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:
Feb. 24, 2004
Filed:
Jan. 17, 1997
Applicant:
Inventors:
Bryan Raymond Franklin, Gloucestershire, GB;
Colin Edward Undery, Haardwick, GB;
Assignee:
ABB Kent-Taylor Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/58 ;
U.S. Cl.
CPC ...
G01F 1/58 ;
Abstract
An electromagnetic flowmeter is tested and calibrated in situ by measuring the impedance of the drive coil, and the isolation to ground impedance of the coil and of the flowmeter sensor electrodes. Testing is effected by portable field equipment or by a built-in test equipment facility with the flowmeter transmitter.