| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a screw compressor capable of improving a sealing performance between a casing and a gate rotor while reducing rotation resistance of the gate rotor, and improving efficiency of the compressor. <P>SOLUTION: An oil supply groove 51 is provided on a seal surface 11 of the casing 1. Oil in the oil supply groove 51 prevents gas in a compression chamber formed by mutual meshing of a screw rotor 2 and the gate rotor 3 from leaking through a part between the seal surface 11 of the casing 1 and one surface 30 of the gate rotor 3. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
