发明名称 |
METHOD OF MANUFACTURING SCREW ROTOR, SCREW ROTOR, AND WATER INJECTION TYPE SCREW COMPRESSOR |
摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a screw rotor which improves quality; the screw rotor; and a water injection type screw compressor. SOLUTION: In the method of manufacturing the screw rotor having a helical tooth section, two or more resin blocks 20 containing a short fiber reinforcing material 18 and a granular reinforcing material 19 are respectively formed into a circular plate shape. Two or more resin blocks 20 are inserted through a rotor shaft 21 and are stacked in the axial direction thereof. Two or more stacked resin blocks 20 are machined to form the tooth section. COPYRIGHT: (C)2011,JPO&INPIT |
申请公布号 |
JP2011112019(A) |
申请公布日期 |
2011.06.09 |
申请号 |
JP20090271227 |
申请日期 |
2009.11.30 |
申请人 |
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO LTD |
发明人 |
TAKEDA FUMIO;OTA HIROSHI;NISHIHARA TATSUTOMO |
分类号 |
F04C18/16;F04C29/00 |
主分类号 |
F04C18/16 |
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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