Variable flow volume control baffle and vent damper

Details Variable flow volume control baffle and vent damper Variable flow volume control baffle and vent damper

1996-01-16

1997-11-04

Bennett, Henry A.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

122 131, F22B 504

Patent

active

056828411

ABSTRACT:
Apparatus for improving the efficiency of a water heater having a tank, a burner and a flue, the flue being disposed within the tank for evacuation of burned combustion gases therethrough with resulting heating of water in the tank, generally including combustion gas deflector for enhancing heat transfer from the combustion gases through a flue wall and into surrounding water during ignition of the burner, a vent damper for preventing ambient air in the flue, heated by the directing means and flue, from escaping the flue during nonignition of the burner.

REFERENCES:
patent: 4344479 (1982-08-01), Bailey
patent: 4549525 (1985-10-01), Narang
patent: 4770160 (1988-09-01), Schimmeyer
patent: 4953510 (1990-09-01), Akkala et al.
patent: 5239947 (1993-08-01), Schimmeyer

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