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:
Apr. 19, 2011
Filed:
Apr. 03, 2007
Yoshihiro Ikushima, Okazaki, JP;
Kazuhiko Yuasa, Toyota, JP;
Hideki Tamoto, Toyota, JP;
Hirokazu Suzuki, Toyota, JP;
Akifumi Miyazaki, Toyota, JP;
Koji Ando, Okazaki, JP;
Yoshihiro Ikushima, Okazaki, JP;
Kazuhiko Yuasa, Toyota, JP;
Hideki Tamoto, Toyota, JP;
Hirokazu Suzuki, Toyota, JP;
Akifumi Miyazaki, Toyota, JP;
Koji Ando, Okazaki, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
The rotation of a first rotating element is shifted in speed by a speed shift device, and is transmitted to a second rotating element or a third rotating element of a differential device via a first clutch or a second clutch. In this manner, the torque of right and left driving wheels can be controlled. Furthermore, in conjunction with limitation of the differential motion, the amount of torque transmitted to a fourth rotating element is eliminated by allowing the speed shift device to freely rotate, and the accumulated amount of sliding of friction engagement elements at the time of differential motion limitation can be reduced by completely engaging the first clutch and the second clutch without allowing them to slide. Thus, the differential motion limitation control can be realized without a need to increase the size of the first clutch and the second clutch.