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.

Date of Patent:
Apr. 24, 2018

Filed:

May. 07, 2015
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Toru Iwasaki, Wako, JP;

Mitsuhiro Nakamura, Wako, JP;

Hiroyuki Yoneyama, Wako, JP;

Akira Nakamura, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 59/70 (2006.01); F16H 63/42 (2006.01); F16H 59/68 (2006.01); F16H 59/40 (2006.01); F16H 59/42 (2006.01);
U.S. Cl.
CPC ...
F16H 59/70 (2013.01); F16H 63/42 (2013.01); F16H 59/40 (2013.01); F16H 59/42 (2013.01); F16H 2059/6823 (2013.01); F16H 2059/706 (2013.01);
Abstract

A controller is configured to determine a current gear ratio step determined on the basis of gear ratio calculation Rg to be actual gear ratio of revolution Nm of main shaftand revolution Nc of counter shaftas well as gear ratio map for defining gear ratio variable allowance range for each of gear ratio steps. When making a decision of status of the determined current gear ratio step, the controller is configured to make delay timer get started when the gear ratio calculation Rg goes within the gear ratio variable allowance range of next step and halt to make a decision of the current gear ratio step while the delay timer is activated. The controller is also configured to make a decision of the status of the current gear ratio step after a predetermined delayed time Tn*(n=1, 2, . . . ) is elapsed.


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