Fluid handling – Convertible – Unit orientable in a single location between plural positions
Patent
1991-03-14
1992-05-12
Cohan, Alan
Fluid handling
Convertible
Unit orientable in a single location between plural positions
13762565, 13762525, F16K 1102
Patent
active
051118408
ABSTRACT:
A modular valve has a valve housing which defines a manifold interface having a normally open port, a normally closed port and a common port. A manifold block is mounted to the valve housing with its valve interface sealed against the manifold interface. The valve interface of the manifold block has first, second and third valve ports which lead to respective first, second and third mounting ports at a mounting interface of the manifold block. The first, second and third valve ports and the normally open normally closed and common ports are arranged to communicate with one another in either of two angularly spaced positions of the valve housing relative to the manifold block. In one position, the first valve port comunicates with the normally open port, the second valve port communicates with the normally closed port, and the third valve port communicates with the common port. In the other position, the first valve port communicates with the normally closed port, the second valve port communicates with the normally open port, and the third valve port communicates with the common port.
REFERENCES:
patent: 3270776 (1966-09-01), Carls
patent: 3602246 (1971-08-01), Hettinger
Exhibit 1, 2-and 3-Way Leakproof Solenoid Valves, SV10-40 Series, SV400 Series, of Circle Seal Controls, Anaheim, Calif.
Exhibit 2, FAG Hochdruck-Industriehydraulik of FAG Kugelfischer Georg Schafer KGaA, Erlangen, W. Germany.
Exhibit 3, High Pressure Programme 630, The Rexroth Corporation, Easton, Pa.
Exhibit 4, HAWE Directional Seated Valves of Heilmeier & Weinlein, Munich, W. Germany.
Exhibit 5, BMH Bieri Modular Hydraulic System of H. Bieri AG, Liebefeld, Switzerland.
Exhibit 6, Wandfluh NG 4-Mini Range of Wandfluh Ltd., Frutigen, Switzerland.
Exhibit 7, Hoerbiger Hydraulik of Hoerbiger Hydraulic GmbH, Schongau, W. Germany.
Arters Edward T.
Miller Douglas P.
Morgenson Ronald J.
Applied Power Inc.
Cohan Alan
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