Low emission engines
US5377650A · kind A · utility
19Cited by
14References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Oct 26, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A small engine emissions control system with a float bowl carburetor minimizing CO emissions by tailoring fuel delivery to engine demand over a broad range of operating speeds and conditions, an exhaust gas recirculation valve to reduce NO.sub.x emissions and a pulse valve mixing fresh air with hot exhaust gases to reduce HC and CO emissions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.