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    • 1. 发明申请
    • TUBE INSET AND BI-FLOW ARRANGEMENT FOR A HEADER OF A HEAT PUMP
    • 用于热泵头部的管壁和双流装置
    • WO2006083426A1
    • 2006-08-10
    • PCT/US2005/046604
    • 2005-12-22
    • CARRIER CORPORATIONRIOS, ArturoKIRKWOOD, Allen, C.
    • RIOS, ArturoKIRKWOOD, Allen, C.
    • F25B29/00F28F9/02F28F27/02
    • F28F9/0273F25B39/028F25B41/067F25B2341/061F25B2500/01F28D1/05366F28F2260/02Y10T29/49359
    • 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),管(34)中的多个开口(36)在其中。 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。
    • 5. 发明申请
    • PARALLEL FLOW EVAPORATOR WITH SHAPED MANIFOLDS
    • 平行流动蒸发器与形状的形状
    • WO2006053311A2
    • 2006-05-18
    • PCT/US2005/041249
    • 2005-11-14
    • CARRIER CORPORATIONKIRKWOOD, Allen, C.TARAS, Michael, F.CHOPKO, Robert, A.
    • KIRKWOOD, Allen, C.TARAS, Michael, F.CHOPKO, Robert, A.
    • F28F9/02F25B39/02F25B41/06
    • F28F9/028F25B39/028F28D1/05366F28F9/02
    • In a parallel flow evaporator, the inlet manifold construction consists of alternating expansion and contraction chambers to promote homogeneous conditions of the refrigerant, as it flows longitudinally through the inlet manifold, as a result of partial evaporation (throttling) and mixing and jetting effects (due to velocity augmentation). In a preferred embodiment, the parallel channels are fluidly connected to the expansion chambers so as to receive a homogeneous refrigerant mixture therefrom. In one embodiment, the expansion and contraction chambers are progressively smaller in size toward a downstream end, so as to accommodate the diminishing refrigerant flow as it progresses longitudinally along the inlet manifold. In another embodiment, the outlet manifold also consists of a repetitive pattern of alternating expansion and contraction chambers, so as to balance the impedances of the inlet manifold. In still another embodiment, these chambers are progressively larger in size toward a downstream end of the outlet manifold. In yet another embodiment, the flow-mixing inserts are introduced into the contraction chambers to further promote homogeneous conditions within the manifold. As a result, maldistribution in the heat exchanger is avoided, resulting in system performance augmentation and compressor reliability enhancement.
    • 在并联流量蒸发器中,入口歧管结构由交替的膨胀和收缩室组成,以促进制冷剂的均匀状态,因为其部分蒸发(节流)和混合和喷射效应 到速度增加)。 在优选实施例中,平行通道流体连接到膨胀室,以便从其中接收均匀的制冷剂混合物。 在一个实施例中,膨胀和收缩室的尺寸朝向下游端逐渐变小,以便随着沿着入口歧管纵向前进而减小制冷剂流量。 在另一个实施例中,出口歧管还包括交替的膨胀和收缩室的重复模式,以平衡入口歧管的阻抗。 在另一个实施例中,这些室朝向出口歧管的下游端逐渐变大。 在另一个实施例中,将流动混合插入件引入收缩室以进一步促进歧管内的均匀状态。 结果,避免了热交换器中的分布不均,导致系统性能增加和压缩机可靠性增强。
    • 10. 发明公开
    • PARALLEL FLOW EVAPORATOR WITH SHAPED MANIFOLDS
    • 具有成形分销平行流蒸发器
    • EP1809968A2
    • 2007-07-25
    • EP05821090.7
    • 2005-11-14
    • Carrier Corporation
    • KIRKWOOD, Allen, C.TARAS, Michael, F.CHOPKO, Robert, A.
    • F28F9/02F25B39/02F25B41/06
    • F28F9/028F25B39/028F28D1/05366F28F9/02
    • In a parallel flow evaporator, the inlet manifold construction consists of alternating expansion and contraction chambers to promote homogeneous conditions of the refrigerant, as it flows longitudinally through the inlet manifold, as a result of partial evaporation (throttling) and mixing and jetting effects (due to velocity augmentation). In a preferred embodiment, the parallel channels are fluidly connected to the expansion chambers so as to receive a homogeneous refrigerant mixture therefrom. In one embodiment, the expansion and contraction chambers are progressively smaller in size toward a downstream end, so as to accommodate the diminishing refrigerant flow as it progresses longitudinally along the inlet manifold. In another embodiment, the outlet manifold also consists of a repetitive pattern of alternating expansion and contraction chambers, so as to balance the impedances of the inlet manifold. In still another embodiment, these chambers are progressively larger in size toward a downstream end of the outlet manifold. In yet another embodiment, the flow-mixing inserts are introduced into the contraction chambers to further promote homogeneous conditions within the manifold. As a result, maldistribution in the heat exchanger is avoided, resulting in system performance augmentation and compressor reliability enhancement.