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 8099228 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 17, 2012

Filed:

Dec. 26, 2008
Applicants:

Takashi Ogawa, Susono, JP;

Tomoyuki Kogo, Gotenba, JP;

Kazuyasu Iwata, Susono, JP;

Katsuhiro Ito, Mishima, JP;

Inventors:

Takashi Ogawa, Susono, JP;

Tomoyuki Kogo, Gotenba, JP;

Kazuyasu Iwata, Susono, JP;

Katsuhiro Ito, Mishima, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 23/00 (2006.01); F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A control apparatus for an internal combustion engine, which can generate exhaust pressure pulsation at an early period while suppressing the degradation of volumetric efficiency and can effectively utilize a scavenging effect while softening a torque difference, when a request to enhance the exhaust pressure pulsation is made in the internal combustion engine which includes a variable valve mechanism that makes a valve overlap period changeable, and a variable nozzle type turbocharger.


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