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:
Dec. 07, 2021
Filed:
Sep. 28, 2020
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Toshio Maeda, Okazaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A cause identifying device performs: determining that an operation of a transmission with a predetermined high load is a cause of oil temperature of hydraulic oil having been equal to or higher than the predetermined temperature when predetermined conditions that the transmission has operated with the predetermined high load in a target period immediately before the oil temperature of the hydraulic oil has been equal to or higher than the predetermined temperature and a vehicle acceleration in the target period has been equal to or higher than a predetermined acceleration value are satisfied; and determining that occurrence of a predetermined abnormality associated with a gear shifting device is the cause of the oil temperature of the hydraulic oil having been equal to or higher than the predetermined temperature when the predetermined conditions are not satisfied.