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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 9562592 B1

PDFFull Text
Date of Patent:
Feb. 07, 2017

Filed:

Sep. 24, 2015

Method for controlling gear shift

Applicant:

Deere & Company, Moline, IL (US);

Inventors:

Andrew K. Rekow, Cedar Falls, IA (US);

Dennis L. Jeffries, Waterloo, IA (US);

Norbert Fritz, Ilvesheim, DE;

David Mueller, Stutensee, DE;

Rainer Gugel, Plankstadt, DE;

Assignee:

DEERE & COMPANY, Moline, IL (US);

Attorney:
Primary Examiner:

Dirk Wright

Int. Cl.
CPC ...
B60K 1/02 (2006.01); F16H 3/72 (2006.01); B60W 30/188 (2012.01); B60W 10/105 (2012.01); B60W 10/26 (2006.01); F16H 61/66 (2006.01); A01B 61/00 (2006.01); F16H 61/04 (2006.01); F16H 61/686 (2006.01); B60K 6/365 (2007.10); B60K 6/445 (2007.10); B60L 1/00 (2006.01); F16H 37/08 (2006.01);
U.S. Cl.
CPC ...
F16H 3/728 (2013.01); A01B 61/00 (2013.01); B60K 6/365 (2013.01); B60K 6/445 (2013.01); B60L 1/006 (2013.01); B60W 10/105 (2013.01); B60W 10/26 (2013.01); B60W 30/188 (2013.01); F16H 61/04 (2013.01); F16H 61/66 (2013.01); F16H 61/686 (2013.01); B60W 2510/305 (2013.01); B60W 2530/16 (2013.01); B60W 2710/08 (2013.01); B60W 2710/1005 (2013.01); F16H 2037/0886 (2013.01); F16H 2061/6603 (2013.01); F16H 2200/2007 (2013.01); F16H 2200/2023 (2013.01); F16H 2200/2051 (2013.01);
Abstract

A method for controlling a power-split gear shift device in a vehicle by providing an electric variator and a transmission with variable gear shift and connecting a drive motor to a traction drive of the vehicle. The electric variator has a compound gear train with at least one first and at least one second electric machine. The method also includes providing a controller for the electric machines for steplessly varying a gear shift of the compound gear train. Upon detection of an external power requirement by an electric consumer, a gear shift region of the transmission with variable gear shift is set to operate the first electric machine in a generator mode and to operate the second electric machine to compensate for an existing power deficit or a power excess relative to an external power demand.

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