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:
Feb. 07, 2023
Filed:
Feb. 17, 2021
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Subaru Corporation, Tokyo, JP;
Hironobu Sakamoto, Okazaki, JP;
Yoshihiro Ishihara, Shibuya-ku, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A heat management system disclosed herein is used for an electric vehicle. The heat management system may comprise an oil cooler, an oil pump, a converter cooler, a first heat exchanger, a second heat exchanger, a first channel, a second channel, a channel valve, a bypass channel, and a controller. While executing the heat pump mode, the controller may be configured to periodically execute an operation of: switching the channel valve from the second valve position to the first valve position and activating the oil pump; and returning the channel valve from the first valve position to the second valve position and inactivating the oil pump in response to a predetermined time having passed.