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:
Oct. 12, 2010
Filed:
Mar. 02, 2009
Yuji Iwase, Mishima, JP;
Masahiro Kojima, Toyota, JP;
Ryuji Ibaraki, Nishikamo-gun, JP;
Atsushi Tabata, Okazaki, JP;
Tatsuya Imamura, Okazaki, JP;
Takuma Kakinami, Toyota, JP;
Natsuki Sada, Anjo, JP;
Tomoo Atarashi, Kariya, JP;
Nobukazu Ike, Kariya, JP;
Yuji Iwase, Mishima, JP;
Masahiro Kojima, Toyota, JP;
Ryuji Ibaraki, Nishikamo-gun, JP;
Atsushi Tabata, Okazaki, JP;
Tatsuya Imamura, Okazaki, JP;
Takuma Kakinami, Toyota, JP;
Natsuki Sada, Anjo, JP;
Tomoo Atarashi, Kariya, JP;
Nobukazu Ike, Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A vehicular power transmitting system including a transmission portion constituting a part of a power transmitting path, an electric motor connected to the power transmitting path, an electrically controlled differential portion connected to the electric motor and having a differential state controllable according to a change of an operating speed of the electric motor, a casing accommodating the transmission portion, the electric motor and the electrically controlled differential portion, and a support member for supporting a rotor of the electric motor, the support member including a support portion formed in one axial end portion thereof, at which the rotor is supported rotatably about its axis, and a tapered portion having a diameter increasing in an axial direction from the one axial end portion toward the other axial end portion at which the support member is fixed to the casing, and wherein a winding portion of a stator of the electric motor is disposed in a space formed radially outwardly of the tapered portion, while a fluid passage portion for supplying a working fluid to frictional coupling devices of the transmission portion is disposed in a space formed radially inwardly of the tapered portion.