Fluid handling – Diverse fluid containing pressure systems – Main line flow displaces additive from shunt reservoir
Patent
1995-12-08
1998-11-03
Michalsky, Gerald A.
Fluid handling
Diverse fluid containing pressure systems
Main line flow displaces additive from shunt reservoir
4431, 4434, 1376254, 137894, 137907, 251 63, 251326, F16K 302, F16K 1104
Patent
active
058294716
ABSTRACT:
A valve particularly for vacuum drainage systems, comprising a valve housing (1) with an inlet (2), a through-flow part (11) and an outlet (3), and a device with an actuator for the opening and closing of the valve. The opening and closing device is a movable valve body (4) with a, relative to its axis, slightly inclined first sealing face stretching along the periphery of the valve body (4) up to a basically circular and, relative to the flow direction through the valve, vertical part comprising a second sealing face. The first sealing face is provided to rest against a corresponding inclined seat (16) being disposed on a projection in the valve housing and which seat is situated beyond the inner wall (36) of the through-flow part (11), and that the second sealing face is provided to be tightly resting against a corresponding circular, upper part (17) in the valve housing.
REFERENCES:
patent: 780323 (1905-01-01), Campbell
patent: 2420849 (1947-05-01), Wilson
patent: 2913012 (1959-11-01), McCurley
patent: 3316929 (1967-05-01), Milette
patent: 5165457 (1992-11-01), Olin et al.
patent: 5495626 (1996-03-01), Lindroos et al.
Michalsky Gerald A.
Safran David S.
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