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. 21, 2020
Filed:
Apr. 12, 2017
Mikuni Corporation, Tokyo, JP;
Kenichi Watanabe, Odawara, JP;
Naoki Kobayashi, Odawara, JP;
Kazuhiro Fujiwara, Odawara, JP;
Takashi Doi, Odawara, JP;
MIKUNI CORPORATION, Tokyo, JP;
Abstract
A light load abnormality determination method for an electric oil pump () that circulates oil to an object to be cooled by the electric oil pump driven by a motor (), the method comprising: a detection step () to detect a current flowing through the motor, a voltage supplied to the motor, and a rotation speed of the motor; a calculation step () to calculate a piping resistance equivalent value or a reciprocal value of the piping resistance equivalent value, as a load evaluation value for light load abnormality determination, based on the current, the voltage and the rotation speed detected by the detection step; and a light load abnormality determination step () to determine a light load abnormality of the electric oil pump based on the load evaluation value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile