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 7938098 B1

PDF
Full Text
Expired
Date of Patent:
May. 10, 2011

Filed:

Jul. 26, 2007
Applicant:

Takeshi Ashizawa, Yokohama, JP;

Inventor:

Takeshi Ashizawa, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ECU controls an internal combustion engine which generates a tumble flow inside a cylinder and strengthens the tumble flow by fuel injected near bottom dead center of an intake stroke. The ECU includes an injection timing changing device that changes the injection timing of fuel based on the amount of air drawn into a cylinder of the internal combustion engine.


Find Patent Forward Citations

Ashizawa, Takeshi. (2011). Control apparatus and control method of in-cylinder injection type spark ignition internal combustion engine (U.S. Patent No. 7938098). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7938098

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