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    SCROLL COMPRESSOR
    4.
    发明公开
    SCROLL COMPRESSOR 审中-公开

    公开(公告)号：EP3388674A1

    公开(公告)日：2018-10-17

    申请号：EP18166913.6

    申请日：2018-04-12

    申请人： LG Electronics Inc.

    发明人： LEE, Kangwook ,  KIM, Taekyoung ,  LEE, Byeongchul ,  KIM, Cheolhwan

    IPC分类号： F04C23/00 ,  F04C29/02 ,  F04C18/02

    CPC分类号： F04C18/0215 ,  F04C23/008 ,  F04C29/0057 ,  F04C29/0078 ,  F04C29/0085 ,  F04C29/026 ,  F04C29/12 ,  F04C2240/40

    摘要： Scroll compressor including: a casing (10); a drive motor (20) which is held in place within the casing (10) and has an internal flow passage and an external flow passage to pass through; a rotation shaft (50) which is combined with the drive motor (20) for rotation; a frame (31) that is provided under the drive motor (20) and through which the rotation shaft (50) passes for support; a first scroll (32) which is provided under the frame (31) and on whose one flank surface a first wrap (323) is formed; a second scroll (33) which is provided between the frame (31) and the first scroll (32), on which a second wrap (332) that is engaged with the first wrap (323) is formed, with which the rotation shaft (50) is eccentrically combined and which forms a compression chamber; and a flow passage separation unit (40) which separates a space between the drive motor (20) and the frame (31) into an internal space (A1) and an external space (A2).

    SCROLL FLUID MACHINE
    6.
    发明授权
    SCROLL FLUID MACHINE 有权

    公开(公告)号：EP2650541B1

    公开(公告)日：2018-08-29

    申请号：EP11855396.5

    申请日：2011-11-22

    申请人： Anest Iwata Corporation

    发明人： ITO, Hiroshi ,  TANIGAWA, Shiro ,  MIDORIKAWA, Youhei

    IPC分类号： F04C18/02 ,  F04C27/00 ,  F04C23/00 ,  F04C29/00

    CPC分类号： F04C18/0246 ,  F04C18/0223 ,  F04C18/0253 ,  F04C23/001 ,  F04C27/005 ,  F04C27/008 ,  F04C29/0057

    摘要： A scroll fluid machine includes a revolving scroll in which a revolving wrap stands upright on an end plate supported revolvably on a drive shaft, and a fixed scroll which is provided opposite the revolving scroll and in which a fixed wrap stands upright on an end plate, wherein the revolving wrap and the fixed wrap are overlapped so as to form a compression chamber for compressing a fluid by causing the revolving scroll to revolve. The scroll fluid machine further includes: a rod-shaped member that is attached to the end plate of the revolving scroll and extends to a rear surface side of the fixed scroll, which is a side not opposing the revolving scroll; and a revolving plate that is attached to the rod-shaped member, provided with a pin crank mechanism, and supported revolvably on the drive shaft. The revolving plate is provided with a sealing unit that seals the compression chamber in an axial direction.

    SCROLL COMPRESSOR
    7.
    发明授权
    SCROLL COMPRESSOR 有权

    公开(公告)号：EP2700818B1

    公开(公告)日：2018-08-01

    申请号：EP11863892.3

    申请日：2011-04-22

    申请人： Hitachi-Johnson Controls Air Conditioning, Inc.

    发明人： OYAMADA Tomonaga ,  YANAGASE Yuichi ,  KOYAMA Masaki ,  SATO Eiji ,  OHNO Kousaku

    IPC分类号： F04C18/02 ,  F04C29/02 ,  F04C29/00

    CPC分类号： F04C18/0215 ,  F04C29/0057 ,  F04C29/023 ,  F04C2240/54

    摘要： A scroll compressor includes: a fixed scroll 112; an orbiting scroll 109; a crankshaft 103 having an eccentric section 108 at an end portion; an oil supply hole 115 penetrating an inside of the crankshaft in an axial direction and having an opening portion on an end surface of the eccentric section: an orbiting sliding bearing 110 provided at the orbiting scroll and sliding by engaging with the eccentric section; and an oil supply passage 116 provided at an outer circumference of the eccentric section. The scroll compressor is structured so as to lubricate a gap between the eccentric section and the orbiting sliding bearing by lubricating oil supplied through the oil supply hole. At the outer circumference of the eccentric section, an axial loss reduction groove 117 is provided separately from the oil supply passage, and seal sections 118a, 118b are provided on at least one of the end surface side and a base end side of the eccentric section of the loss reduction groove. With this configuration, shear resistance of an oil film by the lubricating oil, which exists between an outer circumferential surface of the eccentric section of the crankshaft and an inner circumferential surface of the orbiting sliding bearing, can be reduced, and a bearing loss during fluid lubrication can be reduced.