| 摘要 |
A Lysholm compressor is provided with a rotor 5 in which a spiral tooth groove 5a is formed in order to form a tooth groove space 7, the rotor 5 taking-in and compressing a fluid in the tooth groove space 7, a discharge port 9 which discharges fluid which is compressed by the rotor 5, a bypass path 11 which communicates the discharge port 9 and the tooth groove space 7, and an outlet portion 13 of the bypass path which faces the discharge port 9. The outlet portion 13 has a pipe shape which projects out into the discharge port 9. An outer peripheral portion of an end portion of the pipe-shaped bypass path outlet portion is tapered so as to become narrow toward a distal end.
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