JPH035067U

JPH035067U -

Info

Publication number: JPH035067U
Application number: JP6392189U
Authority: JP
Priority date: 1989-06-02
Filing date: 1989-06-02
Publication date: 1991-01-18

Description

[Brief explanation of drawings]

第１図は第１の本考案による点火トーチの一例
を示す要部の断面図、第２図は第１図の−線
矢視図、第３図は第２の本考案による点火トーチ
の一例を示す要部の断面図、第４図は第３図の
−線矢視図、第５図は第３図の−線矢視図
、第６図は第３の本考案による点火トーチの一例
を示す要部の断面図、第７図は第６図の−線
矢視図、第８図は従来の点火トーチの全体を示す
断面図、第９図は第８図の一部の拡大詳述図、第
１０図は第９図の−線矢視図である。１……点火トーチ、２……ガス管、３……ガス
噴出ノズル、４……ガス噴出孔、５……ラツパ状
保炎器、６……抵抗体、７……切欠き、８，８′
……空気通路、９……燃焼室、１０……１次空気
管、１１……１次空気噴出孔、１２……１次空気
室、１３……点火源、１４……２次空気管、１５
……２次空気噴出孔、１６……３次空気管、２１
……空気導入孔、３１……ラツパ状ガス噴出部材
、３２……空気導入孔、４１……ボリユームチヤ
ンバ、４２……空気導入孔、４３……截頭円錐体
部分、４４……抵抗板、Ｆ……燃料ガス、Ａ_１…
…１次空気、Ａ_２……２次空気、Ａ_３……３次空
気。 Fig. 1 is a cross-sectional view of essential parts showing an example of the ignition torch according to the first invention, Fig. 2 is a view taken along the - line in Fig. 1, and Fig. 3 is an example of the ignition torch according to the second invention. 4 is a view taken along the - line in FIG. 3, FIG. 5 is a view taken along the - line in FIG. 3, and FIG. 6 is an example of the ignition torch according to the third invention. 7 is a cross-sectional view showing the main parts of FIG. 6, FIG. 8 is a sectional view showing the entire conventional ignition torch, and FIG. 9 is an enlarged detail of a part of FIG. 10 is a view taken along the - line arrow in FIG. 9. DESCRIPTION OF SYMBOLS 1...Ignition torch, 2...Gas pipe, 3...Gas ejection nozzle, 4...Gas ejection hole, 5...Flame stabilizer, 6...Resistor, 7...Notch, 8,8 ′
...Air passage, 9...Combustion chamber, 10...Primary air pipe, 11...Primary air outlet, 12...Primary air chamber, 13...Ignition source, 14...Secondary air pipe, 15
...Secondary air outlet, 16...Tertiary air pipe, 21
...Air introduction hole, 31...Rump-shaped gas ejection member, 32...Air introduction hole, 41...Volume chamber, 42...Air introduction hole, 43...Frunctuated conical part, 44...Resistance plate , F...Fuel gas, _A1 ...
...Primary air, _A2 ...Secondary air, _A3 ...Tertiary air.

Claims

[Claims for Utility Model Registration] 1. In an ignition torch that includes a gas pipe having a fuel gas injection nozzle at the tip and a flare-shaped flame holder provided at the tip of the gas pipe, the interior of the flame holder An ignition torch characterized by having one or more air introduction holes for introducing combustion air into the ignition torch. 2 The gas pipe includes a gas pipe having a fuel gas ejection nozzle at its tip, and a flare-shaped flame stabilizer provided at the end of the gas pipe, and the gas pipe further has a gas ejection hole upstream of the gas ejection nozzle at its tip. The ignition torch is characterized in that the gas ejection hole is provided with a gas ejection member in the shape of a bumper, and one or more air introduction holes are provided for introducing combustion air into the interior of the flame stabilizer. ignite torch. 3. In an ignition torch that includes a gas pipe having a fuel gas jet nozzle at the tip and a flare-shaped flame holder provided at the tip of the gas pipe, the central part of the flame holder is enlarged to form a volume chamber. 1. An ignition torch characterized by forming a volume chamber and having one or more air introduction holes for introducing combustion air into the volume chamber.