Patent ID: 7771192

Claim:
A combustion apparatus comprising: a pilot burner; a main burner; an air supply route for supplying air to the pilot burner provided therein so that the air supply route is branched off from the upstream side of a damper for adjusting an amount of air supplied to the main burner, the air supply route is branched off from the upstream side of the damper to form a first air supply route; a second air supply route branched off from the first air supply route, the second air supply route includes a valve; a third air supply route branched off from the first air supply route; and a fourth air supply route connected to the second air supply route and the third air supply route, the fourth air supply route is coupled to the pilot burner, wherein, the supply of fuel to the pilot burner is stopped and a supply amount adjusting means substantially reduces the amount of air supplied to the pilot burner when the main burner is in a combustion state.