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:
Sep. 08, 2020
Filed:
Jul. 06, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Koji Ando, Okazaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A power transmission system include a transfer case including an input shaft, an output shaft, a planetary gear device including a first rotary element, a second rotary element, and a third rotary element, and a HIGH-LOW switching mechanism including a switching sleeve configured to selectively couple the output shaft to the first rotary element and the second rotary element, an electric motor coupled to one of the first rotary element and the second rotary element, and an electronic control unit configured to control the rotational speed of the electric motor, during switching operation of the HIGH-LOW switching mechanism while a vehicle is stopped, such that the rotational speed of the input shaft becomes substantially equal to zero.