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1. 发明申请

WO2021142327A1 ECONOMIZER CONTROL SYSTEMS AND METHODS 审中-公开
公开(公告)号：WO2021142327A1
公开(公告)日：2021-07-15
申请号：PCT/US2021/012784
申请日：2021-01-08
申请人： JOHNSON CONTROLS TECHNOLOGY COMPANY
发明人： NEMIT, JR., Paul , COMSTOCK, Angela Marie
IPC分类号： F04B39/08 , F04B39/10 , F04B49/03 , F04B49/22 , F04C28/24 , F04D27/00 , F25B1/00 , F04B39/1013 , F04B49/225 , F04C18/16 , F04C29/0014 , F25B1/047 , F25B2400/077 , F25B2400/13 , F25B2500/19 , F25B2600/0253 , F25B2600/2509 , F25B2600/2515 , F25B2700/04 , F25B2700/13 , F25B2700/171 , F25B2700/193 , F25B2700/2109 , F25B2700/2115 , F25B31/023 , F25B41/20 , F25B41/30 , F25B41/39 , F25B49/02
摘要： An economizer control system includes a compressor including a compression area, a piston chamber, and an economizer inlet configured to receive economizer vapor into the compression area via a flow path that extends between the economizer inlet and the compression area. At least a portion of the flow path traverses the piston chamber. The economizer control system also includes a piston disposed within the piston chamber and configured to contact the economizer vapor. The piston is moveable between an open position that opens the flow path and a closed position that closes the flow path. Additionally, the economizer control system includes a biasing system configured to apply force to the piston to bias the piston toward the closed position.

2. 发明申请

WO2010111685A2 COMPRESSOR 审中-公开
标题翻译：压缩机
公开(公告)号：WO2010111685A2
公开(公告)日：2010-09-30
申请号：PCT/US2010/028966
申请日：2010-03-26
申请人： JOHNSON CONTROLS TECHNOLOGY COMPANY , NEMIT, JR., Paul , COMSTOCK, Angela Marie , KOPKO, William L.
发明人： NEMIT, JR., Paul , COMSTOCK, Angela Marie , KOPKO, William L.
IPC分类号： E21B7/04
CPC分类号： F04C28/26 , F04C18/16 , F04C28/06 , F04C28/12 , F04C28/125 , F04C28/16 , F04C28/18
摘要： A system is provided for adjusting the volume ratio of a screw compressor. The system can use a port in a rotor cylinder to bypass vapor from the compression chamber to the discharge passage of the compressor. A valve can be used to open or close the port to obtain different volume ratios in the compressor.
摘要翻译：提供一种用于调节螺杆式压缩机的体积比的系统。该系统可以使用转子气缸中的端口将蒸汽从压缩室旁通到压缩机的排放通道。阀可用于打开或关闭端口，以获得压缩机中的不同体积比。

3. 发明申请

WO2014058477A1 MANUAL Vi ADJUSTMENT MECHANISM FOR SCREW COMPRESSORS 审中-公开
标题翻译：螺旋压缩机手动维护调整机构
公开(公告)号：WO2014058477A1
公开(公告)日：2014-04-17
申请号：PCT/US2013/036553
申请日：2013-04-15
申请人： JOHNSON CONTROLS TECHNOLOGY COMPANY
发明人： NEMIT, Paul, Jr. , COMSTOCK, Angela Marie , MALIK, Shahebaz
IPC分类号： F04C28/12 , F04C28/26 , F04C29/12 , F04C18/16
CPC分类号： F04C18/16 , F04C28/12 , F04C28/125 , F04C28/26 , F04C29/128
摘要： A variable capacity screw compressor for use in a refrigeration system is provided. Compressed refrigerant gas from the compressor is expelled into a discharge port in fluid communication with the refrigeration circuit. The volume associated with the discharge port can be periodically varied, allowing the efficiency of the compressor to be varied periodically. The discharge port volume includes a penetration that houses a movable member or plug that permits the volume to be periodically varied. This movable member is accessible from the exterior of the compressor housing to adjust the position of the movable member within the discharge port volume. The movable member may be adjusted to a full open position in which the discharge port volume is maximized, to a full closed position in which the discharge port volume is minimized, and to any position between full open and full closed.
摘要翻译：提供了一种用于制冷系统的可变容量螺杆式压缩机。来自压缩机的压缩制冷剂气体被排出到与制冷回路流体连通的排出口。与排放口相关联的体积可以周期性地变化，从而允许压缩机的效率周期性地变化。排出口容积包括容纳允许体积周期性变化的可移动部件或插头的穿透。该可移动构件可从压缩机壳体的外部接近以调节可移动构件在排出口容积内的位置。可移动构件可以被调节到排放口容积最大的完全打开位置，到排气口容积最小化的完全关闭位置，以及完全打开和全闭合之间的任何位置。

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