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    • 7. 发明申请
    • Tube Insert and Bi-Flow Arrangement for a Header of a Heat Pump
    • 用于热泵头部的管插入和双流布置
    • US20080093051A1
    • 2008-04-24
    • US11794776
    • 2005-12-22
    • Arturo RiosAllen Kirkwood
    • Arturo RiosAllen Kirkwood
    • F25B29/00F28F27/02F28F9/02
    • F28F9/0273F25B39/028F25B41/067F25B2341/061F25B2500/01F28D1/05366F28F27/02F28F2260/02Y10T29/49359
    • An inlet header (22) of a microchannel heat pump heat exchanger has a tube (34) disposed therein and extending substantially the length of the inlet header (22), with the tube (34) having a plurality of openings (36) therein. During cooling mode operation, refrigerant is caused to flow into an open end of the tube (34) and along its length to thereby flow from the plurality of openings (36) into the inlet header (22) prior to entering the microchannels (24) to thereby provide a uniform flow of two-phase refrigerant thereto. A bi-flow expansion device (41) placed at the inlet end of the tube (34) allows for the expansion of liquid refrigerant into the tube (34) during periods in which the heat exchanger operates as an evaporator and allows the refrigerant to flow directly from the header (22) and around the tube (34) during periods in which the heat exchanger operates as a condenser coil.
    • 微通道热泵热交换器的入口集管(22)具有设置在其中并基本上延伸入口集管(22)的长度的管(34),其中管(34)具有多个开口(36)。 在冷却模式运行期间,使致冷剂流入管34的开口端并沿着其长度流动,从而在进入微通道(24)之前从多个开口(36)流入入口集管(22) 从而提供均匀的两相制冷剂流。 放置在管(34)的入口端的双流膨胀装置(41)允许在热交换器作为蒸发器操作并允许制冷剂流动的时段期间将液体制冷剂膨胀到管(34)中 在热交换器作为冷凝器盘管操作的期间,直接从集管(22)和管(34)周围。
    • 8. 发明授权
    • Tube insert and bi-flow arrangement for a header of a heat pump
    • 用于热泵头部的管插入件和双向流动装置
    • US08113270B2
    • 2012-02-14
    • US11794776
    • 2005-12-22
    • Arturo RiosAllen C. Kirkwood
    • Arturo RiosAllen C. Kirkwood
    • G05D23/00F28F27/02F25B29/00
    • F28F9/0273F25B39/028F25B41/067F25B2341/061F25B2500/01F28D1/05366F28F27/02F28F2260/02Y10T29/49359
    • An inlet header (22) of a microchannel heat pump heat exchanger has a tube (34) disposed therein and extending substantially the length of the inlet header (22), with the tube (34) having a plurality of openings (36) therein. During cooling mode operation, refrigerant is caused to flow into an open end of the tube (34) and along its length to thereby flow from the plurality of openings (36) into the inlet header (22) prior to entering the microchannels (24) to thereby provide a uniform flow of two-phase refrigerant thereto. A bi-flow expansion device (41) placed at the inlet end of the tube (34) allows for the expansion of liquid refrigerant into the tube (34) during periods in which the heat exchanger operates as an evaporator and allows the refrigerant to flow directly from the header (22) and around the tube (34) during periods in which the heat exchanger operates as a condenser coil.
    • 微通道热泵热交换器的入口集管(22)具有设置在其中并基本上延伸入口集管(22)的长度的管(34),其中管(34)具有多个开口(36)。 在冷却模式运行期间,使制冷剂流入管34的开口端并沿着其长度流动,从而在进入微通道(24)之前从多个开口(36)流入入口集管(22) 从而提供均匀的两相制冷剂流。 放置在管(34)的入口端的双流膨胀装置(41)允许在热交换器作为蒸发器操作并允许制冷剂流过的时段期间将液体制冷剂膨胀到管(34)中 在热交换器作为冷凝器盘管操作的期间,直接从集管(22)和管(34)周围。