Selector valve with counterflow prevention means

Details Selector valve with counterflow prevention means Selector valve with counterflow prevention means

1997-07-02

1999-10-26

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762564, 137854, F15B 1304

Patent

active

059710225

ABSTRACT:
A valve body of a selector valve incorporates a counterflow prevention means comprising a lip-type seal member to allow the forward flow of exhaust from an output port through a valve hole to an ejection port while blocking the counterflow of exhaust flowing in the opposite direction.

REFERENCES:
patent: 2359802 (1944-10-01), Stephens
patent: 2362945 (1944-11-01), Stephens
patent: 2651324 (1953-09-01), Hodgson et al.
patent: 3635249 (1972-01-01), Kirkman
patent: 3680596 (1972-08-01), Pickett
patent: 3874409 (1975-04-01), Lee, II
patent: 4209033 (1980-06-01), Hirsch et al.
patent: 5632303 (1997-05-01), Almasy et al.

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