Gas water heater having nitric oxide detector

Abstract

A gas water heater includes a piping disposed in a housing for receiving a fluid to be heated, a gas burner for receiving a gaseous fuel and for generating a heat to heat the fluid flowing through the piping, and a regulating device coupled to the gas burner for adjusting the supplying of the gaseous fuel to the gas burner. A nitric oxide detector is disposed in the housing for detecting the nitric oxide compounds generated by the gas burner, and a control device is coupled to the nitric oxide detector for receiving the detected signal from the nitric oxide detector and for operating the regulating device to adjust the supplying of the gaseous fuel to the gas burner and for allowing the gaseous fuel to be completely burned.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a gas water heater, and more particularly to a gas water heater including a nitric oxide detector for detecting the quantity of the nitric oxide (NO), the nitrogen oxides, the nitrogen tetroxide, or other nitrogen-oxygen compounds (NOx) generated by the gas burner and for adjusting or regulating the supplying of the gaseous fuel to the gas burner and for adjusting or regulating the burning of the gaseous fuel and for suitably reducing the quantity of the nitrous oxide compounds.[0003]2. Description of the Prior Art[0004]Typical gas water heaters comprise a gas burner and a gaseous fuel supplying pipe coupled to the gas burner for suitably supplying the gaseous fuel to the gas burner and for allowing the gaseous fuel to be burned or combusted by the gas burner to generate heat and to heat the water or the fluid or the like and thus for suitably supplying the heated or hot water to the use...

AI Technical Summary

Benefits of technology

[0012]The primary objective of the present invention is to provide a gas water heater including a nitric oxide detector for detecting the quantity of the nitric oxide (NO), the nitrogen oxides, the nitrogen tetroxide, or other nitrogen-oxygen compounds (NOx) generated by the gas burner and for adjusting or regulating the supplying of the gaseous fuel to the gas burner and for adjusting or regulating the burning of the gaseous fuel and for suitably reducing the quantity of the nitrous oxide compounds.

Problems solved by technology

However, the gas burner may generate a nitric oxide compound (NOx) when burning or combusting the gaseous fuel, and the nitric oxide may be filled within the house building and may even kill people when the air circulation arrangement of the house building is not good enough.

In addition, when too much nitric oxide is generated, it means that the gaseous fuel has been over supplied to the gas burner and the gaseous fuel may not be suitably or completely burned or combusted by the gas burner such that much of the gaseous fuel will be wasted and such that the typical gas water heater is not economical.

However, similarly, when burning or combusting the gaseous fuel, the gas burner may generate a nitric oxide (NOx) and the nitric oxide may also have a good chance to kill the people within the house building.

In addition, in some circumstances, the gaseous fuel may not be suitably or completely burned or combusted by the gas burner and may thus generate too much nitric oxide such that the gaseous fuel may have been over supplied to the gas burner and such that much of the gaseous fuel will be wasted and such that the typical gas water heater is not economical.

However, an additional detector block is required to be provided for detecting the flame, and the burner also may generate a nitric oxide and the nitric oxide may also have a good chance to kill the people within the house building.

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