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Title:
Thermostatic heat conserving damper
United States Patent 3366333
Inventors:
Diehl, Charles G.
Publication Date:
01/30/1968
Export Citation:
Click for automatic bibliography generation
Primary Class:
236/93R
Other Classes:
236/101D, 236/101R
International Classes:
F23L11/00
;
G05D23/08
;
F23L11/00
;
G05D23/01
View Patent Images:
Download PDF 3366333
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US Patent References:
2711080
Air conditioning unit with overload protection
2611543
N/A
2292082
Temperature control
2213235
Thermostatic down draft control for wood burning heaters
2167307
Draft regulator for combustion apparatus
1659875
Automatic damper
Foreign References:
GB798350A