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    • 1. 发明申请
    • SCROLL-TYPE FLUID MACHINE
    • 滚筒式流体机
    • US20130243635A1
    • 2013-09-19
    • US13988830
    • 2012-04-26
    • Kazuhide WatanabeHiroshi YamazakiGenta YoshikawaTakafumi YoshidaShiki Matsuo
    • Kazuhide WatanabeHiroshi YamazakiGenta YoshikawaTakafumi YoshidaShiki Matsuo
    • F04C18/02
    • F04C18/0215F04C29/0078F04C2240/51F04C2240/56F04C2270/13F05C2251/046
    • Provided is a scroll-type fluid machine which can reduce deformation of a rotary scroll caused when fixing a bearing into a boss part. A scroll compressor, in which a sealed chamber confining a fluid is formed by a fixed scroll and the rotary scroll meshed together, each of the scrolls having a spiral wall erected on one side face of an end plate, includes: a metallic boss part (15C) protruding from the other side face of the end plate of the rotary scroll; a metallic rotary bearing (12) inserted into the boss part (15C); a crankshaft rotating around an axis and including a bush part inserted in the rotary bearing (12) and rotatably supported by the rotary bearing (12); and an insert member (31) disposed between the boss part (15C) and the rotary bearing (12) and having a thermal expansion coefficient greater than those of the boss part (15C) and the rotary bearing (12).
    • 本发明提供一种涡旋式流体机械,能够减少将轴承固定在凸台部时产生的旋转涡旋件的变形。 一种涡卷式压缩机,其中,限制流体的密封室由固定涡旋件和啮合在一起的旋转涡旋件形成,每个涡卷体具有竖立在端板的一个侧面上的螺旋壁,包括:金属凸起部 15C)从旋转涡旋盘的端板的另一侧面突出; 插入所述凸台部(15C)中的金属旋转轴承(12) 围绕轴线旋转并包括插入在所述旋转轴承(12)中并由所述旋转轴承(12)可旋转地支撑的衬套部分的曲轴; 以及设置在所述凸台部(15C)和所述旋转轴承(12)之间并且具有大于所述凸台部(15C)和所述旋转轴承(12)的热膨胀系数的热膨胀系数的插入构件(31)。