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. 16, 2022
Filed:
Dec. 05, 2019
Applicant:
Yokogawa Electric Corporation, Tokyo, JP;
Inventors:
Hiromitsu Ogawa, Tokyo, JP;
Soichiro Konada, Tokyo, JP;
Norio Tanaka, Tokyo, JP;
Takaaki Matsuda, Tokyo, JP;
Assignee:
Yokogawa Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 51/00 (2006.01); G01M 13/00 (2019.01);
U.S. Cl.
CPC ...
F04B 51/00 (2013.01); G01M 13/00 (2013.01);
Abstract
A detection apparatus includes a suction pressure acquirer configured to acquire suction pressure data indicating suction pressure of a pump, and a detector configured to detect occurrence of cavitation in the pump based on a variation coefficient of the suction pressure data during a detection target period.