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. 13, 2012
Filed:
Sep. 04, 2008
Kenta Kumazaki, Toyota, JP;
Tooru Matsubara, Toyota, JP;
Atsushi Tabata, Okazaki, JP;
Keita Imai, Toyota, JP;
Masakazu Kaifuku, Okazaki, JP;
Masaki Yoshida, Okazaki, JP;
Tatsuya Imamura, Okazaki, JP;
Yuji Iwase, Mishima, JP;
Kenta Kumazaki, Toyota, JP;
Tooru Matsubara, Toyota, JP;
Atsushi Tabata, Okazaki, JP;
Keita Imai, Toyota, JP;
Masakazu Kaifuku, Okazaki, JP;
Masaki Yoshida, Okazaki, JP;
Tatsuya Imamura, Okazaki, JP;
Yuji Iwase, Mishima, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A drive system of a hybrid vehicle, including an engine, a first electric motor, a second electric motor operatively connected to a drive wheel of the hybrid vehicle, and two planetary gear mechanisms, and wherein the two planetary gear mechanisms have at least four rotary elements arranged to permit the drive system to be placed in a selected one of a first operation mode in which the rotary element connected to the engine and the rotary element connected to the first electric motor are disposed on opposite sides of the rotary element connected to the drive wheel and the second electric motor, as seen in a collinear chart in which the four rotary elements are located at respective four different positions along a base line, and a second operation mode in which the rotary element connected to the first electric motor and the rotary element connected to the drive wheel and the second electric motor are disposed on opposite sides of the rotary element connected to the engine, as seen in said collinear chart.