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:
Jul. 23, 2024
Filed:
Aug. 07, 2020
Applicant:
Shinmaywa Industries, Ltd., Hyogo, JP;
Inventors:
Hiromasa Shimizu, Hyogo, JP;
Akihiro Ando, Hyogo, JP;
Shiro Fukami, Hyogo, JP;
Shogo Ueda, Hyogo, JP;
Hideyuki Kato, Hyogo, JP;
Assignee:
ShinMaywa Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 15/02 (2006.01); F04B 49/06 (2006.01); F04D 13/08 (2006.01);
U.S. Cl.
CPC ...
F04D 15/0218 (2013.01); F04B 49/065 (2013.01); F04D 13/086 (2013.01); F04D 15/0236 (2013.01);
Abstract
A storage unit is configured to store a drive electric current of a submersible pump detected by an electric current detection unit. An identification unit is configured to calculate at least one electric current parameter of a plurality of electric current parameter based on the temporal change of the drive electric current and identify an operation state indicating whether there is an abnormality in the submersible pump and a type of an abnormal operation, based on the electric current parameter.