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:
Jun. 17, 2025
Filed:
Sep. 29, 2021
Honda Motor Co., Ltd., Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A control value is corrected and learned based on a difference angle Δφ between a drum shaft conversion spindle integration angle φs obtained by converting a detected spindle angle detected by a spindle angle sensorinto a drum angle and a detected drum angle φd detected by a drum angle sensor, over a predetermined learning time T from when the shift motoris driven, and a drive engagement portionof a shift driven gearreduces the play angle to abut on a driven engagement portionof a drum centerto accompany the driven engagement portion. In this manner, rotation of a shift drumcan be accurately controlled by the shift motor, while the number of components of a variable speed drive mechanismis reduced.