Patent ID: 6622495
Filing Date: 2003-09-23
Classification: F04F,F25B

Abstract:
A refrigerating system, comprising:a lubricating oil tank; an evaporator; an equalizing pipe member connecting said lubricating oil tank to said evaporator; a mist tank connected to said equalizing pipe member and which separates lubricating oil from a fluid which flows through said equalizing pipe member; and an ejector which removes the lubricating oil separated in said mist tank from said mist tank, the ejector including: a negative pressure generating passage through which a fluid flows; a member having a first hole disposed in said negative pressure generating passage, said fluid flowing through said first hole of said member; a negative pressure chamber disposed at a downstream side of said member having a second hole; an inlet passage open to said negative pressure chamber, said inlet passage communicating with said mist tank; and a filter deposed in said inlet passage.