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. 05, 2015
Filed:
Feb. 04, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Takahiko Tsutsumi, Toyota, JP;
Toshio Sugimura, Toyota, JP;
Seiji Kuwahara, Toyota, JP;
Koki Minamikawa, Toyota, JP;
Shun Sato, Toyota, JP;
Abstract
Control apparatus for hybrid vehicles are described which reduce the heat generated by a clutch and improve the response of the hybrid vehicle when an operator requests a high degree of acceleration while starting the engine and the transmission is required to perform a shift-down. In one embodiment, when the engine is required to start while the transmission is required to perform a shift-down action, the control apparatus holds a hydraulic pressure of a releasing side clutch of the transmission at a predetermined lowest stand-by value preventing a slipping action of the releasing side clutch, while a clutch Kbetween the motor and engine is placed in a slipping state, and reduces the hydraulic pressure of the releasing side clutch from the lowest stand-by value in the slipping state of the clutch Kafter the clutch Kis placed in the fully engaged state.