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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.:

US 9346456 B1

PDFFull Text
Date of Patent:
May. 24, 2016

Filed:

Feb. 21, 2014

Transmission control system

Applicant:

Honda Motor Co., Ltd., Minato-ku, JP;

Inventor:

Naoki Sakamoto, Wako, JP;

Assignee:

HONDA MOTOR CO., LTD., Tokyo, JP;

Attorney:

Squirre Patton Boggs (US) LLP

Primary Examiner:

Justin Holmes

Assistant Examiner:

Stacey Fluhart

Int. Cl.
CPC ...
B60W 10/06 (2006.01); B60W 10/11 (2012.01); B60W 10/02 (2006.01); B60W 30/19 (2012.01); F16H 61/12 (2010.01); F16H 61/70 (2006.01); F16H 63/50 (2006.01); F16H 61/04 (2006.01); F16H 63/46 (2006.01); F16H 59/36 (2006.01); F16H 61/16 (2006.01);
U.S. Cl.
CPC ...
B60W 10/11 (2013.01); B60W 10/02 (2013.01); B60W 10/06 (2013.01); B60W 30/19 (2013.01); F16H 61/0437 (2013.01); F16H 61/12 (2013.01); F16H 61/702 (2013.01); F16H 63/46 (2013.01); F16H 63/502 (2013.01); B60W 2510/0638 (2013.01); B60Y 2300/53 (2013.01); F16H 2059/366 (2013.01); F16H 2061/166 (2013.01); Y10T 477/6403 (2015.01);
Abstract

A transmission control system can include a main transmission. The transmission control system can also include a sub transmission that has two forward transmission gears mechanically shiftable in response to a shift operation. The transmission control system can further include a controller that shifts the transmission gears of the main transmission by activating a shift control motor, and control the clutches configured to enable and disable transmission of a rotational driving force of an engine. When one forward transmission gear of the sub transmission is shifted to the other forward transmission gear in response to the shift operation, the controller can relax engagement of the clutch if an engine speed exceeds a clutch release speed.

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