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 7201146 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 10, 2007

Filed:

Nov. 08, 2005
Applicant:

Koji Araki, Toyota, JP;

Inventor:

Koji Araki, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 7/00 (2006.01); F02M 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An engine ECU executes a program including the steps of calculating an in-cylinder injector's injection ratio; if the ratio is 1, calculating a cold state increase value by employing a function f(1) having the engine's temperature as a parameter; if the ratio is 0, calculating a cold state increase value by employing a function f(2) having the engine's temperature as a parameter; and if the ratio is larger than 0 and smaller than 1, calculating a cold state increase value by employing a function f(3) having the engine's temperature and the ratio as parameters.


Find Patent Forward Citations

Araki, Koji. (2007). Control apparatus for internal combustion engine (U.S. Patent No. 7201146). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7201146

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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