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    • 3. 发明授权
    • Method and arrangement for pumping refrigerants
    • 泵送制冷剂的方法和装置
    • US5067325A
    • 1991-11-26
    • US543809
    • 1990-07-24
    • Jan-Olov L. Ahman
    • Jan-Olov L. Ahman
    • F25B20060101F25B45/00
    • F25B45/00F25B2345/002
    • A method and apparatus for enabling refrigerants, preferably freons, to be emptied from refrigeration systems or heat pump systems with the aid of piston compressor pumps when repairing or scrapping such systems. The compressor suction line is connected to one chamber of a heat exchanger and a pressure reduction valve is connected in the suction line upstream of the heat exchanger. The pressure line extending from the compressor passes to an oil separator and then to the other chamber of the heat exchanger. The fall in pressure in the reduction valve and heating of the refrigerant in the heat exchanger causes the refrigerant to be in a gaseous state when reaching the compressor, which is a prerequisite for safe operation of the compressor. The pressure increase achieved in the compressor pump and cooling of the refrigerant in the heat exchanger enables the refrigerant to be delivered to a container, preferably in a liquid state.
    • PCT No.PCT / SE89 / 00029 Sec。 371日期1990年7月24日 102(e)日1990年7月24日PCT 1989年1月27日PCT PCT。 出版物WO89 / 07227 日本1989年8月10日。一种在修理或废弃这种系统时,借助于活塞式压缩机泵,使致冷剂(优选氟利昂)能够从制冷系统或热泵系统中排空的方法和装置。 压缩机吸入管线连接到热交换器的一个室,减压阀连接在热交换器上游的吸入管路中。 从压缩机延伸的压力线传递到油分离器,然后到达热交换器的另一个室。 减压阀的压力下降和热交换器中制冷剂的加热使得制冷剂到达压缩机时处于气态,这是压缩机的安全运行的先决条件。 在压缩机泵中实现的压力增加和制冷剂在热交换器中的冷却使得制冷剂能够被输送到容器中,优选地在液体状态下运送。
    • 5. 发明授权
    • Refrigerating process and apparatus therefor
    • 制冷过程及其设备
    • US4048810A
    • 1977-09-20
    • US678489
    • 1976-04-20
    • Sten Olof Zeilon
    • Sten Olof Zeilon
    • F25B20060101F25B25/02F25B37/00F25B15/00
    • F25B37/00F25B25/02Y02B30/62
    • This invention relates to a refrigerating process according to the known compression-absorption method, in which a solution of gas in a liquid absorbent is conducted in a closed cycle from an absorber to an evaporator in which by heat supply thereto a certain amount of gas is expelled from the absorbent and from which the solution having a lower gas concentration and, after compression, the expelled gas are separately recycled to the absorber in which by removal of heat from the solution the recycled gas is again dissolved in the absorbent for restoration of the gas concentration of the solution which is then transferred to the evaporator, and the invention is characterized in that the evaporation of gas from, and the absorption of gas in, the absorbent is continuously effected in the solution along an elongated chamber where a substantial temperature gradient from one end to the other end of the chamber is maintained whereby the compression-absorption process may be effected at a relatively low compression ratio.
    • 本发明涉及一种根据已知的压缩吸收方法的制冷方法,其中吸液体中的气体溶液在从吸收器到蒸发器的封闭循环中进行,其中通过向其供应一定量的气体 从吸收剂中排出并且具有较低气体浓度的溶液并且在压缩之后将排出的气体分别再循环到吸收器中,其中通过从溶液中除去热量,再循环气体再次溶解在吸收剂中用于恢复 然后将溶液的气体浓度转移到蒸发器中,本发明的特征在于,吸附剂中的气体的蒸发和吸收的气体在溶液中在沿着细长室的情况下连续进行,其中基本温度梯度 保持室的一端到另一端,从而压缩吸收过程可以在相关的情况下进行 低压缩比。
    • 9. 发明授权
    • Chemisorption air conditioner
    • 化学吸附空调
    • US4574874A
    • 1986-03-11
    • US482860
    • 1983-04-07
    • Melchor Duran
    • Melchor Duran
    • C09K5/16F24F20060101F24V30/00F25B20060101F25B17/08F25B27/02F28D19/00F28D19/04B60H1/06B60H1/32F25B15/00
    • F25B27/02C09K5/16F25B17/086F28D19/00Y02B30/625Y02P20/124
    • A chemisorption thermal system provides a cooling output by revolving an array of thermal elements through heat sink and heat source temperature zones defined within a cylindrical housing. Each thermal element is an enclosed elongated body having an absorbent material at one end and a reactant containing part at the other end. Reactant is desorbed from the absorbent material in one part of the thermal cycle, and then evaporated from the reactant containing part to provide a cooling output in another part of the cycle. It is particularly suitable as a vehicle air conditioner using the engine waste heat as a heat source and the vehicle radiator as a heat sink. The invention also makes use of dry chemical absorbent materials which have high heats of reaction allowing the system to have a high heat capacity and low volume. The thermal cycle may be reversed to provide a heating output.
    • 化学吸附热系统通过在圆柱形壳体内限定的散热器和热源温度区域旋转一组热元件来提供冷却输出。 每个热元件是封闭的细长体,其在一端具有吸收材料,另一端具有反应物容纳部分。 反应物在热循环的一部分中从吸收材料中脱附,然后从含反应物的部分蒸发,以在循环的另一部分提供冷却输出。 特别适合作为使用发动机余热作为热源的车辆空调,车辆散热器作为散热器。 本发明还利用具有高反应热的干燥化学吸收材料,使得系统具有高的热容量和低的体积。 热循环可以反转以提供加热输出。