mycom 320LUD - Page 39

Chapter 2 Compressor Specifications and Structure
UD-series Screw Compressor 2.4 Compressor Structure and Mechanism
2-18
Oil supply header
Figure 2-14 Oil Supply Route of Forced Oil Supply System
Figure 2-15 Lubricating oil flow inside the compressor
① Oil injection
Unloader Push Rod
② Oil supply pipe (for lubrication)
Thrust Bearing
Mechanical Seal
③ Unloader operation
（
Solenoid valve
）
Unloader piston
Rotor chambe
r
Discharge port
Main Bearing
Balance Piston
Side Bearing
Slide valve
Injection hole