Valve apparatus

Details Valve apparatus Valve apparatus

1991-06-17

1992-12-08

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

25112907, 25112908, F16K 144, F16K 3106

Patent

active

051688980

ABSTRACT:
A valve apparatus which contains two valve bodies oriented behind one another on a tappet. The first valve body, together with a first valve seat, forms a first valve and the second valve body, together with a second valve seat, forms a second valve. With two valve bodies rigidly connected to one another, it is possible, such as on account of manufacturing tolerances, that when the two valves are closed, one of the two valve bodies will not seat exactly on its corresponding valve seat, which means that leaks can occur. The present invention provides for at least one of the two valve seats or at least one of the two valve bodies being adjustable in the direction of the longitudinal axis of the tappet in relation either to the other valve seat or in relation to the other valve body to change the distance between the two valve seats or to change the distance between the two valve bodies.

REFERENCES:
patent: 13128 (1855-06-01), Harris
patent: 1892883 (1933-01-01), Goldkamp
patent: 2001534 (1935-05-01), Hughes
patent: 2014968 (1935-09-01), Hughes
patent: 2731036 (1956-01-01), Hughes
patent: 3012583 (1961-12-01), Gorgens et al.
patent: 4313590 (1982-02-01), Nishimiya
patent: 4314585 (1982-02-01), Nishimiya et al.
patent: 4450866 (1984-05-01), Grimm et al.
patent: 4915134 (1990-04-01), Toliusis et al.
patent: 4971115 (1990-11-01), Tinholt

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