| 摘要 |
PCT No. PCT/FI89/00100 Sec. 371 Date Dec. 13, 1990 Sec. 102(e) Date Dec. 13, 1990 PCT Filed Jun. 7, 1989 PCT Pub. No. WO89/12168 PCT Pub. Date Dec. 14, 1989.A liquid ring compressor has an annular space between the rotor and the rotor axle, the annular space being connected with the rotor compression zone through two or more discharge openings. The liquid ring compressor is operated with improved efficiency.
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