Valve with magnetic sealing element made of foam

Details Valve with magnetic sealing element made of foam Valve with magnetic sealing element made of foam

2008-07-14

2011-12-20

Fristoe, Jr., John (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Having element dimensionally responsive to field

C251S129010, C251S129150, C335S279000, C335S215000

Reexamination Certificate

active

08079568

ABSTRACT:
A valve is described having an inlet, an outlet, a sealing element and a device to generate a magnetic field, whereby the sealing element can be moved at least partially by the device and whereby the sealing element connects the inlet to the outlet in a fluid-conducting manner in that the sealing element lifts off at least partially from a valve seat wherein the sealing element is made at least partially of a foam element that can be deformed by the magnetic field.

REFERENCES:
patent: 3409038 (1968-11-01), Blackford
patent: 3891000 (1975-06-01), Melnick
patent: 5711342 (1998-01-01), Kazama et al.
patent: 2004/0094737 (2004-05-01), Yeh
patent: 2004/0255915 (2004-12-01), Veinotte
patent: 2005/0253103 (2005-11-01), Bente et al.
patent: 2007/0241849 (2007-10-01), Heinrich et al.
patent: 4103665 (1992-08-01), None
patent: 29913326 (1999-11-01), None
patent: 10248342 (2003-10-01), None
patent: 1072832 (2005-06-01), None
patent: WO2006/007882 (2006-01-01), None
patent: WO 2007/092778 (2007-08-01), None
European Search Report from related EP 2031285 mailed Nov. 30, 2010.

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