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(11) | EP 2 169 332 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Oil separator for separating refrigerant and oil |
| (57) An oil separator (4) that separates oil contained in refrigerant discharged from
a compressor (3) and has an oil separator main body (50) comprising a body portion
(52) and upper and lower end plates (53, 54) secured to both the ends of the body
portion (52), the oil separator main body being vertically installed in an erected
state includes a refrigerant lead-in pipe (60) that is secured to the oil separator
main body so as to extend along a tangential direction of the inner peripheral surface
of the oil separator main body and opened at one end thereof so that the opened one
end of the refrigerant lead-in pipe faces the inner peripheral surface of the oil
separator main body, and a gas refrigerant lead-out pipe (70) that penetrates through
the lower end plate (54) in the vertical direction of the oil separator main body
and extends along an axial line of the oil separator main body while one end portion
thereof is supported by the lower end plate (54), wherein a refrigerant gas lead-out
opening portion (71, 72) for taking in gas refrigerant from which oil is separated
in the oil separator main body is provided at at least one of a center area of the
gas refrigerant lead-in pipe and the other end portion of the gas refrigerant lead-out
pipe at the upper end plate (53) side.
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