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:
Dec. 23, 2003
Filed:
Oct. 03, 2001
Kosaku Yamauchi, Hamana-Gun, JP;
Suzuki Kabushiki Kaisha, Hamamatsu, JP;
Abstract
The power unit for a motorcycle comprising an engine unit having a casing in which a crankshaft and a countershaft are rotatably supported in parallel to each other, and a transmission unit having a casing in which a transmission input shaft and a transmission output shaft are rotatably supported in parallel to each other to define a dry belt drive-type transmission device. The transmission input shaft of the transmission unit is being connected to the countershaft of the engine unit so as to be rotatable together with the countershaft. A cooling fan chamber is provided at a joined portion of the casing of the engine unit to the casing of the transmission unit, said cooling fan chamber is communicated with an inside and outside of the casing of the transmission unit. A cooling fan is disposed in said cooling fan chamber so as to rotate together with the connecting portion of the countershaft and the transmission input shaft in a vicinity of said connection section. The cooling fan introduces cooling air into the casing of the transmission unit.