Damper controller for a chemical recovery furnace
US5167192A · kind A · utility
14Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Feb 28, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23J3/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A controller for a damper in a chemical recovery furnace relieves physical engagement between the damper mechanism and an operating handle therefor when such handle is being repositioned. The damper is repositioned to prevent interference with an adjacent port cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.