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    • 14. 发明专利
    • スクリュー圧縮機
    • 螺杆压缩机
    • JP5943101B1
    • 2016-06-29
    • JP2015023838
    • 2015-02-10
    • ダイキン工業株式会社
    • 鹿野 茂治宮村 治則
    • F04C18/52F04C28/12F04C18/16
    • F04C18/16F04C18/52F04C28/12
    • 【課題】駆動軸(21)を支持する軸受(36)を保持するとともに外周面がスライドバルブ(70)の動作のガイド面(37)となる軸受ホルダ(35)の軸方向長さを短くすることにより、スクリュー圧縮機(1)を小型軽量化する。 【解決手段】スクリューロータ(40)とスライドバルブ駆動用の油圧シリンダ(87)が軸受(36)の両側に配置されたスクリュー圧縮機(1)において、軸受ホルダ(35)におけるスクリューロータ(40)と反対側の端部で油圧シリンダ(87)のシリンダチューブ(81)を構成し、軸受ホルダ(35)と油圧シリンダ(87)とを一体化する。 【選択図】図3
    • 的外周面,以减少滑阀操作引导表面(70)(37)和一轴承保持架(35)的轴向长度保持的轴承,用于支撑所述驱动轴(21)(36) 它允许在螺杆式压缩机(1)是更小更轻。 在螺杆转子(40)和用于驱动所述滑阀的液压缸(87)是设置在所述轴承(36)的两侧上的螺杆式压缩机(1),在所述轴承保持器中的螺杆转子(35)(40) 气缸以构成在相对端的液压缸(87)的管(81),集成了轴承保持架(35)和液压缸(87)。 点域
    • 17. 发明专利
    • Screw compressor
    • 螺旋压缩机
    • JP2009168011A
    • 2009-07-30
    • JP2008320675
    • 2008-12-17
    • Daikin Ind Ltdダイキン工業株式会社
    • MIYAMURA HARUNORIHOSSAIN MOHAMMAD ANWARMASUDA MASANORI
    • F04C18/52F04C28/26
    • F04C28/26F04C18/16F04C18/52F04C28/12F04C28/28F04C29/124F04C2230/91F04C2270/17F04C2270/58
    • PROBLEM TO BE SOLVED: To compatibly improve both of efficiency and reliability of a screw compressor by narrowing a gap between a slide valve and a screw rotor while avoiding contact of both components. SOLUTION: Inside a casing 10 of a single-screw compressor, a slide valve 70 is disposed to a side of a screw rotor 40. A valve element part 60 of the slide valve 70 is formed in a pillar shape, and an opposing face 66, which is formed as an arc face faces the slide valve 70. A front step portion 64 and a rear step portion 65 are formed on the opposing face 66 of the valve element part 60. Dynamic pressure is created by refrigerant gas injected at the step portions 64, 65. Rotation of the valve element part 60 is controlled by the dynamic pressure created at the step portions 64, 65 acting on the valve element part 60, and a space between the valve element part 60 and the screw rotor 40 is thereby maintained. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过缩小滑阀和螺杆转子之间的间隙,同时避免两个部件的接触,以兼容地提高螺杆式压缩机的效率和可靠性。 解决方案:在单螺杆式压缩机的壳体10的内部,在螺杆转子40的侧面设置滑阀70.滑阀70的阀体部60形成为柱状, 形成为圆弧面的相对面66面向滑阀70.前部台阶部64和后台阶部65形成在阀芯部件60的相对面66上。动态压力由注入的制冷剂气体产生 在台阶部64,65处,通过作用在阀体部60上的台阶部64,65产生的动压以及阀体部60与螺杆转子之间的空间来控制阀体部60的旋转 从而保持40。 版权所有(C)2009,JPO&INPIT
    • 20. 发明专利
    • Two stage screw compressor
    • 两级螺旋压缩机
    • JP2007009786A
    • 2007-01-18
    • JP2005190879
    • 2005-06-30
    • Hitachi Ltd株式会社日立製作所
    • KATO EISUKEHIOKI YASUHIRONOZAWA SHIGEKAZU
    • F04C18/16F04C23/00G10K11/02
    • F04C18/16F04C23/001F04C28/12F04C29/026F04C29/068
    • PROBLEM TO BE SOLVED: To materialize low noise of a two stage screw compressor by preventing internal resonance occurring in a delivery casing by a simple structure.
      SOLUTION: The two stage screw compressor is provided with a low pressure stage side casing 1 provided with a low pressure stage compression mechanism part, a delivery casing 2 provided on a delivery side of the low pressure stage side casing, a high pressure stage side casing 5 provided with a high pressure stage compression mechanism part, and middle stage casings 3, 4 connecting the delivery casing and the high pressure stage side casing and storing a motor 7. In such a two stage screw compressor, a cavity part 48 is formed on the delivery casing side of a slide valve 23 to expand volume of a delivery space formed in the delivery casing. Consequently, internal resonance occurring in the delivery casing is prevented.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过简单的结构,通过防止在输送壳体中发生内部共振来实现双级螺杆式压缩机的低噪音。 解决方案:两级螺杆式压缩机设有低压级侧压缩机构部分的低压侧侧壳体1,设置在低压侧侧壳体的排出侧的输送箱2,高压侧压缩机构 设置有高压级压缩机构部的级侧壳体5和连接输送壳体和高压侧侧壳体并存储电动机7的中间级壳体3,4。在这种两级螺杆式压缩机中,空腔部48 形成在滑阀23的输送壳体侧,以扩大在输送壳体中形成的输送空间的体积。 因此,防止了在输送壳体中发生的内部共振。 版权所有(C)2007,JPO&INPIT