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    • 1. 发明专利
    • PIEZOELECTRIC FIRING TORCH
    • JP2000121054A
    • 2000-04-28
    • JP29231298
    • 1998-10-14
    • YOSHINAGA TEKUNIKA KKMATSUMURA KOGEI KK
    • MASUNE HIROYOSHIMATSUMURA MASAMI
    • F23Q3/00
    • PROBLEM TO BE SOLVED: To sustain a good firing state constantly by shortening the distance between a piezoelectric igniter and a tip nozzle in order to prevent current leak from a lead wire and unitizing both the piezoelectric igniter and the tip nozzle in order to facilitate assembling to the forward end part of a tubular body and disassembling therefrom thus making a discharge electrode displaceable. SOLUTION: A long tubular body is coupled with one end of a tubular grip in a fuel tank. An open/close operator and an ignition operator are provided on the side of the grip coupled with the tubular body. A piezoelectric igniter 9 is disposed in the forward end part of the tubular body while directing a movable member 9a downward and a tip nozzle 10 is disposed thereon while being connected electrically with the piezoelectric igniter 9. A fuel tube 16 is arranged across the tip nozzle 10 and the valve of the fuel tank. Forward end of an ignition operating rod 18 linked with the ignition operator is abutted against the movable member 9a. Tip cover 20 of the tip nozzle 13 is fixed to the forward end of the tubular body. A discharge electrode 21 is disposed oppositely to a discharge electrode 15 at the forward end of the nozzle on the inside of the tip cover 20.
    • 4. 发明专利
    • BURNER DEVICE PROVIDED WITH FUEL PREHEATING MEANS
    • JP2000046309A
    • 2000-02-18
    • JP21270998
    • 1998-07-28
    • YOSHINAGA TEKUNIKA KK
    • MASUNE HIROYOSHI
    • F23D14/28F23D14/66
    • PROBLEM TO BE SOLVED: To prevent the spouting of liquefied gas fuel in a liquid state by making the heating efficiency of a heat pipe by the flame from a burner maintainable at a high level by adopting an inserting means for attaching a combustion nozzle device to the main body of the burner so that the heat pipe may be attached to the combus tion nozzle device side. SOLUTION: A combustion nozzle device 2 at the front end of the main body 1 of a burner incorporating a fuel passage 14 together with a valve device 15 is constituted of a cylindrical nozzle holder 21, a mixing pipe 24 which is put on the outer periphery of the front end of the holder 21 and has an air port 23 faced to an injection nozzle 22, and a heat pipe 27 for preheating fuel attached to the combustion nozzle device 2 in such a way that the middle section of the device 2 is bent and positioned above a tip nozzle 25 at the front end of the mixing pipe 24, An axial flow passage 26 formed at the center of the nozzle holder 21 is divided into front and rear flow passage portions 26a and 26b by a partition section 21a. The injection nozzle 22 is attached to the opened end of the front flow passage portion 26a and heater pipes 27 are attached to the front and rear flow passage portions 26a and 26b. Then the rear flow passage portion 26b is connected to the fuel passage 14 by airtightly putting the rear end section of the portion 26b in the front end section of the main body 1 after an O-ring 28 is put in the rear end section.
    • 6. 发明专利
    • BURNER
    • JPH0960825A
    • 1997-03-04
    • JP23905095
    • 1995-08-25
    • YOSHINAGA TEKUNIKA KK
    • MASUNE HIROYOSHIUDAGAWA AYAO
    • F23D14/28F23Q2/16F23Q2/28F23Q2/36F23Q3/00
    • PROBLEM TO BE SOLVED: To avoid an incident of disabling ignition, application or others as caused by the breaking of the perimeter of a combustion port, a discharge electrode or the like by retracting a cover member to enable the exposing of the tip of a casing, the opening of a valve nozzle and the operation of a piezo-electric igniter. SOLUTION: In a cover member 3, an opening part 30 is formed sticking forward from the tip of a casing 1 and an operation lever 31 so shaped as to put a finger easily on the underside thereof. The cover member is energized in the direction of the tip of the casing 1 by a spring member or the like and fitted thereinto free to advance or retract. It is possible to expose the tip of the casing 1, open a valve nozzle 22 and operate a piezo-electric igniter 4 by retracting the cover member 3. Therefore, when the burner is not in use, the tip part of the casing 1 as combustion port is protected by the cover member 3. This enables avoiding an incident of disabling ignition or the like resulting from possible loss of losing nozzle members 10 and 10a of a nozzle head or the like and breakage of a discharge electrode 41 as caused by an impact or the like from outside.
    • 7. 发明专利
    • BURNER DEVICE HAVING FUEL PREHEATING MEANS
    • JP2000111014A
    • 2000-04-18
    • JP28524298
    • 1998-10-07
    • YOSHINAGA TEKUNIKA KK
    • MASUNE HIROYOSHI
    • F23D14/28F23D14/66
    • PROBLEM TO BE SOLVED: To provide a burner device capable of shortening temperature raising time of a heat pipe heated by a burner flame, retaining a high temperature and preventing a jet in a liquid state. SOLUTION: A combustion nozzle device 2 comprises a nozzle holder 21 having an injection nozzle 22 protruding from an opening end of a passage connected to one end of a heat pipe 26, a mixing cylinder 24 fitted to an outer circumference of one tip end of the nozzle holder so as to make an air opening in a side part face the injection nozzle and a flame port nozzle 25 mounted on a tip end of the mixing cylinder, and is secured within a cover member 3 so as to be located with a specified distance from a tip end of the burner main body 1. The heat pipe disposed between the combustion nozzle device and the cover member is extended to a burner main body side on an axis same as that of the nozzle holder, and designed to be connected with a fuel passage via a connection cylinder member 27 formed within the tip end of the burner main body, and a heat insulated space is formed between the nozzle device and the burner main body.