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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 8838317 B1

PDFFull Text
Date of Patent:
Sep. 16, 2014

Filed:

Jul. 20, 2011

Hybrid-vehicle control device

Applicant:

Tadashi Okuda, Hadano, JP;

Inventor:

Tadashi Okuda, Hadano, JP;

Assignee:

Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;

Attorney:

Young Basile

Primary Examiner:

Mary Cheung

Assistant Examiner:

Yuen Wong

Int. Cl.
CPC ...
B60W 20/00 (2006.01); B60W 10/08 (2006.01); B60W 10/06 (2006.01); B60K 6/48 (2007.10); B60W 10/10 (2012.01); B60W 30/192 (2012.01); B60W 10/02 (2006.01); F02D 29/00 (2006.01); B60L 11/12 (2006.01); F02N 11/00 (2006.01); F16H 61/02 (2006.01);
U.S. Cl.
CPC ...
B60W 20/20 (2013.01); B60W 20/00 (2013.01); F02N 2200/0802 (2013.01); F02N 2300/104 (2013.01); Y02T 10/6221 (2013.01); B60L 2240/486 (2013.01); Y02T 10/6286 (2013.01); F02N 11/00 (2013.01); B60W 10/08 (2013.01); B60W 10/06 (2013.01); F02N 2200/042 (2013.01); B60W 2600/00 (2013.01); B60L 2260/26 (2013.01); B60K 6/48 (2013.01); B60L 2240/443 (2013.01); Y10S 903/93 (2013.01); B60W 10/10 (2013.01); B60W 2510/1005 (2013.01); B60W 2710/105 (2013.01); B60W 30/192 (2013.01); B60W 2710/0644 (2013.01); B60W 10/02 (2013.01); F02D 29/00 (2013.01); B60L 11/12 (2013.01); F16H 2061/023 (2013.01);
Abstract

Provided is a hybrid-vehicle control device that can continue high-speed driving, without transitioning to the HEV mode, by raising the motor torque limit during driving in the EV mode. The hybrid-vehicle control device includes: an engine; a motor that starts the engine and that drives driving wheels; a first clutch that switches between the HEV mode and the EV mode; an automatic transmission; and an electric-vehicle mode control means. The smaller the transmission ratio of the transmission is during driving in the EV mode, the smaller the value of the engine start torque, which is reserved for transitioning to the HEV mode, is made by the electric-vehicle mode control means.

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