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:
May. 10, 2005

Filed:

Jul. 28, 2003
Applicants:

Kaoru Hanawa, Saitama, JP;

Hiroya Ueda, Saitama, JP;

Inventors:

Kaoru Hanawa, Saitama, JP;

Hiroya Ueda, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M023/00 ;
U.S. Cl.
CPC ...
Abstract

In an engine fuel injection apparatus including an injector having a fuel injection valve for injecting fuel and an air fuel injection valve that is mounted to a cylinder head so as to inject fuel directly into a combustion chamber with compressed air an increase in the size of the engine and the complexity of the structure around the engine are avoided and the pumping efficiency of a compressed air pump is improved. At least part of the compressed air supply route for supplying compressed air to the injector is provided directly in the cylinder head while passing the area in the vicinity of an exhaust port.


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