公开(公告)号：US20120037338A1

公开(公告)日：2012-02-16

申请号：US13264442

申请日：2010-04-14

申请人： Stephen Forbes Pearson

发明人： Stephen Forbes Pearson

IPC分类号： F28F9/00

CPC分类号： F28F25/10 ,  F28D5/02 ,  F28F25/00

摘要： An evaporative cooler for cooling a fluid contained in an array of spaced heat exchange elements by heat transfer to a cooling liquid flowing downwardly around the elements in counter current flow to an upwardly flowing gas is provided. The evaporative cooler includes a casing (1) housing the array (2) of spaced heat exchange elements, the gas flowing upwardly through the casing, and humid gas leaving the casing at an upper end; a restrictor (3) comprising a series of apertures (3a) located below the array of spaced heat exchange elements; the spaces between the heat exchange elements being aligned with the apertures, to provide substantially straight upwardly directed gas-flow channels through the heat exchange array; gas being drawn into the casing through the restrictor apertures and producing a pressure drop sufficient to inhibit loss of cooling liquid from a lower end of the cooler; and a coalescer (6) located above the heat exchange array, such that liquid droplets entrained in the upward gas flow are captured and coalesced to a size whereby coalesced liquid droplets falls down onto the heat exchange array.

摘要翻译： 提供一种蒸发冷却器，其用于通过热传递到包含在间隔开的热交换元件的阵列中的流体，所述热传递到围绕元件向下流动的冷却液体，逆流流向向上流动的气体。 蒸发冷却器包括容纳间隔开的热交换元件的阵列（2）的壳体（1），气体向上流过壳体，以及在上端离开壳体的湿气体; 限制器（3）包括位于间隔开的热交换元件阵列下方的一系列孔（3a）; 热交换元件之间的空间与孔对准，以提供通过热交换阵列的基本直的向上指向的气流通道; 气体通过限流器孔被吸入壳体，产生足以抑制冷却液从冷却器下端流出的冷却液体的压降; 以及位于热交换器阵列上方的聚结器（6），使得夹带在向上的气体流中的液滴被捕获并聚结成由此聚结的液滴落到热交换阵列上的尺寸。

公开(公告)号：US07845190B2

公开(公告)日：2010-12-07

申请号：US10887520

申请日：2004-07-08

申请人： Stephen Forbes Pearson

发明人： Stephen Forbes Pearson

IPC分类号： F25B1/00

CPC分类号： F25B1/02 ,  F25B9/008 ,  F25B2309/061 ,  F25B2400/074 ,  F25B2400/075 ,  F25B2400/13 ,  F25B2400/23

摘要： A transcritical vapour compression refrigeration apparatus including: a compressor, a gas cooler, an economiser, an evaporator and a refrigerant; the refrigerant being compressed in the compressor, heat being rejected from the compressed refrigerant at supercritical pressure in the gas cooler, the cooled compressed refrigerant being then expanded in a first stage to first temperature and pressure conditions in the economiser and then expanded in a second stage to second temperature and pressure conditions; a stream of refrigerant from the economiser at said first temperature and pressure conditions then being compressed in a first stream in the compressor, refrigerant at said second temperature and pressure conditions absorbing heat in the evaporator and then being compressed in a separate second stream in the compressor; said first and second compressed streams then being combined before passing to the gas cooler or passing through separate gas coolers before being combined.

摘要翻译： 一种跨临界蒸气压缩式制冷装置，具备：压缩机，气体冷却器，节能器，蒸发器和制冷剂; 制冷剂在压缩机中被压缩，在气体冷却器中以超临界压力从压缩制冷剂中排出热量，然后冷却的压缩制冷剂在第一阶段中膨胀到节能器中的第一温度和压力条件，然后在第二阶段中膨胀 到第二温度和压力条件; 在所述第一温度和压力条件下，来自节能器的制冷剂流在压缩机中以第一流压缩，在所述第二温度下的制冷剂和在蒸发器中吸收热量的第二温度和压力条件下，然后在压缩机中以单独的第二流压缩 ; 所述第一和第二压缩流然后在通过气体冷却器之前被组合，或者在组合之前通过单独的气体冷却器。

公开(公告)号：US5688432A

公开(公告)日：1997-11-18

申请号：US619720

申请日：1996-04-19

申请人： Stephen Forbes Pearson

发明人： Stephen Forbes Pearson

IPC分类号： C07C9/08 ,  C07C9/12 ,  C07C19/08 ,  C09K5/04

CPC分类号： C09K5/045 ,  C09K2205/12 ,  C09K2205/128 ,  C09K2205/42 ,  C09K2205/43

摘要： A refrigerant composition for use in a vapour-compression refrigeration apparatus as a replacement for currently used refrigerants R22 and R12 comprises a mixture of pentafluoroethane (R125), tetrafluoroethane (R134a), a hydrocarbon selected from isobutane (R600a) and propane (R290), and optionally octafluoroethane (R218). The composition contains no chlorine atoms and is non-depleting to atmospheric ozone; but specific compositions have pressure-temperature relations substantially the same as R22 and R12 thereby allowing their use as direct replacements therefor in existing refrigeration apparatus.

摘要翻译： PCT No.PCT / GB94 / 02042 Sec。 371日期1996年04月19日 102（e）日期1996年4月19日PCT 1994年9月20日PCT公布。 公开号WO95 / 08602 日期1995年3月30日用于蒸气压缩式制冷装置的制冷剂组合物作为当前使用的制冷剂R22和R12的替代物包括五氟乙烷（R125），四氟乙烷（R134a），选自异丁烷（R600a）和 丙烷（R290）和任选的八氟乙烷（R218）。 该组合物不含氯原子，并且不消耗大气臭氧; 但是具体的组成物具有与R22和R12基本相同的压力 - 温度关系，从而允许它们作为现有制冷装置中的直接替代物。

公开(公告)号：US06248255B1

公开(公告)日：2001-06-19

申请号：US09068367

申请日：1998-07-16

申请人： Stephen Forbes Pearson

发明人： Stephen Forbes Pearson

IPC分类号： C09K504

CPC分类号： C09K5/045 ,  C09K2205/124 ,  C09K2205/128 ,  C09K2205/22 ,  C09K2205/42

摘要： A refrigerant composition which is suitable as a substitute for conventional refrigerant R12 in a vapour compression system employing a centrifugal compressor, comprises a mixture of tetraflouroethane and at least one additional refrigerant. The refrigerant mixture has a vapour density which renders it suitable for use as an R12 replacement in a centrifugal compression refrigeration system. The molecular weight of the mixture approximates 121. Preferred mixtures include 67 wt. % tetraflouroethane and 33 wt. % octafluoropropane; 69 wt. % tetrafluoroethane and 31 wt. % octafluorocyclobutane; and 66 wt. % tetrafluoroethane and 34 wt. % heptafluoropropane. Refrigeration effect and coefficient of performance are similar to R12.

摘要翻译： 在采用离心压缩机的蒸汽压缩系统中适合作为常规制冷剂R12的替代物的制冷剂组合物包括四氟乙烷和至少一种另外的制冷剂的混合物。 制冷剂混合物具有蒸气密度，使其适合用作离心压缩制冷系统中的R12替代物。 混合物的分子量约为121.优选的混合物包括67wt。 ％四氟乙烷和33wt。 ％八氟丙烷; 69重量％ ％四氟乙烷和31重量％ ％八氟环丁烷; 和66wt。 ％四氟乙烷和34重量％ ％七氟丙烷。 制冷效果和性能系数与R12相似。