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:
Sep. 22, 2009
Filed:
Jun. 18, 2004
Applicants:
Gilles Cannet, Parmain, FR;
Clarisse L'heveder, Shangai, CN;
Inventors:
Gilles Cannet, Parmain, FR;
Clarisse L'Heveder, Shangai, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 16/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an expansion valve block which is equipped with coordinated means () for isolating the high-pressure circuit () and the low-pressure circuit () such that, when the gas delivery inlet is opened and closed, the two circuits are automatically controlled using the sequence that best guarantees the immunity of the installation.