发明名称 |
Schraubenspindelrotor und Verfahren zu dessen Herstellung |
摘要 |
A screw rotor for use in a hydraulic machine which has a pair of rotors engageable with each other to compress fluid, pump fluid or expand fluid, and a method of manufacturing such a screw rotor. The screw rotor comprises a shaft, a screw body including a number of stacked thin plates bonded with one another, and a cavity provided in the screw body and formed by openings of the stacked thin plates. The method of manufacturing a screw rotor comprises the steps of preparing a number of thin plates having at least one opening, stacking the thin plates in such a manner that a through hole of the thin plate receives a shaft, filling a cavity formed by the openings of the stacked thin plates with powdery pressure medium, and bonding the stacked thin plates with one another by diffusion bonding under a hot isostatic pressing process. <IMAGE> <IMAGE> |
申请公布号 |
DE69213179(T2) |
申请公布日期 |
1997.04.10 |
申请号 |
DE1992613179T |
申请日期 |
1992.10.15 |
申请人 |
EBARA CORP., TOKIO/TOKYO, JP |
发明人 |
TAKAHASHI, TSUTOMU, OHTA-KU, TOKYO, JP;NAKAHAMA, SHUHEI, OHTA-KU, TOKYO, JP |
分类号 |
F04C18/08;(IPC1-7):F04C2/08 |
主分类号 |
F04C18/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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