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热词
    • 3. 发明公开
    • Ejector cycle system
    • 喷射器循环系统
    • EP1300638A2
    • 2003-04-09
    • EP02022243.6
    • 2002-10-02
    • Denso Corporation
    • Takeuchi, Hirotsugu
    • F25B41/00F25B1/00
    • B60H1/3204B60H2001/3297B60H2001/3298F25B9/008F25B40/00F25B41/00F25B2309/061F25B2341/0011F25B2341/0012F25B2341/066
    • In an ejector cycle system, a variable throttle (450) is disposed at an upstream side of an ejector (400). When high-pressure side refrigerant pressure in the ejector cycle system is approximately equal to or higher than critical pressure of the refrigerant, the variable throttle is fully opened. When the high-pressure side refrigerant pressure is approximately lower than the critical pressure of the refrigerant, a throttle open degree of the variable throttle is reduced from the fully open degree so that high-pressure side refrigerant is decompressed in two steps of the variable throttle and the ejector. Accordingly, in both cases of a high heat load and a low heat load of the ejector cycle system, COP of the ejector cycle system can be improved.
    • 在喷射器循环系统中,可变节流阀(450)设置在喷射器(400)的上游侧。 当喷射器循环系统中的高压侧制冷剂压力近似等于或高于制冷剂的临界压力时,可变节流阀完全打开。 当高压侧制冷剂压力比制冷剂的临界压力低时,可变节流阀的节流开度从全开开度减小,高压侧制冷剂在可变节流阀的两级减压 和喷射器。 因此,在喷射器循环系统的高热负荷和低热负荷的情况下,喷射器循环系统的COP都可以得到改善。