Hot air furnace control
United States Patent 2693914
US Patent References:
Regulation of motor-driven blowers
- - 1539717

Furnace
- - 1546450

Apparatus and method of controlling fans
- - 1862289

Heating system
- - 2120803

Filter protection
- - 2154051


Inventors:
Payne, Roy EL. L.
Publication Date:
11/09/1954
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Assignee:
Payne, Roy EL. L.
Primary Class:
236/11
Other Classes:
236/1E, 415/144, 126/110R, 126/116R, 236/1EB
International Classes:
F24H9/20
US Patent References:
2226510Air conditioning system
2327841Propeller fan
2396000Engine cooling apparatus
2402177Control system
2569877Thermostatically controlled vaporizing fuel burner