Exhaust pipe structure of motorcycle
US9435247B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2015 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Mar 16, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B61/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust pipe structure of a motorcycle allowing exhaust air of an exhaust pipe having a branching part to flow into the respective exhaust pipes on the downstream side of the branching part uniformly and smoothly. In an exhaust pipe structure of a motorcycle having an engine attached to a vehicle body frame, an exhaust pipe is connected to an exhaust port of the engine and is provided with a branching pipe that branches into a left-rear-portion exhaust pipe and a right-rear-portion exhaust pipe. A muffler is connected to the left-rear-portion exhaust pipe. A muffler is connected to the right-rear-portion exhaust pipe. The branching pipe is located on a lateral side of a cylinder unit of the engine and above a crankcase cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.