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:
Mar. 14, 2006
Filed:
Jul. 27, 2004
Shiro Yamaguchi, Tokyo, JP;
Kentaro Matsuo, Saitama, JP;
Keita Kamo, Tokyo, JP;
Hidekazu Tsunoda, Tokyo, JP;
Shiro Yamaguchi, Tokyo, JP;
Kentaro Matsuo, Saitama, JP;
Keita Kamo, Tokyo, JP;
Hidekazu Tsunoda, Tokyo, JP;
Kioritz Corporation, Tokyo, JP;
Abstract
A two-stroke internal combustion engine () is provided with one pair or plural pairs of C-shaped scavenging passageways () of a reverse flow system where scavenging inlet ports () as well as scavenging outlet ports () are both opened to a cylinder bore (), wherein a scavenging introducing passageway () for introducing an air-fuel mixture (K) from a crank chamber () into the scavenging inlet ports () is provided between the cylinder bore and the piston adapted to reciprocatively move up and down in the cylinder bore (), and an effective opening area of the scavenging inlet ports () is gradually decreased due to the piston () in the course of descending stroke of the piston ().