Two cycle engine vapor emission control
US4993225A · kind A · utility
4Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jun 21, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2075/025
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An emission system especially for controlling evaporative emissions from the fuel system of a two cycle engine having a split exhaust wherein a combustor is provided to burn fuel vapor mixed with scavenging air exhausted from the engine and the combustor exhaust may be mixed with the engine blowdown gas for further treatment in a catalytic device or other treatment means. Additional control features are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.