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    SCROLL COMPRESSOR
    1.
    发明公开
    SCROLL COMPRESSOR 审中-公开
    SPIRALVERDICHTER

    公开(公告)号：EP2426359A4

    公开(公告)日：2017-06-14

    申请号：EP10769660

    申请日：2010-04-22

    申请人： MITSUBISHI HEAVY IND LTD

    发明人： HIRATA HIROHUMI ,  UKAI TETSUZO ,  YAMAZAKI HIROSHI ,  ITO TAKAHIDE

    IPC分类号： F04C18/02 ,  F04C29/06

    CPC分类号： F01C17/063 ,  F04C18/0215 ,  F04C18/0276 ,  F04C2270/13

    摘要： An object is to provide a scroll compressor capable of preventing degradation in performance and the occurrence of abnormal noise due to a torsional moment applied to an orbiting scroll, by utilizing the structural advantages of so-called stepped scroll compressors. In a so-called stepped scroll compressor (1), in a pair of compression chambers (16) arranged in a point-symmetrical configuration among a plurality of compression chambers (16), the volume V1 of the compression chamber (16) formed on the ventral-surface side of the fixed spiral wrap (14B) of the fixed scroll (14) when intake is cut off and the volume V2 of the compression chamber (16) formed on the ventral-surface side of the orbiting spiral wrap (15B) of the orbiting scroll (15) are different from each other.

    摘要翻译： 本发明的目的在于提供一种涡旋式压缩机，其利用所谓的阶梯式涡旋压缩机的结构优点，能够防止作用于旋转涡旋盘的扭矩产生的性能降低和产生异常噪音。 在所谓的分级式涡旋压缩机（1）中，在多个压缩室（16）中以点对称的方式配置的一对压缩室（16）中，压缩室（16）的容积V1 固定涡旋件14的固定螺旋形涡卷14B的腹面侧切入吸入时的旋转涡卷15B的腹面侧的压缩室16的容积V2 ）的动涡旋盘（15）彼此不同。

    SCROLL COMPRESSOR
    2.
    发明公开
    SCROLL COMPRESSOR 审中-公开

    公开(公告)号：EP2357364A4

    公开(公告)日：2016-03-30

    申请号：EP09830385

    申请日：2009-12-01

    申请人： MITSUBISHI HEAVY IND LTD

    发明人： TAKEUCHI MAKOTO ,  YAMAZAKI HIROSHI ,  MISHIMA SHINTA ,  MORO TOMOHISA

    IPC分类号： F04C18/02 ,  F04C29/02 ,  F04C29/04 ,  F04C29/12

    CPC分类号： F04C18/0215 ,  F04C18/0253 ,  F04C18/0261 ,  F04C29/028 ,  F04C29/04 ,  F04C29/12

    摘要： A scroll compressor includes a housing (2F); a fixed scroll fixed in the housing (2F); an orbiting scroll (4) that has an orbiting end plate (41) on which a spiral orbiting wall is provided upright and that is supported in the housing (2F) so as to be able to orbit while being prevented from rotating, in a state where the orbiting wall is engaged with the fixed wall; a suction section that makes refrigerant containing lubricant flow into a suction chamber provided in the housing (2F); and a plurality of supply flow paths (23) that are provided on a sliding surface between the housing (2F) and the orbiting end plate (41) and that are connected to the suction chamber. In the vicinity of an outer end, in a radial direction, of a supply flow path (23) extending toward the suction section, among the plurality of supply flow paths (23), a communication section (43) that always ensures a connection between the suction chamber and the supply flow path (23) is provided on at least one of the housing (2F) and the orbiting end plate (41).

    SCROLL COMPRESSOR
    5.
    发明公开
    SCROLL COMPRESSOR 审中-公开
    SPIRALVERDICHTER

    公开(公告)号：EP1293675A4

    公开(公告)日：2004-04-14

    申请号：EP01943811

    申请日：2001-06-22

    申请人： MITSUBISHI HEAVY IND LTD

    发明人： ITOH TAKAHIDE ,  TAKEUCHI MAKOTO ,  YAMAZAKI HIROSHI ,  MARUIWA YASUHARU ,  NAGATO YUKIO ,  SASAKAWA CHIKAKO ,  MATSUDA SUSUMU

    IPC分类号： F04C18/02 ,  F04C29/12

    CPC分类号： F04C29/126 ,  F04C18/0276

    摘要： A scroll compressor comprising a stationary scroll and a revolving scroll, the stationary and revolving scrolls having end plates with a level difference therebetween such that the height increases along the convolutions of the wall toward the center and decreases toward the outer peripheral end, the upper edge of the wall being of stepped shape corresponding to the level difference between the end plates, wherein a clearance is formed between the upper edge of the wall and each end plate and the height of the clearance is greater at the room temperature than during operation. Further, the level difference is provided at a position beyond a traveling angle π (rad) from the outer peripheral end along the direction of convolutions. Further, the end plate of the stationary scroll is formed with a recess, in which a delivery valve is installed. Further, a plate movable in the direction of the axis of revolution of the revolving scroll is installed and a pressing means for pressing the plate is provided. Further, the shape of a connecting wall surface connecting the adjoining ones of the surfaces of the individual end plates is determined by an envelope described by the revolving locus of a connecting edge connecting the adjoining ones of the individual upper edges. Further, there is provided a communication passage which establishes communication between two compression chambers defined by contact between the connecting edge and the connecting wall surface.

    摘要翻译： 1.一种涡旋式压缩机，其特征在于，由固定涡旋盘和旋转涡旋盘构成，该固定涡旋盘与回转涡旋盘之间具有高低差的端板，其高度沿着壁向中心的旋转方向增大，随着朝向外周端而减小， 所述壁是与所述端板之间的高度差对应的台阶形状，其中在所述壁的上边缘与每个端板之间形成间隙，并且所述间隙的高度在室温下大于在操作期间的高度。 此外，在从外周端沿着卷积方向的行进角π（rad）以外的位置设置高度差。 此外，固定涡盘的端板形成有凹槽，在该凹槽中安装输送阀。 此外，安装可沿回转涡旋盘的回转轴线方向移动的板，并设置用于按压板的按压装置。 此外，连接各个端板的相邻表面的连接壁表面的形状由连接相邻的各个上边缘的连接边缘的旋转轨迹描述的包络确定。 此外，提供了连通通道，该连通通道建立由连接边缘和连接壁表面之间的接触限定的两个压缩室之间的连通。