Valve island with non-active area venting between components

Details Valve island with non-active area venting between components Valve island with non-active area venting between components

2007-06-12

2007-06-12

Fox, John (Department: 3753)

Fluid handling

Systems

With flow control means for branched passages

C137S625640

Reexamination Certificate

active

11301018

ABSTRACT:
A valve island that has vented non-active areas is disclosed. The valve island has a plurality of active gas passageways that are coupled together between components. At the junction between the different components the active fluid passageways are surrounded by a sealing surface. The sealing surface essentially surrounds some non-active areas. The non-active areas are vented to the outside air through one or more passageways. The non-active areas may be recessed from the sealing surface.

REFERENCES:
patent: 3384296 (1968-05-01), Kahane
patent: 5197766 (1993-03-01), Glover et al.
patent: 5725022 (1998-03-01), Taka et al.
patent: 6000422 (1999-12-01), Shigemoto
patent: 6546960 (2003-04-01), Rohrberg et al.

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