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. 24, 2012
Filed:
Apr. 22, 2008
Takao Itoh, Seto, JP;
Koji Yamamoto, Okazaki, JP;
Takao Itoh, Seto, JP;
Koji Yamamoto, Okazaki, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A hybrid vehicle equipped with an engine, a planetary gear mechanism linked to the output shaft of the engine and to a driveshaft, a first motor linked to the planetary gear, a second motor inputting and outputting power to and from the driveshaft, and a battery inputting and outputting electric power to and from the motors. When a cooling water temperature Tw of the engine is lower than a threshold Twref, the intermittent operation of the engine is prohibited, and a controller performs a warm-up control on a condition that a battery temperature Tb is a preset reference temperature Tα, while performing a low state of charge control on condition that a battery temperature Tb is higher than or equal to a preset reference temperature Tα and lower than a preset reference temperature Tβ.