3/3-way valve

Details 3/3-way valve 3/3-way valve

1999-02-11

2000-11-07

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762567, 13762568, F16K 1107, F16K 11074

Patent

active

061421812

ABSTRACT:
A 3/3-way valve with a control member received in a valve chamber is provided. The member, in three control positions, blocks a consumer opening and a relief opening (maintain pressure), connects the consumer opening with a supply opening and blocks the relief opening (increase pressure), and connects the consumer opening with the relief opening and blocks the supply opening (reduce pressure). To reduce manufacturing costs for a 3/3-way valve of this kind, two chamber sections delimited by the control member in the valve chamber are constantly connected with one another and the three openings are arranged at certain intervals apart from one another. The adjustment is made such that the control member in one control position covers the consumer opening and the relief opening, in another control position covers only the relief opening, and in another control position covers only the supply opening.

REFERENCES:
patent: 5325891 (1994-07-01), Mateja
patent: 5577534 (1996-11-01), Ward
patent: 5829396 (1998-11-01), Sturman et al.
patent: 5937904 (1999-08-01), Wunder

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