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:
Jul. 22, 2003
Filed:
Oct. 31, 2001
Umberto Cecchinato, Quinto Vicentino, IT;
Claudio Imboccioli, Creazzo, IT;
Pietro Florentini SpA, Milan, IT;
Abstract
The invention relates to a gas pressure regulator having a valve, a delivery duct of low pressure gas (Pb), a regulation shutter for the gas delivery flow, a control head of the valve defining an upper chamber [( )] and a lower chamber. A pilot valve controls the movement of the shutter. The pilot valve has a first chamber with an inlet way, a first outlet way communicating with said delivery duct and a second chamber in which there is the body of an interception shutter adapted to open or close the inlet way [( )]. The first chamber has at least a second outlet way communicating with the lower chamber and the upper chamber and the inlet way are connected to each other through an auxiliary duct containing gas at an intermediate pressure (Pm) between high pressure (Pa) and low pressure (Pb).