JPH0396537U

JPH0396537U -

Info

Publication number: JPH0396537U
Application number: JP208890U
Authority: JP
Priority date: 1990-01-12
Filing date: 1990-01-12
Publication date: 1991-10-02

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す排気構造の正
面図、第２図、第３図、第４図はそれぞれ第１図
のＡ−Ａ断面図、Ｂ−Ｂ断面図、Ｃ−Ｃ断面図、
第５図は本考案の他の実施例を示す排気室の正面
図、第６図、第７図、第８図はそれぞれ第５図の
Ａ−Ａ断面図、Ｂ−Ｂ断面図、Ｃ−Ｃ断面図、第
９図は本考案に係る給湯機または給湯付風呂釜用
の燃焼装置を示す正面図、第１０図は第９図のＡ
−Ａ断面図、第１１図は従来の給湯機用燃焼装置
を示す正面図、第１２図は第１１図のＡ−Ａ断面
図、第１３図Ａ，Ｂはそれぞれ気柱共鳴が発生し
ている時としていない時の騒音スペクトルを示す
波形図である。１……バーナ、２……バーナ室、３……送風機
、４……燃焼室、５……熱交換器、６……排気室
、７，７ａ〜７ｃ……排気通路、９……防雨板、
１３……仕切り板、１４，１４ａ〜１４ｅ……バ
ツフル板。 FIG. 1 is a front view of an exhaust structure showing an embodiment of the present invention, and FIGS. 2, 3, and 4 are sectional views A-A, B-B, and C-C in FIG. 1, respectively. cross section,
FIG. 5 is a front view of an exhaust chamber showing another embodiment of the present invention, and FIGS. 6, 7, and 8 are sectional views taken along line A-A, line B-B, and line C- in FIG. 5, respectively. C sectional view, FIG. 9 is a front view showing the combustion device for a water heater or bathtub with hot water supply according to the present invention, and FIG. 10 is A of FIG. 9.
-A sectional view, FIG. 11 is a front view showing a conventional combustion device for a water heater, FIG. 12 is a sectional view taken along line A-A in FIG. FIG. 3 is a waveform diagram showing the noise spectrum when the person is present and when the person is not present. 1...Burner, 2...Burner chamber, 3...Blower, 4...Combustion chamber, 5...Heat exchanger, 6...Exhaust chamber, 7,7a-7c...Exhaust passage, 9...Rainproof board,
13... Partition plate, 14, 14a to 14e... Full board.

Claims

[Scope of Claim for Utility Model Registration] 1. In a combustion device in which a combustion chamber, a heat exchanger, and an exhaust chamber are sequentially arranged above a burner chamber, a partition plate is provided inside the exhaust chamber to form a plurality of exhaust passages. An exhaust structure for a combustion device, characterized in that a buff-full plate is provided in the exhaust passage so that at least adjacent exhaust passages have different acoustic effects. 2. The exhaust structure for a combustion device according to claim 1, wherein at least one of the partition plate and the buttful plate is formed of a plate-like material in which a sound absorbing material is sandwiched between two porous members. 3. A water heater comprising the exhaust structure according to claim 1 or 2. 4. A bathtub with hot water supply, characterized by comprising the exhaust structure according to claim 1 or 2.