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US Patent 7104277 Valve for controlling a tank internal gas pressure

Patent 7104277 was granted and assigned to Eaton Corporation on September, 2006 by the United States Patent and Trademark Office.

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Patent
Patent
1

Patent attributes

Current Assignee
Eaton Corporation
Eaton Corporation
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
71042771
Patent Inventor Names
Michel Hernandez1
Aime Goubely1
Bruno Sertier1
Date of Patent
September 12, 2006
1
Patent Application Number
104702201
Date Filed
January 24, 2002
1
Patent Primary Examiner
‌
Stephen M. Hepperle
1
Patent abstract

The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice (10) provided in the upper part thereof, allowing through a gas flow outside the tank when the difference between the internal pressure and the external pressure reaches a predetermined threshold, and an inverse flow when the internal pressure of the tank is lower than the external pressure. The invention is characterised in that the valve comprises a body (1) whereof the lower part is configured to close the tank orifice (10) with a mass such that beyond said pressure differential value constituting the predetermined threshold, the body (1) is spaced apart from the orifice (10), said body (1) further comprising a through recess (4) arranged in the extension of the tank orifice (10) when they are in contact, said recess (4) being provided with closing means (3) capable of being activated when the differential pressure between the tank and outside atmosphere is positive.

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