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    • 4. 发明授权
    • Absorption type refrigeration system including compressor driven
auxiliary flow circuits isolated from main circuit
    • 吸收型制冷系统,包括与主回路隔离的压缩机驱动辅助流回路
    • US4374468A
    • 1983-02-22
    • US242193
    • 1981-03-10
    • Isao TakeshitaShiro Hozumi
    • Isao TakeshitaShiro Hozumi
    • F25B25/02F25D17/00
    • F25B25/02
    • An absorption type refrigeration system includes a main flow circuit, a first and a second auxiliary flow circuit. The main flow circuit includes a refrigerant generator containing a solution of evaporable refrigerant in a less evaporable solvent which is heated by solar energy. Pressurized vapor phase refrigerant is supplied to a main condenser and thence to a main evaporator and back to an absorber in which a low refrigerant content solution from the generator is converted to a high refrigerant content solution which is pumped to the generator for recirculation. An electrically driven compressor supplies vapor phase refrigerant through the first auxiliary flow circuit including a condenser, a diaphragm-operated expansion valve, and a first auxiliary evaporator which is arranged to cool the main condenser. The expansion valve is responsive to the vapor pressure of the generator to regulate the pressure of the auxiliary evaporator in a predetermined relationship with the pressure of the main condenser so that the pressure at which refrigerant is evaporated in the first auxiliary evaporator is lower than the pressure at which refrigerant is condensed in the main condenser. The expansion valve is closed when the generator pressure is below the evaporation pressure of the main circuit to direct refrigerant from the compressor to a second auxiliary evaporator.
    • 吸收型制冷系统包括主流路,第一辅助流路和第二辅助流路。 主流路包括制冷剂发生器,该制冷剂发生器含有由太阳能加热的较少蒸发溶剂的可蒸发制冷剂溶液。 加压的气相制冷剂被供给到主冷凝器,然后被供给到主蒸发器并且返回到吸收器,在该吸收器中来自发生器的低制冷剂含量溶液被转化成高的制冷剂含量溶液,该溶剂被泵送到发生器用于再循环。 电动压缩机通过包括冷凝器,隔膜操作膨胀阀和第一辅助蒸发器的第一辅助流动回路提供气相制冷剂,该辅助蒸发器被布置成冷却主冷凝器。 膨胀阀响应于发电机的蒸汽压力,以与主冷凝器的压力成预定关系来调节辅助蒸发器的压力,使得在第一辅助蒸发器中制冷剂蒸发的压力低于压力 制冷剂在主冷凝器中冷凝。 当发电机压力低于主回路的蒸发压力时,膨胀阀关闭,以将制冷剂从压缩机引导到第二辅助蒸发器。
    • 5. 发明授权
    • Thermal system based on thermally coupled intermittent absorption heat
pump cycles
    • 基于热耦合间歇吸收热泵循环的热系统
    • US4623018A
    • 1986-11-18
    • US629072
    • 1984-07-09
    • Isao TakeshitaNobuyuki YanagiharaTakaharu GamoYoshio Moriwaki
    • Isao TakeshitaNobuyuki YanagiharaTakaharu GamoYoshio Moriwaki
    • F25B17/00F25B17/12F25B15/00F28D21/00
    • F25B17/12F25B17/00Y02B30/62
    • A combined intermittently operated heat pump device which comprises n combinations (n being an integer equal to or greater than 2) of intermittently operated heat cycles, each combination comprising of vessels accommodating therein different kinds of absorbent material having different temperature and pressure characteristics and coupled with each other by means of a piping through which a common working medium can flow. The 2n batches of the absorbent materials in the respective vessels include at least n+1 kinds of the absorbent material having different temperature and equilibrium pressure characteristics, at least one temperature of heat of absorption in one of the cycles being selected to be higher than the temperature of heat of desorption in at least one of the remaining cycles. A heat transportation passage is provided between the one of the cycles and at least one of the remaining cycles for enabling the heat generated in the one of the cycles to be used as a heat input to the at least one of the remaining cycles.
    • 一种组合间歇操作的热泵装置,其包括间歇操作的热循环的n个组合(n为等于或大于2的整数),每个组合包括容纳不同种类的具有不同温度和压力特性的吸收材料的容器, 通过共同的工作介质可以通过该管道彼此流动。 各个容器中的2n批次的吸收材料包括至少n + 1种具有不同温度和平衡压力特性的吸收材料,其中一个循环中的至少一个吸热温度被选择为高于 在至少一个剩余循环中解吸热的温度。 在一个循环之间提供热传送通道,并且使剩余循环中的至少一个能够使在一个循环中产生的热量用作至少一个剩余循环的热量输入。
    • 8. 发明授权
    • Absorption type heat pump having indoor and outdoor radiators connected
in series in a water flow circuit during heat mode
    • 吸热式热泵,其具有室内和室外散热器,其在加热模式期间串联在水流回路中
    • US4368624A
    • 1983-01-18
    • US240591
    • 1981-03-04
    • Isao Takeshita
    • Isao Takeshita
    • F24D3/18F25B30/04F25B27/02
    • F25B30/04F24D3/18F25B2315/006
    • A heat pump comprises an indoor heat exchanger, an outdoor heat exchanger and a reversal valve which directs vapor phase refrigerant from a generator to the indoor heat exchanger during heating mode and to the outdoor heat exchanger during cooling mode. The reversal valve directs evaporated refrigerant to an absorber where it is absorbed by a strong solution supplied from the generator to generate absorption heat and a weak solution is pumped to the refrigerant generator. An indoor radiator and an outdoor radiator are connected in a closed loop water flow circuit during heating mode. A section of the water flow circuit passes through the absorber to extract heat therefrom to warm the indoor air by the indoor radiator. As a function of outdoor temperature, the water in the radiator is varied so that the temperature of the cooling water at the entry point of the absorber and hence the evaporation temperature is rendered variable so that the latter is automatically set at a point lower than the outdoor temperature to permit the outdoor heat exchanger to extract heat from the environment in a wide range of outdoor temperature variations. During cooling mode, the hot water from the absorber is routed to a second outdoor radiator bypassing the indoor radiator.
    • 热泵包括室内热交换器,室外热交换器和逆流阀,其在加热模式期间将来自发电机的气相制冷剂引导到室内热交换器,并且在冷却模式期间将室外热交换器引导到室外热交换器。 反向阀将蒸发的制冷剂引导到吸收器,在其中被来自发生器的强溶液吸收,从而产生吸收热,并将弱溶液泵送到制冷剂发生器。 室内散热器和室外散热器在加热模式下连接在闭环水流回路中。 水流回路的一部分通过吸收器从其中提取热量,以通过室内散热器对室内空气进行暖气。 作为室外温度的函数,散热器中的水变化,使得吸收器入口点处的冷却水的温度和蒸发温度变化,使得后者自动设定在低于 室外温度允许户外热交换器在室外温度变化范围内从环境中提取热量。 在冷却模式期间,来自吸收器的热水被路由到绕过室内散热器的第二室外辐射器。