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    • 21. 发明公开
    • Mode changing apparatus for a scroll compressor
    • Modusänderungsvorrichtungfüreinen Spiralverdichter
    • EP2085617A2
    • 2009-08-05
    • EP09151717.7
    • 2009-01-30
    • LG Electronics Inc.
    • Kiem, Myung-KyunHwang, Seon-Woong
    • F04C18/02F04C28/26
    • F04C18/0215F04C23/008F04C28/10F04C28/12F04C28/24
    • A mode changing apparatus for a scroll compressor is provided that may include a low-pressure passage that communicates with a suction side formed by an orbiting motion of an orbiting scroll, an intermediate-pressure passage that communicates with an intermediate-pressure side formed by the orbiting motion of the orbiting scroll, a block assembly mounted at the fixed scroll and having a connection channel that connects the low-pressure passage and the intermediate-pressure passage, a switching device disposed at the block assembly that opens/closes the connection channel, and a pressure supply device that selectively applies, to the block assembly, a discharge gas pressure discharged from the fixed and orbiting scrolls and a suction gas pressure sucked into the fixed and orbiting scrolls, to thereby operate the switching device. With such a simplified structure, the gas compression capacity of a scroll compressor may be varied, enhancing energy efficiency of a system.
    • 提供一种涡旋压缩机的模式改变装置,其可以包括与吸入侧连通的低压通道,与中压侧连通的中压通道,安装在固定涡旋件上的块组件,具有 连接所述低压通路和所述中压通路的连接通路,设置在所述块组件处的开闭所述连接通路的开关装置,以及选择性地对所述块组件施加放电气体压力的压力供给装置 从固定和绕动涡卷排出并吸入吸入气体压力到固定和绕动的涡卷中,从而操作切换装置。
    • 25. 发明公开
    • SCROLL COMPRESSOR
    • 滚动压缩机
    • EP3211237A1
    • 2017-08-30
    • EP17154150.1
    • 2017-02-01
    • LG ELECTRONICS INC.
    • JIN, HonggyunJOO, Sangwoo
    • F04C23/00F04C29/12F04C18/02F04C28/10
    • F04C28/26F04C18/0215F04C18/0261F04C18/0292F04C23/008F04C28/10F04C29/126F04C2240/30F04C2240/808
    • A scroll compressor according to the present invention includes a casing having a hermetic inner space divided into a low pressure portion and a high pressure portion, an orbiting scroll disposed within the inner space of the casing and performing an orbiting motion, a non-orbiting scroll forming a compression chamber together with the orbiting scroll, the compression chamber having a suction chamber, an intermediate pressure chamber and a discharge chamber, a back pressure chamber assembly coupled to the non-orbiting scroll to form a back pressure chamber, a valve accommodation groove formed on at least one of the non-orbiting scroll or the back pressure chamber assembly, a bypass hole formed from the intermediate pressure chamber into the valve accommodation groove in a penetrating manner, a check valve accommodated in the valve accommodation groove and opening and closing the bypass hole according to pressure of the intermediate pressure chamber, a communication passage communicating the valve accommodation groove and the low pressure portion with each other, and a control valve selectively opening and closing the communication passage, whereby a facilitated fabrication, improved responsiveness and relaxed restriction for a specification of a valve can be achieved.
    • 根据本发明的涡旋式压缩机包括:具有被分成低压部分和高压部分的密封内部空间的壳体;布置在壳体的内部空间内并且执行绕动运动的绕动涡旋件;非绕动涡旋件 与动涡盘一起形成压缩室,所述压缩室具有吸入室,中间压力室和排出室;背压室组件,所述背压室组件耦合到所述定涡旋件以形成背压室;阀容纳槽 在所述定涡旋盘或所述背压室组件中的至少一个上形成有从所述中间压室穿透进入所述阀容纳槽的旁通孔,容纳在所述阀容纳槽中的止回阀以及打开和关闭 根据中间压力室的压力设置旁通孔,连通通道 g阀门容纳槽和低压部分相互连通,以及选择性地打开和关闭连通通道的控制阀,从而可以实现便利的制造,改进的响应性和放松的对阀门规格的限制。