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:
Jul. 17, 2007
Filed:
Jun. 02, 2006
Kazuhiro Tsutsui, Tokyo, JP;
Takuo Yoshizaki, Tokyo, JP;
Shirou Yamaguchi, Tokyo, JP;
Kioritz Corporation, Tokyo, JP;
Abstract
A two-stroke internal combustion engine () includes one pair or two pairs of scavenging passageways () of reverse flow system where scavenging outlet ports () are opened to the cylinder bore (); the internal combustion engine being characterized in that an external air inlet port () for introducing external air into a combustion actuating chamber () formed over a piston () is formed at a portion of the cylinder () which is located closer to an exhaust port than a scavenging outlet port () from which an air-fuel mixture (M) is introduced into the combustion actuating chamber () in a descending stroke of piston, and/or the external air inlet port () is formed at a portion of the cylinder () which enables the external air to be introduced into the combustion actuating chamber () prior to introduction of the air-fuel mixture (M).