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:
Dec. 04, 2018
Filed:
Oct. 01, 2015
Isuzu Motors Limited, Tokyo, JP;
Yusuke Takahashi, Fujisawa, JP;
Tomoaki Shimozawa, Fujisawa, JP;
ISUZU MOTORS LIMITED, Tokyo, JP;
Abstract
A dual clutch-type transmission control device is provided which improves the accuracy with which transmission torque is learned. A dual-clutch transmission includes a clutch apparatus having a first clutch and a second clutch, a first input shaft, a second input shaft, a counter shaft, an output shaft, an auxiliary transmission portion including a first input gear pair and a second input gear pair, a main transmission portion including an output gear pair, and learning modules and the learning modules shift the main transmission portion into a neutral state, disengage both the first and second clutched generate a torque change in an engine by keeping the engine running at a predetermined revolution number, engaging partially one of the first and second clutches and thereafter engaging the other clutch gradually partially and learn an amount of change of torque associated with the torque change as transmission torque of the other clutch.