Motorcycle
US6591934B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2001 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Sep 6, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2001/245
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a motorcycle, a crankshaft and a balancer shaft are supported on a matching surface between a cylinder block and a crankcase, the balancer shaft is arranged above a crankshaft, auxiliary devices of a engine unit are placed in front of and behind the balancer shaft, the auxiliary devices with smaller outer diameters among the auxiliary devices are arranged in front of the balancer shaft, the auxiliary devices with larger outer diameters are arranged behind the balancer shaft, and an oil filter is provided in a lower portion of the cylinder block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.