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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 10676102 B1

PDFFull Text
Date of Patent:
Jun. 09, 2020

Filed:

Jan. 16, 2018

Control system for hybrid vehicle

Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Naoki Nakamura, Wako, JP;

Shinji Takuno, Wako, JP;

Masanori Matsushita, Wako, JP;

Assignee:

Honda Motor Co., Ltd., Tokyo, JP;

Attorney:

Armstrong Teasdale LLP

Primary Examiner:

Russell Frejd

Int. Cl.
CPC ...
B60W 50/14 (2020.01); B60W 20/40 (2016.01); B60W 10/02 (2006.01); B60W 10/06 (2006.01); F01M 11/12 (2006.01); F02D 41/22 (2006.01); F01M 1/20 (2006.01); F02D 41/02 (2006.01); B60W 50/02 (2012.01); B60W 20/50 (2016.01); B60K 6/442 (2007.10); B60K 6/387 (2007.10);
U.S. Cl.
CPC ...
B60W 50/14 (2013.01); B60K 6/387 (2013.01); B60K 6/442 (2013.01); B60W 10/02 (2013.01); B60W 10/026 (2013.01); B60W 10/06 (2013.01); B60W 20/40 (2013.01); B60W 20/50 (2013.01); B60W 50/0205 (2013.01); F01M 1/20 (2013.01); F01M 11/12 (2013.01); F02D 41/022 (2013.01); F02D 41/22 (2013.01); B60W 2050/021 (2013.01); B60W 2050/143 (2013.01); B60W 2510/0208 (2013.01); B60W 2510/0638 (2013.01); B60W 2510/0685 (2013.01); B60W 2710/021 (2013.01); F02D 2041/228 (2013.01); F02D 2200/024 (2013.01); F02D 2200/101 (2013.01); F16N 2250/04 (2013.01); Y10S 903/912 (2013.01);
Abstract

Provided is a control system () for a hybrid vehicle () which is configured to directly transmit an output of an internal combustion engine () to a driven wheel () via a lockup clutch () and transmit an output of an electric motor is to the driven wheel by disengaging the lockup clutch depending on an operating state of the vehicle. The control system is configured to activate a warning unit () when the oil pressure is below a prescribed oil pressure threshold value and the rotational speed of the engine detected by the rotary encoder is higher than a rotational speed threshold value. The rotational speed threshold value is a first threshold value when the lockup clutch is fully disengaged, and a second threshold value higher than the first threshold value when the lockup clutch is fully engaged, being engaged and being disengaged.

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