Matrix of valves

Details Matrix of valves Matrix of valves

1992-07-29

1993-04-20

Hepperle, Stephen M.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137597, 137606, 251 611, F16K 1122, F16K 31126

Patent

active

052033686

ABSTRACT:
A matrix of valves being formed using a sandwich of three layers with a pliable membrane interposed between two of the layers. Supply channels and delivery channels are created through etching, routing, or other such means on the middle layer. Each supply channel communicates with all of the delivery channels via a valve location which is opened or closed by pneumatic pressure on the pliable membrane. Movement of the pliable membrane is affected through suction or pressure as communicated via holes in the overlying layer. In this manner, selected supply and delivery lines are connected by appropriate suction being placed on the membrane. Selected valves are simultaneously opened to provide parallel operations.

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patent: 4597412 (1986-07-01), Stark
patent: 4668476 (1987-05-01), Bridgham et al.
patent: 4773446 (1988-09-01), Farnsworth et al.
patent: 4848387 (1989-07-01), Hon
patent: 4852851 (1989-08-01), Webster
Technical Drawing, "Assy, Valve Manifold", Protein Technologies Inc., .COPYRGT.1989.

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