Burner

Abstract

A burner capable of reducing manufacturing costs by attaching upper and lower flow regulating plates to a metal plate rationally from the viewpoint of costs is provided. A burner 100 comprises a metal plate, having formed thereto a plurality of flame ports 102 disposed along the inner circumference of an opening 101 and alternately protruding in the upper and lower directions, and an annular mixture pipe 106 disposed outwardly of the opening 101. Substantially annular upper and lower flow regulating plates 200 and 300 are respectively disposed above and below the burner 100 with a clearance therebetween. The burner 100 has an integrally disposed flange portion 120 extending outwardly from the annular mixture pipe 106. The upper and lower flow regulating plates 200 and 300 have integrally disposed arms 220 and 320 that extend from outer circumferences of the upper and lower flow regulating plates 200 and 300 across the annular mixture pipe to a position corresponding to the flange portion and crimped to the flange portion.

Dependencies are inferred from the claim text.