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. 14, 2013
Filed:
Aug. 12, 2009
Applicants:
Toshinori Yasutomi, Ibaraki, JP;
Shinki Ohtsu, Ibaraki, JP;
Junichi Kamimura, Ibaraki, JP;
Inventors:
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A two cycle engine has an exhaust port provided in a side portion of a cylinder, and a scavenge air port provided in the side portion of the cylinder so as to be symmetrical with a plane passing through a center in a cylinder circumference direction of the exhaust port and an axis extending to inside of the cylinder, the scavenge air port is structured such that an axis extending to inside of the cylinder from an opening of the scavenge air port extends in such a direction as to be away from the exhaust port of the cylinder, and is divided in a cylinder axis direction by a dividing portion.