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:
Jun. 11, 1985
Filed:
Dec. 20, 1983
Applicant:
Inventors:
Takao Tomita, Niiza, JP;
Masahiro Akiba, Tokyo, JP;
Hideki Toyota, Kamifukuoka, JP;
Yasuo Terada, Kawagoe, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60314 ; 60312 ;
Abstract
Exhaust system control apparatus for internal combustion engine having an exhaust line and a branch line thereon, and an opening and closing valve on said branch line adapted to open when the engine operates at low speed and to close when the engine operates at high speed. The ratio between the cross-sectional areas of the branch line and the exhaust line is about 0.6 to 0.8.