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EJECTOR DEVICE AND VAPOR COMPRESSION REFRIGERATION CYCLE USING EJECTOR DEVICE

机译:使用喷射装置的喷射装置和蒸气压缩制冷循环

摘要

PROBLEM TO BE SOLVED: To provide an ejector device having a nozzle capable of stably improving the nozzle efficiency when depressurizing fluid in a gas-liquid two-phase condition and to provide a vapor compression refrigeration cycle using the ejector device.;SOLUTION: In a passage expanding portion 145 of the nozzle 140 of the ejector, an expanding angle θ2 of a passage wall surface of an outlet portion 148 from a middle portion 147 in a refrigerant flow direction to a jet port 142 is larger than an expanding angle θ1 of a passage wall surface of the middle portion 147 and at the outlet portion 148, the expanding angle θ2 gradually increases toward a downstream side.;COPYRIGHT: (C)2010,JPO&INPIT
机译:解决的问题:提供一种具有喷嘴的喷射器装置,该喷射器能够在气液两相条件下对流体进行减压时稳定地提高喷嘴效率,并提供使用该喷射器装置的蒸气压缩式制冷循环。喷射器的喷嘴140的通道扩展部分145,出口部分148从制冷剂流动方向上的中间部分147到喷射口142的通道壁表面的扩展角θ2大于扩展角度θ。 ;中间部分147的通道壁表面的; 1和在出口部分148处,扩展角θ2朝着下游侧逐渐增大。;版权:(C)2010,JPO&INPIT

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