Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Reexamination Certificate
2005-05-31
2005-05-31
Michalsky, Gerald A. (Department: 3753)
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
C137S043000
Reexamination Certificate
active
06899119
ABSTRACT:
A valve comprising a housing defining a control space with an outlet port for fluid egress from the space and at least one inlet port for fluid ingress into the space control member is displaceable between an open state in which the outlet port is open and a closed state in which the outlet port is closed. The at least one inlet port of the at least one inlet port is formed at a wall portion of the housing at an upper wall portion, and a fluid draining port is formed at or adjacent a bottom end of the housing for draining fluid from the control space. The fluid draining port serves for preventing fluid ingress into the control space.
REFERENCES:
patent: 5172714 (1992-12-01), Kobayashi et al.
patent: 5762090 (1998-06-01), Halamish et al.
patent: 6701952 (2004-03-01), Ehrman et al.
patent: 2269375 (1994-02-01), None
patent: 59-034932 (1984-02-01), None
patent: 04-201718 (1992-07-01), None
patent: WO 01/07806 (2001-02-01), None
Ehrman Moshe
Livne Yoav
Moalem Zohar
Olshanetsky Vladimir
Orenstein Udi
Michalsky Gerald A.
Raval-Agriculture Cooperative Societies Ltd.
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