Importance

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Abstract

Disclosed is a combustion apparatus using an air fuel ratio sensor, which detects the operation of the air fuel sensor based on pressure of gas and air introduced into a combustion chamber and adjusts the amount of gas and air introduced into the combustion chamber using a controller based on data detected by the air fuel sensor. The combustion apparatus includes a combustion chamber of a boiler; a blower installed in an air feeding line communicated with the the combustion chamber; an electronic proportional gas valve installed in a gas feeding line communicated with the combustion chamber; an air fuel ratio sensor including a movement section connected to the combustion chamber, the blower and the electronic proportional gas valve and moved up and down according to pneumatic pressure supplied thereto from the combustion chamber, the blower and the electronic proportional gas valve, and a distance sensor for detecting a moving distance of the movement section; and a controller for adjusting an amount of gas and air based on data detected by the distance sensor.

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First Claim