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. 17, 2020
Filed:
Aug. 01, 2017
Nissan Motor Co., Ltd., Kanagawa, JP;
Jatco Ltd, Shizuoka, JP;
Soojung Hong, Kanagawa, JP;
Kenichi Mori, Kanagawa, JP;
Yutaka Kaneko, Kanagawa, JP;
Kazutaka Adachi, Kanagawa, JP;
Ken Okahara, Atsugi, JP;
Masayuki Miyazono, Isehara, JP;
Nissan Motor Co., Ltd., Kanagawa, JP;
JATCO Ltd, Shizuoka, JP;
Abstract
A control method of a continuously variable transmission mounted on a vehicle includes performing advance compensation in a speed ratio control system of the continuously variable transmission, and making an advance amount according to a vibration frequency of torsional vibration of an input shaft of the continuously variable transmission which is the advance amount of the advance compensation variable in accordance with an operation state of the vehicle. A feedback gain of speed ratio control of the continuously variable transmission performed in the speed ratio control system is variable in accordance with an operation state of the vehicle. When the advance amount is made variable, the advance amount is made variable in accordance with the feedback gain.