公开(公告)号：EP1456541B1

公开(公告)日：2010-06-09

申请号：EP02780705.6

申请日：2002-11-18

申请人： CARRIER CORPORATION

发明人： WAGNER, Timothy, C. ,  LIFSON, Alexander ,  BUSH, James, W. ,  YANNASCOLI, Donald ,  DANIELS, Mark ,  LIN, Rene ,  ROUSSEAU, William

IPC分类号： F04C2/16

CPC分类号： F04C18/084 ,  F04C18/16 ,  F04C2230/91

公开(公告)号：EP1456541A1

公开(公告)日：2004-09-15

申请号：EP02780705.6

申请日：2002-11-18

申请人： CARRIER CORPORATION

发明人： WAGNER, Timothy, C. ,  LIFSON, Alexander ,  BUSH, James, W. ,  YANNASCOLI, Donald ,  DANIELS, Mark ,  LIN, Rene ,  ROUSSEAU, William

IPC分类号： F04C2/16

CPC分类号： F04C18/084 ,  F04C18/16 ,  F04C2230/91

摘要： A screw compressor includes at least two components defining at least two operating zones of different pressure and having surfaces defining a flow point between the at least two zones, and a surface treatment positioned on the surfaces so as to reduce clearance between the surfaces, and thereby reduce leakage through the flow point.