Valve with vortex chamber and a mechanical member to shut...

Details Valve with vortex chamber and a mechanical member to shut... Valve with vortex chamber and a mechanical member to shut...

2007-06-26

2007-06-26

Keasel, Eric (Department: 3753)

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to cause rotational flow of fluid

Reexamination Certificate

active

10474733

ABSTRACT:
A valve assembly (10) comprises a vortex chamber (14) with an axial outlet port (20), a main inlet port (16) for a fluid to be controlled, and a substantially tangential inlet port (25); the fluid enters through an inlet chamber (13) in which is a mechanical valve (26) movable so as to obstruct fluid flow into the vortex chamber (14). A duct (24) links the inlet chamber (13) to the tangential inlet port (25) of the vortex chamber. The position of the mechanical valve (26) affects the flow of fluid through the duct (24), so the vortex chamber (14) amplifies the effect of the mechanical valve. Further movement of the valve (26) closes off flow altogether (40). The assembly may include a weir (36) in the outlet, to separate gas and liquid phases.

REFERENCES:
patent: 1588645 (1926-06-01), Barrett
patent: 3712321 (1973-01-01), Bauer
patent: 4632107 (1986-12-01), Butler
patent: 5365962 (1994-11-01), Taylor
patent: 7011101 (2006-03-01), Bowe et al.
patent: 2005/0173009 (2005-08-01), Bowe et al.
patent: 2006/0076065 (2006-04-01), Bowe
patent: 3744424 (1989-07-01), None
patent: 0530967 (1993-03-01), None
patent: 2209411 (1989-05-01), None
patent: 2259585 (1993-03-01), None
English language abstract of DE 3744424.

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