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:
Feb. 25, 2020

Filed:

Nov. 15, 2016
Applicant:

Jatco Ltd, Fuji-shi, Shizuoka, JP;

Inventors:

Tomoo Mochizuki, Isehara, JP;

Kenichi Ooshima, Isehara, JP;

Hiroshi Miyazaki, Yokohama, JP;

Yuji Torizawa, Isehara, JP;

Hiroki Matsui, Kanagawa, JP;

Daisuke Nakagawa, Kanagawa, JP;

Takefumi Suzuki, Kanagawa, JP;

Assignee:

JATCO LTD, Fuji-Shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60W 10/08 (2006.01); B60L 15/20 (2006.01); B60W 10/02 (2006.01); B60W 30/18 (2012.01); B60W 20/40 (2016.01);
U.S. Cl.
CPC ...
B60L 15/2054 (2013.01); B60W 10/02 (2013.01); B60W 10/08 (2013.01); B60W 30/18063 (2013.01); B60L 2240/423 (2013.01); B60L 2240/48 (2013.01); B60W 20/40 (2013.01); B60W 2510/1005 (2013.01); B60W 2520/04 (2013.01); B60W 2540/10 (2013.01); B60W 2540/12 (2013.01); B60W 2710/021 (2013.01); B60W 2710/083 (2013.01); Y10S 903/914 (2013.01); Y10T 477/26 (2015.01); Y10T 477/32 (2015.01);
Abstract

In a specific state where an electric vehicle is in a stop state and a creep torque is generate in an electric motor (), when a shift range is switched from a traveling range to a non-traveling range, a motor control section (B) performs a torque decrease control to stepwisely decrease the creep torque of the electric motor (), and an automatic transmission control device () performs a disengagement control to gradually disengage the frictional engagement element of the automatic transmission ().


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