Purge control device for use in an internal combustion engine
US4986070A · kind A · utility
12Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Mar 9, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A purge control device comprising a determining unit and a control unit, whereby, when the determining unit determines that a catalyst arranged in a exhaust passage is in a state wherein hydrogen sulfide can be produced, the control unit reduces the amount of the purge gas purged from a charcoal canister and fed into an intake passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.