| 摘要 |
PROBLEM TO BE SOLVED: To provide an ejector capable of exhibiting high nozzle efficiency and high boosting performance in spite of load variation of a refrigeration cycle without making the build large-sized.SOLUTION: An ejector includes: a body 30 including a space 30b for pressure reduction which reduces the pressure of a refrigerant flowing out of a revolution space 30a where the refrigerant revolves, a passage 13b for suction which sucks a refrigerant from outside, and a space 30e for pressure raising where a jet refrigerant jetted from the space 30b for pressure reduction and the sucked refrigerant sucked from the passage 13b for suction are mixed and raised in pressure; and a conic passage formation member 35 which is arranged inside the body 30. A nozzle passage 13a is formed between an inner peripheral surface of the space 30b for pressure reduction and an outer peripheral surface of the passage formation member 35, a diffuser passage 13c is formed between an inner peripheral surface of a region where the space 30e for pressure raising is formed and the outer peripheral surface of the passage formation member 35, and revolution acceleration means is provided which comprises a distributing plate 38a accelerating a revolution flow of the refrigerant revolving in the diffuser passage 13c. |
