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6. 发明专利

JP5373715B2 Tubular burner 有权
公开(公告)号：JP5373715B2
公开(公告)日：2013-12-18
申请号：JP2010176151
申请日：2010-08-05
申请人：リンナイ株式会社
发明人：啓介森
IPC分类号： F23D14/08
摘要： PROBLEM TO BE SOLVED: To provide a tubular burner having a flame hole member 3 fitted to the front end of a mixing tube 2 having an inlet 21 at the rear end where fuel gas and primary air flow in, in which the flame hole member is made by sheet metal working with a low material cost, to reduce the cost of the burner, and preventing flame from spreading radially outward. SOLUTION: The flame hole member 3 is composed of a front sheet 4 by sheet metal working and a rear plate 5 by sheet metal working. A cylindrical first flame hole 41 is formed at the center of the front plate 4 with protruding from the front face, and a plurality of second flame holes 42 smaller than the first flame hole 41 are formed around the first flame hole 41. A first aeration hole 51 corresponding to the first flame hole 41 is formed in a center portion of the rear plate 5, and a plurality of second aeration holes 52 smaller than the first aeration hole 51 are formed close to the outer circumference of the rear plate 5. A portion of the rear plate 5 between the first aeration hole 51 and the second aeration holes 52 is a hole-free portion 53 having no hole. COPYRIGHT: (C)2012,JPO&INPIT

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