Valve block

Details Valve block Valve block

1995-10-06

1997-08-05

Fox, John

Fluid handling

Systems

Multiple inlet with single outlet

137884, 137240, F16K 712

Patent

active

056532598

ABSTRACT:
A manifold block and valving system using the manifold block are provided, which are used for conducting chemical reagents, solvents, and other fluids. The manifold block includes a "straight-through" common passage in fluid connection with several entry ports, including also a number of projections in the common passage in the vicinity of the entry ports. These projections partially obstruct the fluid flow, causing a turbulence that provides a washing action in those port regions. The manifold may be constructed of a photosensitive glass ceramic such as Fotoceram.TM. which consists of a number of layers which have been processed to form the manifold block, or of other suitable materials such as silicon.

REFERENCES:
patent: 4008736 (1977-02-01), Wittmann-Liebold et al.
patent: 4168724 (1979-09-01), Graffinder et al.
patent: 4304257 (1981-12-01), Webster
patent: 4558845 (1985-12-01), Humhapiller
patent: 4703913 (1987-11-01), Humhapiller
patent: 4721133 (1988-01-01), Sundblom
patent: 4848722 (1989-07-01), Webster
patent: 4852851 (1989-08-01), Webster
patent: 4858883 (1989-08-01), Webster
patent: 4943032 (1990-07-01), Zdeblich

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