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:
May. 06, 2014
Filed:
Oct. 05, 2010
Takahiro Yamazaki, Tokyo, JP;
Koichirou Ogura, Tokyo, JP;
Hisato Onodera, Tokyo, JP;
Yusuke Suzuki, Tokyo, JP;
Takahiro Yamazaki, Tokyo, JP;
Koichirou Ogura, Tokyo, JP;
Hisato Onodera, Tokyo, JP;
Yusuke Suzuki, Tokyo, JP;
Yamabiko Corporation, Tokyo, JP;
Abstract
In a two-stroke engine () according to the present invention, a piston () has a communication passage () opened to a crank chamber (). An air intake port () is provided on an inner surface () for causing air to flow into the communication passage (). After a scavenging port () is closed by an outer surface () of the piston () moving from the bottom dead center to the top dead center, the communication passage () is opened in the outer surface () of the piston so as to communicate with the air intake port () and the scavenging port ().