Saddle-type vehicle including an exhaust secondary air valve
US6250076A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2000 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Jan 18, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
To provide an exhaust secondary air system intended to shorten the length of secondary air feed pipes connected to an exhaust secondary air valve thereby making compact the exhaust secondary air system including the secondary air feed pipes, and also to cool the exhaust secondary air valve and the secondary air feed pipes with running wind. A saddle-type vehicle includes a main frame extending rearwardly from a head pipe; a down frame extending downwardly from the head pipe; an engine disposed under the main frame and behind the down frame; and an exhaust secondary air valve, connected to a secondary air feed pipe, for feeding secondary air to an exhaust passage of the engine via the secondary air feed pipe; wherein the exhaust secondary air-valve is mounted on the down frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.