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:
May. 04, 2021
Filed:
Nov. 26, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Tomomitsu Terakawa, Kariya, JP;
Akihiko Ichikawa, Toyota, JP;
Kotaro Hoshihara, Toyota, JP;
Tomoyasu Kurimoto, Aichi-gun, JP;
Jun Yabuta, Anjo, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A gear change control device according to an embodiment includes a detection unit configured to detect the gear stage of a transmission and measure the input rotation rate of the transmission and the rotation rate of an engine and a controller configured to decrease the torque of a clutch to a second reference value from a first reference value when a first time elapses from a time point at which the rotation rate of the engine and the input rotation rate of the transmission become different from each other due to a gear change from a certain gear stage to a gear stage one or a plurality of stages higher than the certain gear stage that is performed by the transmission.