Fuel enrichment system
US6196524A · kind A · utility
3Cited by
26References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1993 |
| Grant date | Mar 6, 2001 |
| Priority date | — |
| Expiry date | Oct 1, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a fuel supply system comprising a carburetor including a fuel bowl, an air induction passage including therein a venturi, a throttle valve located in the air induction passage downstream of the venturi, a fuel enrichment conduit communicating between the fuel bowl and the air induction passage downstream of the throttle valve, and a temperature responsive valve for admitting air to the fuel enrichment conduit when the ambient temperature is above a predetermined level and for admitting air to the air induction passage when the engine temperature is below the predetermined level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.