The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2004
Filed:
Dec. 21, 2001
Pedro Collado, Ozoir la Ferriere, FR;
Christian Bleys, Livry sur Seine, FR;
Taema, Antony Cedex, FR;
Abstract
A valve having a valve body ( ) including an internal chamber ( ) of axis (AA) having an upstream compartment ( ) of diameter (Dam) and a downstream compartment ( ) of diameter (Dav), with Dam<Dav. A fluid inlet orifice ( ) is formed in the wall of the valve body ( ) and opens into the upstream compartment ( ). A piston body ( ) that can move in translation along the axis (AA) inside the internal chamber ( ) and which is located between the fluid inlet orifice ( ) and a fluid outlet orifice, has a front face ( ) located on the same side as the fluid inlet orifice ( ), a rear face ( ) located on the same side as the fluid outlet orifice, and a lateral wall ( ) located between the front face ( ) and the rear face ( ). The lateral wall ( ) has a cylindrical first portion (P ) of diameter (D ) and a cylindrical second portion (P ) of second diameter (D ), with D <D and D <Dav.