Check valve mounted adjacent scroll compressor outlet
    11.
    发明授权
    Check valve mounted adjacent scroll compressor outlet 有权
    止回阀安装在相邻的涡旋压缩机出口

    公开(公告)号:US06227830B1

    公开(公告)日:2001-05-08

    申请号:US09366808

    申请日:1999-08-04

    IPC分类号: F04C1804

    摘要: Several discharge check valve arrangements for scroll compressors move the check valve closer to the discharge port and the compression chambers. This reduces the amount of discharge pressure backflow, and thus reduces the amount of reverse rotation at shutdown. In one type of check valve arrangement, a plug is mounted within a check valve chamber to provide a stop for the check valve. The plug allows the check valve to seat against its valve seat while the compressor is operating to allow gas to flow around the check valve into a discharge plenum. At shutdown, the check valve arrangement is constructed to cause the check valve to rapidly close the discharge port. In other arrangements, the discharge check valve assembly may be mounted in a separator plate as a separate valve plug. This embodiment is similar to an earlier embodiment in the basic operation of the check valve.

    摘要翻译: 用于涡旋压缩机的多个排放止回阀装置将止回阀移动到更靠近排出口和压缩室的位置。 这减少了排出压力的回流量,从而减少了关闭时的反转量。 在一种类型的止回阀装置中,塞子安装在止回阀室内以为止回阀提供停止。 当压缩机运行时,该插头允许止回阀抵靠其阀座座位,以允许气体在止回阀周围流动到排气室。 关闭时,止回阀装置构造成使止回阀快速关闭排放口。 在其他布置中,排放止回阀组件可以作为单独的阀塞安装在隔板中。 该实施例与止回阀的基本操作中的早期实施例类似。

    Scroll compressor with dual clutch capacity modulation
    20.
    发明授权
    Scroll compressor with dual clutch capacity modulation 失效
    带双离合器容量调节的涡旋压缩机

    公开(公告)号:US06354821B1

    公开(公告)日:2002-03-12

    申请号:US09718918

    申请日:2000-11-22

    IPC分类号: F01C102

    摘要: A simplified drive arrangement is provided to allow a scroll compressor to be operated at two capacity levels by a reversible electric motor. A pair of one-way clutches are positioned on a pair of parallel shafts. When the motor is driven in a forward direction drive passes through one of the one-way clutches and directly to the orbiting scroll. However, when the motor is driven in a reverse direction, drive passes through a countershaft, which in turn passes through a second one-way clutch. The drive passing through the second one-way clutch will result in the orbiting scroll being driven at a distinct speed then when the motor is driven in a reverse direction. In this way, capacity modulation is achieved with a very simple mechanism.

    摘要翻译: 提供了简化的驱动装置,以允许涡旋压缩机通过可逆电动机在两个容量水平下操作。 一对单向离合器位于一对平行轴上。 当电动机沿向前方向驱动时,驱动器通过单向离合器中的一个并且直接到达绕动涡旋件。 然而,当电动机沿相反方向驱动时,驱动器通过中间轴,中间轴又穿过第二单向离合器。 通过第二单向离合器的驱动将导致绕涡旋盘以不同的速度被驱动,然后当电动机沿相反的方向驱动时。 以这种方式,通过非常简单的机制实现容量调制。