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    • 13. 发明申请
    • ロータリ式膨張機および冷凍サイクル装置
    • 旋转膨胀机和制冷循环装置
    • WO2006123494A1
    • 2006-11-23
    • PCT/JP2006/308076
    • 2006-04-17
    • 松下電器産業株式会社長谷川寛松井大岡市敦雄田村朋一郎尾形雄司
    • 長谷川寛松井大岡市敦雄田村朋一郎尾形雄司
    • F01C1/356F01C11/00F25B41/06
    • F25B9/008F01C1/3564F01C11/002F01C21/106F04C2240/10F25B9/06
    • A rotary expansion machine (100) has three-staged expansion mechanism sections (601, 602, 603) sequentially axially arranged in a manner to share a shaft (61). The expansion mechanism sections (601, 602, 603) have cylinders (62, 63, 64), pistons (67, 68, 69) installed on the shaft (61) and eccentrically rotated inside the cylinders (62, 63, 64), and partition members (70, 71, 72) each partitioning a space between a cylinder (62, 63, 64) and a piston (67, 68, 69) into a suction side space and a discharge side space. A first operation chamber for expanding refrigerant at a first expansion ratio is formed by the discharge side space of the first expansion mechanism section (601) and the suction side space of the second expansion mechanism section (602). A second operation chamber for expanding the refrigerant at a second expansion ratio greater than the first expansion ratio is formed by the discharge side space of the second expansion mechanism section (602) and the suction side space of the third expansion mechanism section (603).
    • 旋转式膨胀机(100)具有顺序地以共用轴(61)的方式轴向配置的三级膨胀机构部(601,602,603)。 膨胀机构部分(601,602,603)具有安装在轴(61)上并在气缸(62,63,64)内偏心旋转的缸体(62,63,64),活塞(67,68,69) 以及将气缸(62,63,64)和活塞(67,68,69)之间的空间分隔成吸入侧空间和排出侧空间的分隔构件(70,71,72)。 第一膨胀机构部(601)的排出侧空间和第二膨胀机构部(602)的吸入侧空间形成有以第一膨胀比膨胀制冷剂的第一操作室。 第二膨胀机构部(602)的排出侧空间和第三膨胀机构部(603)的吸入侧空间形成有以第一膨胀率大的第二膨胀率膨胀制冷剂的第二操作室。