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    • 35. 发明专利
    • Tow-fluid ejection nozzle and oil burner
    • 流体喷射喷嘴和油燃烧器
    • JP2007083220A
    • 2007-04-05
    • JP2005319517
    • 2005-11-02
    • Takuma Co Ltd株式会社タクマ
    • YOSHIMOTO SATOSHIKATAOKA SHIZUO
    • B05B7/04F23D11/14F23D11/38
    • PROBLEM TO BE SOLVED: To provide a two-fluid ejection nozzle which ejects two fluids using a laval nozzle structure and which is so configured that the ejected fluids have straight advancing characteristics as drawing air in around the ejected fluids, and an oil burner using the same. SOLUTION: An ejecting opening 12 of a first fluid is provided at the end of a inner tube 3 of a double pipe. A second fluid is pressed through the gap between an outer tube 2 and the inner tube 3. The part where the first fluid is mixed with the second fluid is a laval-shaped suction part 22. A plurality of longitudinally long air suction holes 28 are disposed at the front area of the exit of a laval-nozzle-shaped diffuser 24 around an ejecting path of the mixture fluid. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种双流体喷射喷嘴,其使用利伐喷嘴结构喷射两种流体,并且其被构造成使得喷射的流体具有作为在排出的流体周围的抽吸空气的直线进给特性,以及油 燃烧器使用相同。 解决方案:第一流体的喷射口12设置在双管的内管3的端部。 第二流体被挤压通过外管2和内管3之间的间隙。第一流体与第二流体混合的部分是拉伐形吸入部分22.多个纵向长的吸气孔28 设置在围绕混合流体的喷射路径的喷嘴形扩散器24的出口的前部区域。 版权所有(C)2007,JPO&INPIT
    • 38. 发明专利
    • FUEL SUPPLIER FOR PETROLEUM FUEL COMBUSTOR
    • JPH09210315A
    • 1997-08-12
    • JP4429596
    • 1996-02-06
    • NIPPON WALBRO KK
    • FUJISAWA KAZUTOHORIKAWA TAKASHI
    • F23D11/14
    • PROBLEM TO BE SOLVED: To prevent a movable iron core from being fixed by removing a foreign matter at a space between a fixed iron core and a coupling pipe for connecting a vaporizer with the fixed iron core. SOLUTION: A petroleum fuel in a fuel tank 49 is fed to a vaporizer 42 with the aid of a fuel pump 47, and preheated and vaporized there, and is supplied to a vaporizer 3. Prior to ignition of a combustor 41 a non-vaporized fuel in the vaporizer 3 is returned to the fuel tank 49 through a condensation passage 6. When the combustor 41 is fired, the condensation passage 6b is closed and an atomized fuel from the vaporizer 3 is infected from a fuel ionjection hole 3a to a mixing pipe 41a of the combustor 41 where it is combusted. A small diameter cylindrical part of a lower end of a coupling pipe 6 for coupling a fixed iron core 15 and the vaporizer 3 is inserted into a cylindrical part of the fixed iron core 15 of a solenoid actuator A for opening/ closing a fuel supply valve 2 provided on the fuel infection hole 3a and a fuel return valve 8 provided on the condensation passage 6b, whereby an annular space is formed between both.