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1. 发明授权

US5320167A Air conditioning and refrigeration systems utilizing a cryogen and heat pipes 失效
标题翻译：使用冷冻剂和热管的空调和制冷系统
公开(公告)号：US5320167A
公开(公告)日：1994-06-14
申请号：US982543
申请日：1992-11-27
申请人： Dale T. Johnson , Roland L. Roehrich , Herman H. Viegas
发明人： Dale T. Johnson , Roland L. Roehrich , Herman H. Viegas
IPC分类号： F25B19/00 , B60H1/32 , F24F5/00 , F25B29/00 , F25B47/02 , F25D29/00
CPC分类号： B60H1/3202 , F24F5/0017 , F25D29/001 , F25D3/105 , Y02E60/147
摘要： A refrigeration system, which conditions the air of a conditioned space via heating and cooling cycles, includes a heat exchanger and, in a first embodiment, heat pipes. A cryogen is circulated through the heat exchanger during a cooling cycle. During a heating cycle the flow of cryogen is terminated and heat is transferred into the heat exchanger via the heat pipes. In another embodiment, the temperature of evaporation of a liquid cryogen in the heat exchanger is selected according to the desired temperature of the conditioned space, via selectable cryogen flow paths which provide different pressures and thus different evaporation temperatures. Vaporized cryogen drives a motor connected to a fan which circulates air between the conditioned space and heat exchanger. In still another embodiment, the mass flow rate of liquid cryogen is controlled as a function of the degree of superheat in evaporated cryogen exiting the heat exchanger, and as a function of a predetermined floor temperature of conditioned air discharged into the conditioned space.
摘要翻译：通过加热和冷却循环调节调节空间的空气的制冷系统包括热交换器，并且在第一实施例中包括热管。在冷却循环期间，冷冻剂循环通过热交换器。在加热循环期间，终止冷冻剂流，热量通过热管传递到热交换器中。在另一个实施方案中，通过提供不同压力和因此不同蒸发温度的可选择的冷冻剂流动路径，根据调节空间的期望温度来选择热交换器中液体冷冻剂的蒸发温度。蒸发的冷冻剂驱动连接到风扇的马达，该风扇在调节空间和热交换器之间循环空气。在另一个实施方案中，液体冷冻剂的质量流率作为离开热交换器的蒸发的冷冻剂中的过热度的函数被控制，并且作为排放到调节空间中的调节空气的预定地板温度的函数来控制。

2. 发明授权

US5365744A Air conditioning and refrigeration systems utilizing a cryogen 失效
标题翻译：使用冷冻剂的空调和制冷系统
公开(公告)号：US5365744A
公开(公告)日：1994-11-22
申请号：US147369
申请日：1993-11-08
申请人： Herman H. Viegas , Roland L. Roehrich , Dale T. Johnson
发明人： Herman H. Viegas , Roland L. Roehrich , Dale T. Johnson
IPC分类号： B60H1/00 , B60H1/32 , F17C9/04 , F24F3/06 , F25D29/00 , F25D31/00
CPC分类号： B60H1/3202 , B60H1/00007 , F17C9/04 , F24F3/06 , F25D29/001 , F25D31/005 , F24F2005/0039
摘要： Air conditioning and refrigeration methods and apparatus for controlling the temperature of a conditioned space to a predetermined temperature band adjacent to a predetermined set point temperature via cooling and heating cycles utilizing a supply of pressurized cryogen. A fluid flow path for the cryogen includes a heat exchanger associated with the conditioned space. A cryogen heater is connected in the active cryogen flow path during a heating cycle, and cryogen is directed through the heater and heat exchanger via at least two successive serial passes, utilizing the elevated pressure energy of the cryogen as the motive force.
摘要翻译：空调和制冷方法和装置，用于通过使用加压制冷剂的供应通过冷却和加热循环将调节空间的温度控制在与预定设定点温度相邻的预定温度带。用于冷冻剂的流体流动路径包括与调节空间相关联的热交换器。冷热源加热器在加热循环期间连接在主动冷冻剂流路中，并且利用冷冻剂的高压能量作为动力，通过至少两个连续的连续通过将冷冻剂引导通过加热器和热交换器。

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