Three-way valve

Details Three-way valve Three-way valve

1988-09-20

1989-06-13

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762525, F16K 11065

Patent

active

048383120

ABSTRACT:
Our invention is a three-way valve including a pressure-tight housing, a ve seat, a closing member mounted movable in the valve seat and an operating member guided through a shaft seal. The housing is formed with three connecting channels and the valve seat with associated connecting passages. The closing member has a metering passage by which two of the connecting channels are connectable alternately with a third channel with connecting passages intervening. In an additional controlling position the closing member seals the connecting channels. Our invention is characterized by a closing member formed like a sliding plate and the valve seat has two sealing disks between which the sliding plate is positioned moveable up and down. The sealing disks are equipped with the connecting passages and at least one of the sealing disks has its connecting passages in a controlling spacing which is larger than the diameter of the metering passage in the sliding plate.

REFERENCES:
patent: 2743900 (1956-05-01), Holzer et al.
patent: 3007492 (1961-11-01), Grimmer
patent: 3324888 (1967-06-01), Henderson
patent: 3428073 (1969-02-01), Krueger
patent: 3463192 (1969-08-01), Herion
patent: 3521674 (1970-07-01), Dodson et al.
patent: 3788354 (1974-01-01), Symmons
patent: 4548238 (1985-10-01), Chorkey

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