Automatic damper means and controls therefor
USRE31256E · kind E · reissue
4Cited by
16References
16Claims
0Family size
Inventor
Key dates
| Filing date | Mar 12, 1982 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Mar 12, 2002 |
Classification
- Technology area (CPC —)General
Abstract
An automatic damper means and controls, which provide an exceedingly safe automatic damper for the exhaust duct-work of an associated gas furnace or the like, by automatic control of the damper, and automatic control of the gas supply, with redundancy features for providing exceedingly safe operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.