Patent ID: 7094050
Filing Date: 2006-08-22
Classification: F23D

Abstract:
1. A burner comprising: a metal plate with a round opening, having formed thereto a plurality of flame ports arranged along an inner circumference of the opening and an annular mixture pipe disposed outwardly of the opening for supplying a mixture of gas and primary air to the flame ports; and substantially annular upper and lower flow regulating plates respectively disposed above and below the metal plate with a clearance therebetween for regulating flow of secondary air; a flange portion formed integrally thereto and projecting outwardly of the annular mixture pipe; and arms formed integrally to the upper and lower flow regulating plates, extending from outer circumferences of the upper and lower flow regulating plates across the annular mixture pipe to a position corresponding to the flange portion and fixed mechanically to the flange portion.