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:
May. 27, 1986
Filed:
Apr. 03, 1985
Applicant:
Inventors:
William N Gardner, Enfield, CT (US);
Kenneth R Rohde, Granby, CT (US);
Assignee:
Combustion Engineering Co., Inc., Windsor, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137554 ; 34082507 ; 364550 ;
Abstract
The position of a valve member is sensed by a transducer mounted on the exterior of the valve housing. The transducer is connected to a passive circuit located within an enclosure mounted on or adjacent to the valve housing. The passive circuit, when connected to a source of electrical power, provides a signal commensurate with the output of the transducer and an encoded signal which identifies the valve. The information contained in these signals is transmitted to a remote location, decoded and employed to determine the existance of a valve member position error.