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:
Jun. 16, 2026
Filed:
Jan. 20, 2023
Subaru Corporation, Tokyo, JP;
Junji Habu, Tokyo, JP;
Tomonori Kashiwadate, Tokyo, JP;
Tetsu Matsuzaki, Tokyo, JP;
Takumu Ishida, Tokyo, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A vehicle includes an engine, a starter motor, a torque converter, a lock-up clutch configured to perform lock-up, a traveling motor, and a controller. The controller is configured to perform processing including: switching between an engine traveling mode in which the vehicle travels using the engine and a motor traveling mode in which the vehicle travels using the traveling motor; and prohibiting, in response to a request to switch from the motor traveling mode to the engine traveling mode, the lock-up when a rotational speed of the engine is lower than a self-recovery lower limit rotational speed and higher than a starter motor drive upper limit rotational speed.