Patent · US Expired

Motorcycle

US6591934B2 · kind B2 · utility

18Cited by
14References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 6, 2001
Grant dateJul 15, 2003
Priority date
Expiry dateSep 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.