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:
Mar. 06, 1984

Filed:

Aug. 23, 1982
Applicant:
Inventors:

Hiroki Matsuoka, Susono, JP;

Yuichi Kato, Susono, JP;

Minoru Iwata, Susono, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123472 ; 123531 ; 239403 ; 239405 ;
Abstract

In an air assist device of a fuel injection type internal combustion engine, having an air assisted injector provided close to a nozzle thereof with an adapter constituting an assist air introducing portion, in which assist air introduced into the assist air introducing portion through assist air intake ports formed in the peripheral wall of the adapter is blown out of an assist air jet formed at the bottom of the adapter together with fuel so as to facilitate the atomization of fuel, the diameter of each opening of the assist air intake ports is made smaller than the diameter of an opening of the assist air jet, the assist air intake ports are provided in a plural number, so that the total opening area of the assist air intake ports can be made larger than the opening area of the assist air jet, and/or the assist air intake ports are penetrated in directions tangential to the inner wall surface of the adapter.


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