Device for controlling heating efficiency of water heater

Details Device for controlling heating efficiency of water heater Device for controlling heating efficiency of water heater

1993-05-06

1994-09-13

Dority, Carroll B.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

236 45, 126285R, F23N 300

Patent

active

053461266

ABSTRACT:
A device for use in improving the heating efficiency of a water heater comprises a housing mounted over the heat collecting pieces of the water heater and provided with at least a set of ventilating ports, each of which is composed of a predetermined number of ventilation holes arranged in a geometric pattern. Pivoted to each of the ventilation holes is a damper, which can be triggered by a heat sensing element to turn so as to open or close automatically the ventiation holes. The heat sensing element is caused by heat to deform in order to bring about a displacement of the damper. The extent of the opening of the ventilation holes depends on the extent of the displacement of the damper.

REFERENCES:
patent: 4460121 (1984-07-01), Hedrick

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