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    • 52. 发明申请
    • MULTI-STAGE COMPRESSOR
    • 多级压缩机
    • US20100064707A1
    • 2010-03-18
    • US12516667
    • 2008-07-24
    • Hajime SatoYoshiyuki Kimata
    • Hajime SatoYoshiyuki Kimata
    • F25B49/02F04B25/00F04B49/04
    • F04C23/008F04C18/0215F04C18/356F04C23/005F04C29/042F04C29/045F25B1/10F25B31/008F25B2500/28F25B2600/2507F25B2600/2509
    • A multi-stage compressor is provided that reliably prevents liquid compression in a higher stage compression mechanism and also prevents compression efficiency degradation resulting from overheating of injection refrigerant and from the lubricating oil being raised up together with the injection refrigerant. An injection circuit is branched into a plurality of circuits. A first circuit thereof is communicatively connected to an inside space of a closed housing that is at the same side as the higher stage compression mechanism with respect to an electric motor, and a second circuit is communicatively connected to an inside space of the closed housing that is opposite from the higher stage compression mechanism with respect to the electric motor. The first circuit and the second circuit are provided with a switching mechanism for switching the injection circuit to the first circuit or the second circuit according to the dryness of the injection refrigerant.
    • 提供了一种多级压缩机,其可靠地防止在较高级压缩机构中的液体压缩,并且还防止由于注射制冷剂的过热而导致的压缩效率降低,并且与润滑油一起与注射制冷剂一起升高。 注入电路分支成多个电路。 其第一电路与相对于电动机处于与上级压缩机构相同侧的封闭壳体的内部空间连通地连接,第二电路与封闭壳体的内部空间连通地连接, 与较高级压缩机构相对于电动机相反。 第一电路和第二电路设置有用于根据注射制冷剂的干燥度将注入电路切换到第一电路或第二电路的开关机构。
    • 59. 发明申请
    • Disk array apparatus and method for controlling the same
    • 磁盘阵列装置及其控制方法
    • US20070011402A1
    • 2007-01-11
    • US11224075
    • 2005-09-13
    • Hajime SatoYuko Matsui
    • Hajime SatoYuko Matsui
    • G06F12/16
    • G06F11/1471G06F2201/84
    • Proposed are: a disk array apparatus that can effectively and efficiently utilize its storage resources, and a method for controlling such a disk array apparatus. A disk array apparatus and a method for controlling the disk array apparatus with a function of: retaining difference data that represent a difference between the content of a first logical volume at a designated time and the content of the current first logical volume, as well as difference management information that is management information for the difference data; and restoring the first logical volume to the state it was in at the designated time based on the retained difference data and difference management information. In the disk array apparatus and its control method, a second logical volume for storing the difference management information is set, in accordance with external operation, in a storage area provided by a specified storage device. When suspending the operation of the disk array apparatus, the difference management information retained in a specified memory is saved on the second logical volume; and when activating the disk array apparatus, the difference management information is read from the second logical volume and stored in the memory.
    • 提出:能够有效且高效地利用其存储资源的磁盘阵列装置,以及用于控制这种磁盘阵列装置的方法。 一种磁盘阵列装置和一种用于控制磁盘阵列装置的方法,具有以下功能:保留表示指定时间的第一逻辑卷的内容与当前第一逻辑卷的内容之间的差的差异数据,以及 作为差异数据的管理信息的差分管理信息; 并且基于所保留的差分数据和差异管理信息,在指定时间将第一逻辑卷恢复到其处于该状态。 在磁盘阵列装置及其控制方法中,根据外部操作将用于存储差异管理信息的第二逻辑卷设置在由指定的存储装置提供的存储区域中。 当暂停磁盘阵列装置的操作时,保留在指定存储器中的差分管理信息被保存在第二逻辑卷上; 并且当激活磁盘阵列装置时,从第二逻辑卷读取差异管理信息并将其存储在存储器中。