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:
Aug. 03, 2010

Filed:

Jan. 29, 2009
Applicants:

Koji Kawakita, Ohbu, JP;

Katsunori Ueda, Okazaki, JP;

Toshiyuki Miyata, Okazaki, JP;

Hiroki Yamamoto, Nagoya, JP;

Inventors:

Koji Kawakita, Ohbu, JP;

Katsunori Ueda, Okazaki, JP;

Toshiyuki Miyata, Okazaki, JP;

Hiroki Yamamoto, Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel injection controller for an engine that injects fuel to an inlet passage in an upstream side of an inlet valve from a fuel injection unit, includes: a first calculator, configured to calculate a basic fuel injection quantity from the fuel injection unit based on an operating condition of the engine; a second calculator, configured to calculate a first direct transport rate of fuel directly transported into a cylinder of the fuel injected from the fuel injection unit when the inlet valve is closed; a third calculator, configured to calculate a second direct transport rate of fuel directly transported into a cylinder of the fuel injected from the fuel injection unit when the inlet valve is opened; and a corrector, configured to correct the basic fuel injection quantity based on the first direct transport rate and the second direct transport rate.


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