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. 15, 2008
Filed:
Jan. 21, 2004
Applicant:
Stephanie Marie Law, McKinney, TX (US);
Inventor:
Stephanie Marie Law, McKinney, TX (US);
Assignee:
Fisher Controls International LLC., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 16/20 (2006.01); F15B 13/043 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressure loaded pilot valve system and method for a regulator valve is provided. The system includes a regulator valve connecting an inlet line to an outlet line, a servo control valve assembly, and a pilot valve assembly. A supply line is connected to the servo control valve, and a pilot loading pressure line connects the servo control valve to the pilot valve assembly An exhaust line connects the servo control valve to the outlet line, thereby avoiding waste, pollution, etc. associated with bleeding excess pilot pressure to the atmosphere.