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. 10, 2012
Filed:
Dec. 02, 2009
Terutaka Yasuda, Chiyoda-ku, JP;
Terutaka Yasuda, Chiyoda-ku, JP;
Maruyama Mfg. Co., Inc., Tokyo, JP;
Abstract
A two-stroke engine has a scavenging port for introduction of a working gas containing fuel, into a combustion chamber, and an exhaust port for discharge of gas in the combustion chamber therefrom, in which a piston connected to a crankshaft through a connecting rod reciprocates in the combustion chamber with rotary drive of the crankshaft, to control opening and closing of the scavenging port and the exhaust port, in which as the piston moves from a top dead center to a bottom dead center, the exhaust port and the scavenging port open in the order named, and in which as the piston moves from the bottom dead center to the top dead center, the scavenging port and the exhaust port close in the order named.