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.:
Date of Patent:
Feb. 03, 2004
Filed:
Mar. 21, 2002
Applicant:
Inventor:
Yukio Miyashita, Saitama, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Minato-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 ;
U.S. Cl.
CPC ...
F01L 1/34 ;
Abstract
An EGR passage that recirculates exhaust gases in an exhaust pipe of an engine to an intake system by negative intake-gas pressure is provided. An intake cam that opens and closes an intake valve is provided so that a phase angle of the intake cam may be adjusted through a VTC (phase angle adjustment means). The phase angle of the intake cam is adjusted in accordance with increase or decrease of a flow rate of recirculation of exhaust gases, thus restricting occurrence of NO .