In a gas-liquid separator for an ejector cycle, a tank body is constructed such that a refrigerant sprayed from a refrigerant inlet forms a spiral stream in the tank body. The tank body has a horizontal longitudinal axis greater than a vertical axis. The refrigerant inlet is located at a distance fr
In a gas-liquid separator for an ejector cycle, a tank body is constructed such that a refrigerant sprayed from a refrigerant inlet forms a spiral stream in the tank body. The tank body has a horizontal longitudinal axis greater than a vertical axis. The refrigerant inlet is located at a distance from the horizontal longitudinal axis of the tank body such that the refrigerant sprayed from the refrigerant inlet generates a turning force and spirally flows. With this, a gas-liquid separation distance of the refrigerant increases.
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1. A gas-liquid separator for an ejector cycle that includes an ejector for drawing gas refrigerant from an evaporator by decompressing refrigerant then increasing pressure of refrigerant to be sucked into a compressor, the gas-liquid separator comprising: a tank body for separating refrigerant in
1. A gas-liquid separator for an ejector cycle that includes an ejector for drawing gas refrigerant from an evaporator by decompressing refrigerant then increasing pressure of refrigerant to be sucked into a compressor, the gas-liquid separator comprising: a tank body for separating refrigerant into gas refrigerant and liquid refrigerant, the tank body defining a refrigerant inlet through which the refrigerant is discharged into the tank body from the ejector, a gas refrigerant outlet through which the gas refrigerant is discharged toward the compressor and a liquid refrigerant outlet through which the liquid refrigerant is discharged toward the evaporator, wherein: the tank body has a horizontal axis longer than a vertical axis; andthe tank body is constructed such that the refrigerant flows spirally about the horizontal axis throughout the tank body.2. The gas-liquid separator according to claim 1, wherein the refrigerant inlet is located at a distance from a horizontal, longitudinal axis of the tank body.3. The gas-liquid separator according to claim 1, wherein the tank body connects with the ejector in a horizontal direction.4. The gas-liquid separator according to claim 1, wherein the tank body connects with the ejector such that at least a part of the ejector is located in the tank body.5. The gas-liquid separator according to claim 1, wherein the tank body includes a partition wall for dividing a tank space into a gas refrigerant space and a liquid refrigerant space, wherein the partition wall is located above a liquid level of the liquid refrigerant. 6. The gas-liquid separator according to claim 1, wherein the refrigerant inlet is directed such that an axis of the refrigerant discharge direction from the refrigerant inlet crosses an inner wall of the tank body at an obtuse angle.7. The gas-liquid separator according to claim 1, wherein the tank body defines a curved inner wall such that the refrigerant discharged from the refrigerant inlet strikes the curved inner wall at an obtuse angle.8. A gas-liquid separator for an ejector cycle including an ejector, the gas-liquid separator comprising: a tank body for separating refrigerant into gas refrigerant and liquid refrigerant, the tank body including a substantially cylindrical wall portion having a horizontal longitudinal axis and first and second end surfaces, and the tank body defining a gas refrigerant outlet through which the gas refrigerant flows out of the tank body and a liquid refrigerant outlet through which the liquid refrigerant flows out of the tank body; and a refrigerant inlet pipe communicating the tank body with the ejector, wherein the refrigerant inlet pipe defines a refrigerant opening at its end, the refrigerant opening being opened inside the tank body such that refrigerant discharged from the opening is sprayed to form a spiral stream about the horizontal longitudinal axis throughout the tank body. 9. The gas-liquid separator according to claim 8, wherein the refrigerant opening is located at a distance from the horizontal longitudinal axis of the tank body.10. The gas-liquid separator according to claim 8, wherein the horizontal longitudinal axis of the tank body is longer than a vertical axis of the tank body.11. The gas-liquid separator according to claim 8, further comprising: a partition wall separating a tank space into a liquid refrigerant space and a gas refrigerant space, wherein the partition wall is placed horizontally above a liquid level. 12. The gas-liquid separator according to claim 8, wherein the refrigerant opening is directed such that an axis of a refrigerant spray direction crosses an inner wall of the tank body at an obtuse angle.13. The gas-liquid separator according to claim 8, wherein the refrigerant inlet pipe horizontally passes through the first end surface of the tank body.14. The gas-liquid separator according to claim 8, wherein the ejector is connected to the first end surface of the tank body.15. The gas-liquid separator according to claim 8, wherein the second end surface of the tank body is curved such that a refrigerant stream sprayed from the refrigerant opening strikes an inner wall of the tank body at an obtuse angle.16. The gas-liquid separator according to claim 2, wherein the gas refrigerant outlet is open in a horizontal direction and is located higher than the refrigerant inlet.17. The gas-liquid separator according to claim 2, wherein the refrigerant inlet and the gas refrigerant outlet are open in horizontal directions.18. The gas-liquid separator according to claim 1, wherein the tank body has a cylindrical wall having a horizontal longitudinal axis, and a first domed end wall and a second domed end wall at longitudinal ends of the cylindrical wall, the refrigerant inlet is located between the second domed end wall and a middle position of the cylindrical wall with respect to a horizontal direction and opens toward the second domed end wall so that the refrigerant sprayed from the refrigerant inlet strikes the second domed end wall at an obtuse angle, and the gas refrigerant outlet is located proximate to the first domed end wall. 19. The gas-liquid separator according to claim 12, wherein the second end surface is in a form of dome and the inner wall is included in the second end surface.20. The gas-liquid separator according to claim 13, wherein the opening of the inlet pipe is open in a horizontal direction and located between the second end surface and a middle position of the tank body with respect to the horizontal direction.21. The gas-liquid separator according to claim 20, wherein the gas refrigerant outlet is located proximate to the first end surface.22. The gas-liquid separator according to claim 21, wherein the liquid refrigerant outlet is located between the first end surface and the middle position of the tank body with respect to the horizontal direction.23. The gas-liquid separator according to claim 14, wherein the ejector is horizontally disposed in the tank body and connects to the inlet pipe on a side opposite to the opening, and the opening is located between the second end surface and a middle position of the tank body with respect to a horizontal direction.24. The gas-liquid separator according to claim 23, wherein the gas refrigerant outlet is located between the first end surface and the middle position of the tank body with respect to the horizontal direction.25. A gas-liquid separator for an ejector cycle that includes an ejector for drawing gas refrigerant from an evaporator by decompressing refrigerant, the gas-liquid separator comprising: a tank body for separating refrigerant into gas refrigerant and liquid refrigerant, the tank body defining a refrigerant inlet through which the gas refrigerant and the liquid refrigerant are discharged into the tank body from the ejector, a gas refrigerant outlet through which the gas refrigerant is discharged toward the compressor and a liquid refrigerant outlet through which the liquid refrigerant is discharged toward the evaporator, wherein the tank body is constructed such that the gas refrigerant and the liquid refrigerant flow throughout the tank body.
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