Water heater combustion chamber sensing system

Details Water heater combustion chamber sensing system Water heater combustion chamber sensing system

2005-12-22

2008-11-18

Wilson, Gregory A (Department: 3749)

Liquid heaters and vaporizers

Stand boiler

And condition responsive feature

Reexamination Certificate

active

07451725

ABSTRACT:
A combustion chamber is disposed below the water container of a water heater and formed at least partially by a shell. A burner disposed within the combustion chamber and a fuel supply line is connected to the burner. A valve associated with the fuel supply line. A combustion chamber sensor is disposed within the combustion chamber and adapted to sense a rise in temperature indicative of an abnormality in the combustion chamber. A circuit connected to the sensor and the valve such that the circuit triggers the valve to shut off fuel to the burner in response to a sensed temperature by the sensor.

REFERENCES:
patent: 6053130 (2000-04-01), Shellenberger
patent: 6293230 (2001-09-01), Valcic et al.
patent: 6715415 (2004-04-01), Yamasaki et al.
patent: 6893253 (2005-05-01), Stretch et al.
patent: 6957628 (2005-10-01), Stretch et al.
patent: 6964248 (2005-11-01), Stretch et al.
patent: 7290502 (2007-11-01), Kidd et al.
patent: 09114317 (1997-05-01), None

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