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:
Nov. 04, 2003
Filed:
Oct. 10, 2001
Taiji Maruyama, Saitama-ken, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A power transmission mechanism which is capable of employing one electric motor as a drive source for driving drive wheels and as a drive source for cranking an engine, thereby making it possible to reduce manufacturing costs of the hybrid vehicle, and preventing the motor from offering an extra rotational resistance to the engine when the drive wheels are being driven by the engine, thereby making it possible to enhance fuel economy. In the power transmission mechanism for transmitting the driving force from the engine and/or the electric motor to the drive wheels, when a synchro-clutch for the electric motor, driven by a switching actuator, connects the drive shaft of the electric motor and a driving drive shaft gear to each other, the electric motor is connected to the drive wheels via a meshing gear pair (driving drive shaft gear and driving output shaft gear), whereas when the synchro-clutch connects the drive shaft of the electric motor and a cranking drive shaft gear to each other, the electric motor is connected to the engine via a meshing gear pair (cranking drive shaft gear and cranking input shaft gear), the input shaft of the transmission, and a clutch.