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    • 4. 发明授权
    • Scroll compressor with axial vibration prevention for a shaft bearing
    • 螺旋压缩机轴向振动预防轴承
    • US5213489A
    • 1993-05-25
    • US688556
    • 1991-09-03
    • Sadao KawaharaMichio YamamuraJiro YudaYoshinori KojimaShuichi YamamotoManabu SakaiShigeru MuramatsuOsamu Aiba
    • Sadao KawaharaMichio YamamuraJiro YudaYoshinori KojimaShuichi YamamotoManabu SakaiShigeru MuramatsuOsamu Aiba
    • F04C28/28F01C21/10F04C18/02F04C23/00F04C29/00F04C29/06
    • F04C29/068F01C21/102F04C18/0215F04C2230/60F04C23/008F05B2230/60F05B2250/15F05B2250/25
    • In a scroll-type compressor, the revolving motion drive shaft 16, formed on the revolving end plate 12 at the side opposite to the revolving swirl blades 11, is fitted in an eccentric bearing eccentrically disposed inside of the main shaft of the crank shaft 6. The crank shaft 6 is connected to the rotor of the electric motor and is supported at the end portion thereof opposite to the main shaft by an upper bearing of a rolling type. Above the upper bearing, a rise preventing plate 24 for preventing the crank shaft 6 from excessively rising upwards is arranged in a fixed manner. The crank shaft 6 is so shaped as to have a stepped portion where the diameter of the shaft portion mounting the rotor 5 becomes stepwise greater than that of the shaft portion fitted in the upper bearing 21. Between the stepped portion and the inner race of the upper bearing 21 is provided an elastic member 26 which can be wave shaped. Between the rise preventing plate 24 and the end portion of the crank shaft 6 opposite to the main shaft of the crank shaft 6 a narrow clearance is maintained. By applying an elastic force of the elastic member 26 on the inner race of the upper bearing in the axial direction, abnormal noises from the bearing caused by axial vibrations and resonances of the shaft system can be prevented.
    • PCT No.PCT / JP90 / 01424 Sec。 371日期1991年9月3日 102(e)1991年9月3日PCT 1990年11月2日PCT PCT。 第WO91 / 06776号公报 日期:1991年5月16日。在涡旋式压缩机中,旋转运动驱动轴16形成在与旋转涡流叶片11相反的一侧的旋转端板12上,偏心轴承配置在主体 曲柄轴6的轴线与电动机的转子连接,并通过滚动轴承的上轴承支撑在与主轴相对的端部。 在上轴承上方,以固定的方式布置用于防止曲轴6过度上升的防止上升板24。 曲柄轴6的形状为具有台阶部分,其中安装转子5的轴部分的直径比装配在上轴承21中的轴部分的直径大得多。在步进部分和内圈之间, 上轴承21设置有可以是波浪形的弹性构件26。 在上升防止板24与曲轴6的与曲轴6的主轴相对的端部之间保持窄的间隙。 通过将弹性构件26的弹力沿轴向施加在上轴承的内圈上,可以防止轴向振动引起的轴承的异常噪声和轴系的共振。
    • 9. 发明授权
    • Scroll-type compressor with discharge opening above the lubricant
reservoir
    • 滚筒式压缩机,带有开放式润滑油储存器
    • US5213490A
    • 1993-05-25
    • US688598
    • 1991-09-03
    • Shuichi YamamotoOsamu AibaMichio Yamamura
    • Shuichi YamamotoOsamu AibaMichio Yamamura
    • F04C29/02F04C18/02F04C23/00F04C29/06
    • F04C29/068F04C23/008F04C29/065
    • A scroll-type compressor has a stationary scroll frame 7 on which a discharge muffler 24 is provided so as to form a first discharge space 24a. First and second discharge passages 25, 26 are formed to extend through the stationary scroll frame 7 and a bearing 20 so as to provide communication between the first discharge space 24a and the interior of the hermetic container 1. The second communication hole opens in the interior of the hermetic container 1 through a guide member 29 at a level above the level of a lubricating oil in a lubricant reservoir 31. Since the opening of the second communication hole into the hermetic container is set by the guide member 29 at a level above the oil level in the lubricant reservoir 31, the discharge passage can be formed easily without requiring any special component which defines the passage.
    • PCT No.PCT / JP90 / 01416 Sec。 371日期1991年9月3日 102(e)1991年9月3日PCT 1990年11月2日PCT PCT。 出版物WO91 / 06768 日期:1991年5月16日。涡旋式压缩机具有固定涡卷机架7,在其上设有排气消音器24,以形成第一放电空间24a。 第一和第二排出通道25,26形成为延伸通过固定涡旋框架7和轴承20,以便在第一排出空间24a和密封容器1的内部之间提供连通。第二连通孔在内部打开 通过导向构件29在润滑剂储存器31中的润滑油的水平面上方的密封容器1中。由于第二连通孔进入密封容器的打开由引导构件29设定在高于 润滑油储存器31中的油位可以容易地形成排出通道,而不需要限定通道的任何特殊部件。