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:
Aug. 08, 2017
Filed:
Jun. 29, 2015
Applicant:
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Inventor:
Toru Shimura, Tokyo, JP;
Assignee:
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 1/58 (2006.01); G01F 1/60 (2006.01); G01F 25/00 (2006.01);
U.S. Cl.
CPC ...
G01F 1/60 (2013.01); G01F 25/0007 (2013.01); G01F 1/58 (2013.01); G01F 1/584 (2013.01); G01F 1/586 (2013.01); G01F 1/588 (2013.01);
Abstract
A flowmeter includes an exciter configured to excite fluid which is a measurement target, a state detector configured to detect a state of the fluid excited by the exciter, a driver configured to supply exciting current for driving the exciter, a first current detector that is disposed between the exciter and the driver, the first current detector being configured to detect the exciting current, and a processor configured to diagnose insulation deterioration of the exciter in accordance with a change of a detection result of the first current detector.