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:
May. 31, 2022
Filed:
Nov. 13, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kazuaki Kamiya, Toki, JP;
Masatoshi Ito, Okazaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
In a control device of a hybrid vehicle including an engine, a rotating machine, a power transmission device, and an electric oil pump, the control device comprising: a state determining portion; an electric oil pump control portion performing a test operation of the electric oil pump for determining whether the electric oil pump operates normally when it is determined that the measured temperature of the oil allows the electric oil pump to operate normally; and an engine control portion, the electric oil pump control portion performs the test operation of the electric oil pump in a predetermined period after a power supply state of the hybrid vehicle is switched to a power-on state enabling the vehicle to run and before the hybrid vehicle actually starts running, and when the test operation of the electric oil pump is performed in the predetermined period, the engine control portion starts the engine.