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    • 2. 发明申请
    • ROTARY COMPRESSOR
    • 旋转式压缩机
    • WO2004101997A1
    • 2004-11-25
    • PCT/KR2004/000998
    • 2004-04-30
    • LG ELECTRONICS INC.BAE, Ji YoungROH, Chul GiPARK, Kyoung JunKO, Young HwanSIN, Jong Min
    • BAE, Ji YoungROH, Chul GiPARK, Kyoung JunKO, Young HwanSIN, Jong Min
    • F04C18/00
    • F04C18/3564F04C28/04F04C28/14F04C2250/101
    • Disclosed is a rotary compressor having two compression capacities. The rotary compressor includes: a driving shaft (13) being rotatable clockwise and counterclockwise and having an eccentric portion (13a) of a predetermined size; a cylinder (21) forming a predetermined inner volume; a roller (22) installed rotatably on an outer circumference of the eccentric portion (13a) so as to contact an inner circumference of the cylinder (21), performing a rolling motion along the inner circumference and forming a fluid chamber (29) to suck and compress fluid along with the inner circumference; a vane (23) installed elastically in the cylinder (21) to contact the roller (22) continuously; upper and lower bearings (24,25) installed respectively in upper and lower portions of the cylinder (21), for supporting the driving shaft (13) rotatably and sealing the inner volume hermetically; discharge ports (26) communicating with the fluid chamber (29); suction ports (27) communicating with the fluid chamber (29) and being spaced apart from each other by a predetermined angle; and a valve assembly (110,120) for selectively opening any one of the suction ports (27) according to rotation direction of the driving shaft (13), wherein compression spaces that have different volumes from each other are formed in the fluid chamber (29) according to the rotation direction of the driving shaft (13) such that two different compression capacities are formed.
    • 公开了具有两个压缩容量的旋转式压缩机。 旋转压缩机包括:驱动轴(13),其顺时针和逆时针旋转并具有预定尺寸的偏心部分(13a); 形成预定内容积的圆筒(21) 可旋转地安装在所述偏心部分(13a)的外周上以与所述气缸(21)的内圆周接触的辊(22),沿着所述内圆周进行滚动运动并形成流体室(29)以吸 并与内周一起压缩流体; 在所述气缸(21)中弹性地安装以连续地接触所述辊(22)的叶片(23) 分别安装在所述气缸(21)的上部和下部中的上部和下部轴承(24,25),用于可旋转地支撑所述驱动轴(13)并密封所述内部容积; 与流体室(29)连通的排出口(26); 与所述流体室(29)连通并且彼此隔开预定角度的吸入口(27); 以及用于根据所述驱动轴(13)的旋转方向选择性地打开任何一个所述吸入口(27)的阀组件(110,120),其中在所述流体室(29)中形成有彼此不同体积的压缩空间, 根据驱动轴(13)的旋转方向,形成两个不同的压缩能力。