Solenoid valve with cylindrical valve guide for the...

Details Solenoid valve with cylindrical valve guide for the... Solenoid valve with cylindrical valve guide for the...

2007-01-23

2007-01-23

Keasel, Eric (Department: 3753)

Fluid handling

Systems

Supply and exhaust

C251S129140

Reexamination Certificate

active

10927504

ABSTRACT:
A valve device including a valve chamber having an inlet port at one end and a valve seat at the other end; a valve housing containing the valve chamber; the valve chamber accommodating a spherical valve element which performs opening and closing operation to the valve seat, and a valve spring which urges the valve element in a closing direction; and a push rod which penetrates a center hole of the valve seat and pushes the valve element in an opening direction. A cylindrical valve guide member is fit into the valve chamber, the cylindrical valve guide member including a plurality of guide projections on an inner peripheral surface to guide opening and closing operation of the valve element. Grooves between the plurality of guide projections serve as passages providing communication between the inlet port and the valve seat.

REFERENCES:
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patent: 5104091 (1992-04-01), Rathay et al.
patent: 5649687 (1997-07-01), Rosas et al.
patent: 5915416 (1999-06-01), Okazaki et al.
patent: 6244295 (2001-06-01), Bartussek et al.
patent: 6431209 (2001-06-01), Weiler, Jr.
patent: 6598852 (2003-07-01), Tomoda et al.
patent: 6719006 (2004-04-01), Fleischer et al.
patent: 6866063 (2005-03-01), Avila
patent: 2004/0173269 (2004-09-01), Fleischer et al.
patent: WO 01/88650 (2001-11-01), None
patent: 2002-310328 (2002-10-01), None

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