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. 11, 2003
Filed:
Jun. 27, 2002
Yasuo Kima, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
The object of the present invention is to provide a power transmission apparatus which enables a shifting with high efficiency and small shock. A power transmission apparatus for a hybrid vehicle having two driving means; an engine and a motor generator, including; a planetary gear unit including at least a sun gear, a carrier and a ring gear; and a counter shaft for transmitting power to driving wheels of a vehicle, wherein the rotor of the motor generator is connected to the sun gear, an engine output shaft and a first main shaft which is capable of transmitting torque to the counter shaft through gears in a plurality of transmission gear ratios are connected to the carrier, and torque of the ring gear can be transmitted through gears to a second main shaft which is capable of transmitting torque to the counter shaft through gears in a plurality of transmission gear ratios.