Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takayasu Fujita0
Toshihiro Hori0
Akira Tsutsumi0
Hiroshi Asakura0
Ichiro Ootomo0
Kazuhiro Kimura0
Masakuni Morikawa0
Nobuhiro Takeda0
Date of Patent
January 19, 2010
0Patent Application Number
105933500
Date Filed
March 23, 2005
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A heating apparatus 1 includes a shell 2, a primary heat exchanger (sensible heat exchanger) 3, a burner (combustion means) 5, and a fan 6. A secondary heat exchanger (latent heat exchanger) 7 has a plurality of heat receiving tubes 18 arranged in parallel between a pair of headers 16 and 17, the heat receiving tubes 18 being fixed to tube plates 20. The heat receiving tubes 18 are bare tubes without fins and are arranged across flow of combustion gas. The number of the tubes 18 arranged vertically is less than the number of the tubes 18 arranged horizontally.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
