Vent control arrangement for combustion apparatus

Details Vent control arrangement for combustion apparatus Vent control arrangement for combustion apparatus

1979-01-12

1981-01-20

Yeung, James C.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

236 93R, 236101B, 126285R, F23L 300, G05D 2308

Patent

active

042457785

ABSTRACT:
A vent control arrangement for energy conservation having bimetallic damper elements mounted in a draft hood which forms an integral part of the heating apparatus. The bimetallic elements open and close the flow passage for vent gases from the combustion apparatus in response to temperature change. The vent control arrangement is designed for minimum resistance to the flow of vent gases when installed in the integral draft hood. A design without friction surfaces and without transfer of movements or signals between components is used. Opening time is minimized by closeness to the heat source and in one embodiment by alternate bimetal reeds of different initial tension, in other embodiments by alternate orientation, or by different flexivity of alternate bimetal reeds.

REFERENCES:
patent: 3073296 (1963-01-01), Hollingsworth et al.
patent: 3134377 (1964-05-01), Kanoy
patent: 3228605 (1966-01-01), Diermeyer
patent: 3782627 (1974-01-01), Akesson
patent: 3847066 (1974-11-01), Ham
patent: 4141495 (1979-02-01), Diermeyer
patent: 4159078 (1979-06-01), Diermeyer

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