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:
Oct. 25, 1988
Filed:
Apr. 17, 1987
Applicant:
Inventors:
Hiroyuki Oda, Hiroshima, JP;
Hiroyasu Uchida, Hiroshima, JP;
Toru Shiraishi, Hiroshima, JP;
Shunji Masuda, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123432 ; 123 / ; 123308 ;
Abstract
An engine intake system including a main intake passage leading through an intake port to a combustion chamber, an auxiliary intake passage branched from the main intake passage and opened to the intake passage, and a control valve provided in the main intake passage and adapted to be opened under a heavy load engine operation and closed under a light load engine operation. A fuel injection valve is provided in the auxiliary intake passage close to the opening of the intake port to the combustion chamber to inject fuel toward the combustion chamber.