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. 15, 2008
Filed:
Dec. 16, 2005
Applicants:
Tatsuya Masuda, Shizuoka-ken, JP;
Yousuke Ishida, Shizuoka-ken, JP;
Inventors:
Tatsuya Masuda, Shizuoka-ken, JP;
Yousuke Ishida, Shizuoka-ken, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 75/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine has a built-in continuously variable transmission (CVT) interconnecting a crankshaft connected through a connecting rod to a piston and a transmission shaft to which the rotation of the crankshaft is transmitted for changing speed between both of the shafts. A driven pulley and a clutch are disposed on the transmission shaft. A balancer shaft to which the rotation of the crankshaft is transmitted and the clutch are disposed in an overlapping positional relationship with each other in the direction of the crankshaft.