing portions (56.2, 56.4) draped over the apertures. A very soft sponge-like resilient block (56) normally holds the sealing portions against the apertures to cause the apertures to be sealed. Actuating structure causes the wobble bar to be moved from a normal position to an operative position, an end of the wobble bar bearing down upon another portion of the rubber-like sheet of material to cause an adjacent sealing portion to peel away from the aperture to permit flow through the aperture. The actuating structure includes a rotatable shaft (48) on which the wobble bar is securely mounted, an actuator housing (14) having a sensing chamber (66) connected to the controlling low pressure, and a slidable shaft (72) connected to a diaphragm (68) along one side of the sensing chamber, the other end of the slidable shaft being connected with the rotary shaft in such a manner that linear motion of the slidable shaft will cause correlated rotary motion of the rotary shaft.
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Figgie International Inc.
Rivell John
LandOfFree
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