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    • 3. 发明授权
    • Vapor-compression refrigerant cycle with ejector
    • 带喷射器的蒸气压缩制冷剂循环
    • US06862897B2
    • 2005-03-08
    • US10779571
    • 2004-02-13
    • Kazuhisa MakidaHirotsugu TakeuchiHiroshi Oshitani
    • Kazuhisa MakidaHirotsugu TakeuchiHiroshi Oshitani
    • F25B1/00F25B9/00F25B41/00F25B1/06
    • F25B9/006B60H2001/3298F25B41/00F25B2341/0012F25B2400/12F25B2400/23
    • In a vapor-compression refrigerant cycle having an ejector, a mixture refrigerant of a first refrigerant and a second refrigerant is used. When the mixture refrigerant is decompressed and expanded in a nozzle of the ejector, the first refrigerant has an adiabatic heat drop that is larger than that of the second refrigerant. Further, the second refrigerant has an evaporation latent heat that is larger than that of the first refrigerant. In a gas-liquid separator, a gas-phase amount of the first refrigerant is made larger than that of the second refrigerant, and a liquid-phase amount of the second refrigerant is made larger than that of the first refrigerant. For example, the first refrigerant is propane, and the second refrigerant is butane. Accordingly, expansion energy recovered in the nozzle can be effectively converted to pressure energy in a pressure increasing portion of the ejector while cooling capacity of an evaporator can be improved.
    • 在具有喷射器的蒸汽压缩制冷剂循环中,使用第一制冷剂和第二制冷剂的混合制冷剂。 当混合制冷剂在喷射器的喷嘴中减压膨胀时,第一制冷剂具有比第二制冷剂大的绝热散热。 此外,第二制冷剂具有大于第一制冷剂的蒸发潜热。 在气液分离器中,使第一制冷剂的气相量大于第二制冷剂的气相量,使第二制冷剂的液相量比第一制冷剂的液相量大。 例如,第一制冷剂是丙烷,第二制冷剂是丁烷。 因此,可以在喷射器的增压部分中有效地将在喷嘴中回收的膨胀能量转化为压力能量,同时可以提高蒸发器的冷却能力。
    • 4. 发明授权
    • Automotive refrigerator
    • 汽车冰箱
    • US4748823A
    • 1988-06-07
    • US804930
    • 1985-12-05
    • Hideo AsanoKazuhisa MakidaKenichi FujiwaraKatsumi Hatanaka
    • Hideo AsanoKazuhisa MakidaKenichi FujiwaraKatsumi Hatanaka
    • B60H1/00B60H1/32F25B5/00F25D11/00F25D11/02
    • F25D11/006B60H1/005B60H1/323F25B5/00
    • A freezer-refrigerator for automotive vehicles, which includes a freezing chamber and a refrigeration chamber. The freezing chamber includes a freezing evaporator and a first cold storage member. The refrigeration chamber includes a refrigeration evaporator and a second cold storage member. Both evaporators are connected in series so that refrigerant flows from a compressor through the freezing evaporator and then through the refrigeration evaporator under a control of a solenoid valve which is controlled by signal from a temperature sensor provided in at least one of the chambers, thus controlling the freezing and refrigeration. The freezing temperature of the second cold storage member is set higher than that of the first cold storage member thereby to maintain the interior of the chambers at a temperature near the freezing temperature of the cold storage members for long time even after the compressor stops. The compressor has a plurality of cylinders with respective pistons at least one of which is operated for the freezing and refrigeration and the other of which are operated for the vehicle airconditioning.
    • 一种用于汽车的冷冻冰箱,其包括冷冻室和冷藏室。 冷冻室包括冷冻蒸发器和第一冷藏组件。 冷藏室包括制冷蒸发器和第二冷藏部件。 两个蒸发器串联连接,使得制冷剂从压缩机流过冷冻蒸发器,然后在电磁阀的控制下通过冷冻蒸发器,该电磁阀由来自设置在至少一个室中的温度传感器的信号控制,从而控制 冷冻和制冷。 第二冷藏部件的冷冻温度被设定为高于第一冷藏部件的冷冻温度,从而即使在压缩机停止之后长时间内也将室内部保持在接近冷藏部件的冷冻温度的温度。 压缩机具有多个具有相应活塞的气缸,其中至少一个活塞用于冷冻和制冷,另一个气缸用于车辆空调。
    • 5. 发明授权
    • Scroll compressor
    • 涡旋压缩机
    • US4696627A
    • 1987-09-29
    • US897021
    • 1986-08-15
    • Hideo AsanoKazuhisa MakidaKenichi Fujiwara
    • Hideo AsanoKazuhisa MakidaKenichi Fujiwara
    • F04C18/02F04C23/00F04C29/12F01C1/02
    • F04C29/122F04C18/0215F04C23/001
    • A scroll compressor comprises a housing including therein a suction chamber, a stationary scroll member including an end plate and a scroll element and being fixedly disposed within the housing, a movable scroll member including an end plate and a scroll element and being movably disposed within the housing to be capable of revolving around a center axis of the stationary scroll member but being prevented from rotating around its own axis, a plurality of working chambers each of which is defined by both scroll elements and moves centripetally and circumferentially while decreasing a volume thereof upon revolution of the movable scroll member, a stationary partition extending from an inner wall surface of the housing to the scroll element of the stationary scroll member, a movable partition radially reciprocatingly projecting from the inner wall surface of the housing and abutting against the scroll element of the movable scroll member, two suction chamber sections into which the suction chamber is divided by both scroll members and both partitions, and two inlet ports opening to the respective suction chamber sections and introducing the respective fluids into the suction chamber sections therethrough, which have different pressure levels.
    • 一种涡旋式压缩机,包括:壳体,其包括吸入室,包括端板和涡旋元件的固定涡旋构件,并且固定地设置在壳体内;动涡旋件,包括端板和涡旋件,并且可移动地设置在所述壳体内 壳体能够围绕固定涡旋件的中心轴线旋转,但是防止其绕其自身轴线旋转;多个工作室,每个工作室由两个涡旋件限定并且沿着圆周方向并且沿圆周方向移动,同时减小其体积 可动涡旋构件的旋转,从壳体的内壁表面延伸到固定涡旋构件的涡旋元件的静止分隔件,从壳体的内壁表面径向往复地突出的活动分隔件, 动涡旋件,两个抽吸室部分,其中的suctio n室由两个涡旋构件和两个隔板分开,两个入口端口通向相应的吸入室部分,并将相应的流体引入通过其的吸入室部分,其具有不同的压力水平。