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    • 32. 发明申请
    • POSITIVE DISPLACEMENT COMPRESSOR
    • 积极位移压缩机
    • US20130136640A1
    • 2013-05-30
    • US13816405
    • 2011-09-29
    • Hiroshi HasegawaAtsuo OkaichiTakeshi Ogata
    • Hiroshi HasegawaAtsuo OkaichiTakeshi Ogata
    • F04C18/00
    • F04C18/00F04C18/3564F04C23/008F04C28/08F04C28/26F04C2240/403F04C2270/051F04C2270/20
    • A rotary compressor 100 includes a compression mechanism 3, a motor 2, a suction path 14, a return path 16, a volume varying mechanism 30, an inverter 42, and a controller 44. The return path 16 serves to return a working fluid from the working chamber 25 to the suction path 14. The volume varying mechanism 30 is provided in the return path 16, permits the working fluid to return from the working chamber 25 to the suction path 14 through the return path 16 when the suction volume of the compression mechanism 3 should be set to a relatively small value, and prohibits the working fluid from returning from the working chamber 25 to the suction path 14 through the return path 16 when the suction volume should be set to a relatively large value. The volume varying mechanism 30 and the inverter 42 are controlled so as to compensate for a decrease in the suction volume with an increase in the rotational speed of the motor 2.
    • 旋转压缩机100包括压缩机构3,电动机2,吸入路径14,返回路径16,容积变化机构30,逆变器42和控制器44.返回路径16用于使工作流体从 工作室25到吸入路径14.体积变化机构30设置在返回路径16中,允许工作流体通过返回路径16从工作室25返回到吸入路径14, 压缩机构3应设定为相对较小的值,并且当吸入体积应设定为相对大的值时,禁止工作流体通过返回路径16从工作室25返回到吸入路径14。 控制体积变化机构30和逆变器42,以便随着电机2的转速的增加来补偿吸入体积的减小。
    • 38. 发明申请
    • Antennas Array Calibration Arrangement and Method
    • 天线阵列校准安排与方法
    • US20070269328A1
    • 2007-11-22
    • US10556357
    • 2004-05-19
    • Hiroshi HasegawaAtsuo OkaichiFumitoshi Nishiwaki
    • Hiroshi HasegawaAtsuo OkaichiFumitoshi Nishiwaki
    • F01C21/06
    • F04C23/008F04C29/026
    • A compressor comprising a hermetical container, a compression mechanism disposed in a lower portion in the hermetical container, a rotational motor disposed in an upper portion in the hermetical container and having a stator and a rotor, coil ends provided on upper end lower ends of the stator, a discharge pipe provided on an upper end of the hermetical container, and an oil reservoir provided in a lower portion in the hermetical container, in which working fluid compressed by the compression mechanism is introduced into an upper space of the hermetical container from a gap between the rotational motor and the hermetical container, and the working fluid is discharged out from the hermetical container through the discharge pipe, wherein an open end in the hermetical container of the discharge pipe is located inside the upper end coil end.
    • 一种压缩机,包括密封容器,设置在所述密封容器的下部的压缩机构,设置在所述密封容器的上部并具有定子和转子的旋转马达,所述旋转马达设置在所述密封容器的上端下端 定子,设置在所述密封容器的上端的排出管,以及设置在所述密封容器的下部的储油器,其中由所述压缩机构压缩的工作流体从所述密封容器的上部空间 旋转电动机和密闭容器之间的间隙,并且工作流体通过排出管从密封容器排出,其中排出管的密封容器中的开口端位于上端线圈端内侧。
    • 39. 发明申请
    • Scroll compressor
    • 涡旋压缩机
    • US20050207926A1
    • 2005-09-22
    • US11087730
    • 2005-03-24
    • Fumitoshi NishiwakiHiroshi HasegawaAtsuo Okaichi
    • Fumitoshi NishiwakiHiroshi HasegawaAtsuo Okaichi
    • F01C1/02F01C1/063F03C4/00F04C18/00F04C18/02
    • F04C18/0215F04C2240/50F04C2240/601
    • A scroll compressor comprises a compression mechanism 4, a main shaft 5 for driving the compression mechanism 4, a motor 7 for rotating the main shaft 5, and a journal bearing 20 for supporting the main shaft 5, the journal bearing 20 is provided at its end with an annular groove 21, thereby forming an annular portion 22 on an inner peripheral side of the annular groove 21, a ratio of a groove depth of the annular groove 21 to a diameter of the main shaft 5 is in a range of 0.15 to 0.34, and a ratio of a thickness of the annular portion 22 to the diameter of the main shaft 5 is in a range of 0.09 to 0.19, with this configuration, it is possible to provide the efficient scroll compressor with a simple structure in which even when the main shaft 5 is bent or deformed by a radial force of a compression load, damage such as wearing and seizing of the journal bearing which pivotally supports the main shaft 5 is prevented, and performance is not deteriorated in a wide operation range.
    • 涡旋压缩机包括压缩机构4,用于驱动压缩机构4的主轴5,用于使主轴5旋转的马达7和用于支撑主轴5的轴颈轴承20,其轴颈轴承20设置在其上 以环形槽21为末端,由此在环状槽21的内周侧形成环状部22,环状槽21的槽深与主轴5的直径的比例在0.15〜 0.34,并且环状部22的厚度与主轴5的直径的比率在0.09〜0.19的范围内,通过这种构造,可以提供一种简单结构的高效涡旋式压缩机, 当主轴5被压缩载荷的径向力弯曲或变形时,防止了枢转地支撑主轴5的轴颈轴承的磨损和卡住等损坏,并且在宽的运行范围内性能不会劣化。