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:
Oct. 20, 2015

Filed:

Jul. 03, 2012
Applicants:

Shinichirou Wakou, Saitama-ken, JP;

Yoshihisa Tsuchiya, Saitama-ken, JP;

Masanobu Eguchi, Saitama-ken, JP;

Shinji Yasuno, Saitama-ken, JP;

Kanao Kogure, Saitama-ken, JP;

Nobuyuki Akahoshi, Saitama-ken, JP;

Inventors:

Shinichirou Wakou, Saitama-ken, JP;

Yoshihisa Tsuchiya, Saitama-ken, JP;

Masanobu Eguchi, Saitama-ken, JP;

Shinji Yasuno, Saitama-ken, JP;

Kanao Kogure, Saitama-ken, JP;

Nobuyuki Akahoshi, Saitama-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2011.01); G06G 7/70 (2006.01); F02N 11/08 (2006.01); F02D 29/02 (2006.01); B60H 1/00 (2006.01); B60H 1/32 (2006.01);
U.S. Cl.
CPC ...
F02N 11/084 (2013.01); B60H 1/00778 (2013.01); B60H 1/322 (2013.01); F02D 29/02 (2013.01); B60H 2001/3266 (2013.01); B60H 2001/3282 (2013.01); F02N 2200/0806 (2013.01); F02N 2200/0811 (2013.01); F02N 2200/122 (2013.01); Y02T 10/48 (2013.01);
Abstract

A control system for an internal combustion engine, which is capable of properly determining timing for restarting the engine in a stopped state when idle stop control of the engine is executed during a heating operation of an air conditioner, thereby making it possible to ensure marketability and fuel economy performance in a well-balanced manner. The control system executes the idle stop control of the engine during the heating operation of the air conditioner. The control system includes an ECU. The ECU sets a lower limit blowout temperature, calculates an estimated blowout temperature, and controls the engine such that the engine is restarted when the estimated blowout temperature has become not higher than the lower limit blowout temperature.


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