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    Refrigeration system having a variable speed compressor
    1.
    发明授权
    Refrigeration system having a variable speed compressor 有权
    具有变速压缩机的制冷系统

    公开(公告)号：US08011191B2

    公开(公告)日：2011-09-06

    申请号：US12570348

    申请日：2009-09-30

    申请人： Qi Wang ,  Todd Swift ,  Richard Bair

    发明人： Qi Wang ,  Todd Swift ,  Richard Bair

    IPC分类号： F25B7/00

    CPC分类号： F25B7/00 ,  F25B49/022 ,  F25B2500/12 ,  F25B2500/26 ,  F25B2600/0253 ,  F25B2600/111 ,  F25B2700/1931 ,  F25B2700/1933 ,  F25B2700/21151 ,  F25B2700/21152 ,  F25B2700/21161 ,  F25B2700/21174 ,  F25B2700/21175 ,  F25D11/04 ,  F25D2700/02 ,  F25D2700/12 ,  F25D2700/14 ,  Y02B30/741 ,  Y02B30/743 ,  Y02B40/32

    摘要： A two-stage cascade refrigeration system is provided having a first refrigeration stage and a second refrigeration stage. The first refrigeration stage defines a first fluid circuit for circulating a first refrigerant, and has a first compressor, a condenser, and a first expansion device that is in fluid communication with the first fluid circuit. The second refrigeration stage defines a second fluid circuit for circulating a second refrigerant, with the second refrigeration stage having a second compressor, a second expansion device, and an evaporator that is in fluid communication with the second fluid circuit. A heat exchanger is in fluid communication with the first and second fluid circuits to exchange heat between the first and second refrigerants. At least one of the first or second compressors is a variable speed compressor.

    摘要翻译： 提供了具有第一制冷级和第二制冷级的两级级联制冷系统。 第一制冷级限定用于循环第一制冷剂的第一流体回路，并且具有第一压缩机，冷凝器和与第一流体回路流体连通的第一膨胀装置。 第二制冷级限定用于使第二制冷剂循环的第二流体回路，其中第二制冷级具有与第二流体回路流体连通的第二压缩机，第二膨胀装置和蒸发器。 热交换器与第一和第二流体回路流体连通，以在第一和第二制冷剂之间交换热量。 第一或第二压缩机中的至少一个是变速压缩机。

    Environmental monitoring module and method
    7.
    发明申请
    Environmental monitoring module and method 审中-公开
    环境监测模块及方法

    公开(公告)号：US20050140510A1

    公开(公告)日：2005-06-30

    申请号：US10735618

    申请日：2003-12-16

    申请人： Bryan Elwood ,  Richard Bair ,  Walter Tipton

    发明人： Bryan Elwood ,  Richard Bair ,  Walter Tipton

    IPC分类号： G06F11/00

    CPC分类号： G06F11/3058

    摘要： To remotely diagnose and control equipment, a sensor attached the equipment is queried. This sensor generates a signal in response to an environmental condition of the equipment. In addition, the signal is received and a value is calculated based on the signal and a response curve of the sensor. Furthermore, the calculated value is compared to a range between a first value and a second value and a backup system attached to the equipment is modulated in response to the calculated value being outside the first value and the second value.

    摘要翻译： 要远程诊断和控制设备，查询附件的传感器。 该传感器响应设备的环境条件产生信号。 此外，接收信号，并且基于传感器的信号和响应曲线计算值。 此外，将所计算的值与第一值和第二值之间的范围进行比较，并且响应于所计算的值在第一值和第二值之外调制附加到设备的备用系统。

    Pipe jack
    9.
    发明授权
    Pipe jack 失效
    管道千斤顶

    公开(公告)号：US06725971B1

    公开(公告)日：2004-04-27

    申请号：US10154133

    申请日：2002-05-22

    申请人： Richard Bair

    发明人： Richard Bair

    IPC分类号： E04G100

    CPC分类号： E04G7/28 ,  B25H1/06 ,  B25H1/10 ,  E04G1/32 ,  Y10T403/32524

    摘要： An improved load-supporting system for scaffolding, lengths of elongated stock used in the construction industry, tools, and other loads includes a unique system for adjusting the height at which a load is held above a supporting surface. The invention includes a column having a column axis of alignment and at least one sleeve disposed about the column in coaxial sliding engagement therewith. The sleeve has an appendage forming a radially inwardly facing jaw and a jamming washer that surrounds the column and extends into the jaw. The height at which a load is held above a supporting surface is varied by adjusting the relative longitudinal positions of the sleeve and the column. By momentarily forcing the jamming washer into perpendicular alignment relative to the column, incremental adjustment of the relative positions of the sleeve and the column occur. However, with each incremental adjustment, the jamming plate is forced against the wedging surface of the jaw, thus forcing it out of perpendicular alignment with the column and halting any further movement of the load toward the underlying surface until the next incremental adjustment.

    摘要翻译： 用于脚手架的改进的负载支撑系统，在建筑行业中使用的细长股票的长度，工具和其他负载包括用于调节负载被保持在支撑表面上方的高度的独特系统。 本发明包括具有对准的柱轴线的柱和围绕柱同轴滑动接合的至少一个套筒。 套筒具有形成径向向内的夹爪的附件和围绕柱并延伸到夹爪中的卡住垫圈。 负载被保持在支撑表面上方的高度通过调节套筒和柱的相对纵向位置来改变。 通过立即强制干扰垫圈相对于柱体垂直对准，发生套筒和柱的相对位置的增量调整。 然而，随着每次增量调整，卡纸板被迫抵靠钳口的楔形表面，从而迫使其脱离与柱的垂直对准，并且阻止负载向着下面的表面的任何进一步运动，直到下一增量调节。