Title:
Thermostatic heat conserving damper
United States Patent 3366333
US Patent References:
Automatic damper
- - 1659875
Draft regulator for combustion apparatus
- - 2167307
Thermostatic down draft control for wood burning heaters
- - 2213235
Temperature control
- - 2292082
/2611543.html
- - 2611543
Automatic damper
- - 1659875
Draft regulator for combustion apparatus
- - 2167307
Thermostatic down draft control for wood burning heaters
- - 2213235
Temperature control
- - 2292082
/2611543.html
- - 2611543
Inventors:
Diehl, Charles G.
Publication Date:
01/30/1968
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Export Citation:
Primary Class:
Other Classes:
236/101D, 236/101R
International Classes:
F23L11/00; G05D23/08; G05D23/01
US Patent References:
| 2711080 | Air conditioning unit with overload protection |
Foreign References:
| GB798350A |