| 摘要 |
PURPOSE:To properly lubricate a screw compressor per each operational chamber according to a condition of the operational chamber, by providing a lubricating oil injection port at a tooth bottom of a female rotor, and providing a distributing valve at a shaft end for adjusting an injection quantity in each operational chamber. CONSTITUTION:A lubricating oil injection port 4 is formed at each tooth bottom of a female rotor 1, and is independently extended to an end of a main shaft. A slip ring 8 is mounted at the end of the main shaft, and is provided with induction ports 9 opening at equal intervals on an outer periphery thereof as communicated with oil passages to the injection ports 4. A filler member 13 is provided on the outer periphery of the slip ring 8. The filler member 13 includes a plurality of lubricating oil filling ports 12a-12d for supplying different amounts of lubricating oil to the induction ports 9.
|
