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    • 5. 发明专利
    • Scroll compressor
    • 滚动压缩机
    • JP2009180106A
    • 2009-08-13
    • JP2008018202
    • 2008-01-29
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SATO SOKIMATA HISAYUKI
    • F04C18/02F04C29/02
    • F04C18/0215F04C15/068F04C23/008F04C29/023F04C29/026
    • PROBLEM TO BE SOLVED: To provide a scroll compressor comprising an oil separation mechanism can ensuring the sufficient capacity of an oil storage chamber and preventing compressed gas from being blown from an oil discharge port to the low-pressure side even if a discharge reed valve is elongated.
      SOLUTION: In the scroll compressor 3 forming an oil separation chamber 37 by providing a discharge cover 38 at back side of a fixed scroll member 32 comprising a discharge port 32C, and providing an oil separating mechanism 40 in the oil separation chamber 37, the oil separating mechanism 40 includes a cylindrical partition member 42 partitioning the interior of the oil separation chamber 37 into a gas discharge chamber 43 of the inner peripheral side and the oil storage chamber 44 of the outer peripheral side, and a separator plate 45 for closing the upper face of the partition member 42. The partition member 42 is arranged eccentrically in the direction of installation of the discharge reed valve 36 provided in the discharge port 32C.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种包括油分离机构的涡旋压缩机,能够确保储油室的足够的容量,并且防止压缩气体从排油口向低压侧吹出,即使排出 簧片阀是细长的。 解决方案:在涡旋压缩机3中,通过在包括排出口32C的固定涡旋构件32的后侧设置排气盖38并在油分离室37中设置油分离机构40,形成分油室37 油分离机构40包括将油分离室37的内部分解为内周侧的气体排出室43和外周侧的储油室44的圆筒状分隔部件42,以及用于 关闭分隔构件42的上表面。分隔构件42沿设置在排出口32C中的排出簧片阀36的安装方向偏心地布置。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Vane pump
    • 叶片泵
    • JP2012067729A
    • 2012-04-05
    • JP2010215459
    • 2010-09-27
    • Taiho Kogyo Co Ltd大豊工業株式会社
    • IKEDA SATOSHIKITAZAWA NAOKI
    • F04C29/12F04C18/344
    • F04C2/3442F04C14/06F04C15/068
    • PROBLEM TO BE SOLVED: To discharge residual oil in a pump chamber efficiently to the outside of a housing when a vane pump stops operation.SOLUTION: The housing 2 of the vane pump 1 is formed with a discharge passage 7 for discharging gas and residual oil in the pump chamber 2A, and is provided with a reed valve 8 for opening and closing the discharge passage 7. The valve seat 8A of the reed valve 8 comprises a recess part 2G on the housing 2 side, and the valve element 8B of the reed valve 8 is constituted of a metal plate having a spring property. When the vane pump 1 stops operation, the valve element 8B moves away from the valve seat 8A and a gap δ is maintained therebetween. The residual oil in the pump chamber 2A is discharged outside the housing 2 via the gap δ and the discharge passage 7.
    • 要解决的问题:当叶片泵停止操作时,将泵室中的残油有效地排放到外壳外部。 解决方案:叶片泵1的壳体2形成有用于排出泵室2A中的气体和残留油的排出通道7,并且设置有用于打开和关闭排出通道7的簧片阀8。 簧片阀8的阀座8A包括壳体2侧的凹部2G,簧片阀8的阀体8B由具有弹性的金属板构成。 当叶片泵1停止操作时,阀元件8B移动离开阀座8A,并且间隙δ保持在其间。 泵室2A中的残留油经由间隙δ和排出通道7排出外壳2外。(C)2012,JPO&INPIT
    • 10. 发明专利
    • Vane pump
    • 叶片泵
    • JP2012067730A
    • 2012-04-05
    • JP2010215460
    • 2010-09-27
    • Taiho Kogyo Co Ltd大豊工業株式会社
    • IKEDA SATOSHI
    • F04C29/02F04C2/344F04C18/344F04C25/02
    • F04C2/3442F04C14/04F04C14/06F04C15/068
    • PROBLEM TO BE SOLVED: To discharge residual oil in a pump chamber efficiently through a discharge passage to the outside of a housing.SOLUTION: The housing 2 of the vane pump 1 is formed with a discharge passage 7 for discharging the gas and residual oil in the pump chamber 2A and formed with an atmosphere introduction passage 107 for releasing pressure in the pump chamber 2A to the outside thereof when a rotor 3 is rotated in reverse. The discharge passage 7 is opened/closed by a reed valve 8 outside the housing 2 and the atmosphere introduction passage 107 is also opened/closed by a reed valve 108 outside the housing 2. The height difference H2 being the difference between the upper end and the lower end of the atmosphere introduction passage 107 is set to be larger than the height difference H1 being the difference between the upper end and the lower end of the discharge passage 7.
    • 要解决的问题:通过排出通道有效地将泵室中的残余油排放到壳体的外部。 解决方案:叶片泵1的壳体2形成有排出通道7,用于排出泵室2A中的气体和残余油,并形成有用于将泵室2A中的压力释放到气室导入通道107 当转子3反向旋转时,其外部。 排气通道7由壳体2外部的簧片阀8打开/关闭,并且大气引入通道107也被外壳2外部的簧片阀108打开/关闭。高度差H2是上端和 大气引入通道107的下端被设定为大于排出通道7的上端和下端之间的差的高度差H1。(C)2012年,JPO和INPIT