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:
Sep. 03, 2019

Filed:

Nov. 20, 2014
Applicant:

Volvo Truck Corporation, Göteborg, SE;

Inventor:

Fredrik Karpenman, Västra Frölunda, SE;

Assignee:

Volvo Truck Corporation, Göteborg, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/688 (2006.01); F16H 3/12 (2006.01); F16H 61/04 (2006.01);
U.S. Cl.
CPC ...
F16H 61/688 (2013.01); F16H 3/12 (2013.01); F16H 61/04 (2013.01); F16H 2061/047 (2013.01);
Abstract

A method for controlling a multi-clutch transmission of a vehicle includes activating the central synchronizer to the first active state, such that the speed of a first member of a tooth clutch, attempting to engage the tooth clutch to be engaged, and if the tooth clutch to be engaged is determined not to be fully engaged a predetermined period of time after an initiation of an engagement, the following steps are performed: activating the central synchronizer to the second active state such that the speeds of the two members of the tooth clutch to be engaged are slightly unsynchronized, and engaging the tooth clutch to be engaged.


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