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. 14, 1983
Filed:
Mar. 17, 1981
Junji Otani, Oomiya, JP;
Yasuo Ikenoya, Kawagoe, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A motorcycle comprising a frame on which are mounted a fuel tank, a seat, front and rear wheels, and a multi-cylinder internal combustion engine disposed in a space defined by the fuel tank, seat and wheels. The engine has a plurality of exhaust ports open at the front of the engine connected to an exhaust system. An exhaust gas cleaning system is provided for the multi-cylinder internal combustion engine and comprises a reed valve assembly on the engine operating in response to pulsating exhaust pressure in the engine for selectively connecting an upstream secondary air passage connected to an inlet port of the reed valve assembly and a plurality of downstream secondary air passages of substantially equal length connected between outlet ports of the reed valve assembly and corresponding exhaust ports of the engine.