Patent ID: 6977004

Claim:
A vapor-liquid separator comprising: an introduction path allowing passage of a two-phase vapor-liquid fluid in a swirling state, said introduction path having an outlet via which the two-phase vapor-liquid fluid flows out of said introduction path; a delivery port provided in opposition to said outlet of said introduction path at a predetermined axial distance from said outlet and allowing passage of vapor phase separated from the two-phase vapor-liquid fluid; an outer tube surrounding said outlet of said introduction path while providing a predetermined separation between said outer tube and said outlet, said outer tube separating the vapor phase and liquid phase from each other; and a discharge tube provided on said outer tube and adapted to discharge from said outer tube the liquid phase separated from the two-phase vapor-liquid fluid, wherein said delivery port is formed on a delivery tube and said outer tube surrounds said delivery port while providing a predetermined separation between said outer tube and said delivery port, wherein said outlet of said introduction path and said delivery port formed on said delivery tube are located axially inside said outer tube by respectively predetermined axial distances as measured from corresponding axial end faces of said outer tube, and said discharge tube is located in the vicinity of the axial end face of said outer tube on a side toward said introduction path.