Mixture control unit system for soil venting apparatus
US5070850A · kind A · utility
13Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1990 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Apr 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention provides a mixture control system for controlling the flow of vaporized hydrocarbons drawn into an engine for combustion and combining a supplemental fuel with the vaporized hydrocarbons as required to maintain a near stoichiometric mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.