发明名称 RODA MOTRIZ OU ROTOR DE BOMBA OU TURBINA HIDRAULICA E,RESPECTIVO PROCESSO DE FABRICACAO
摘要 <p>A fabricated crown for a Francis-type hydraulic turbine runner. The crown is fabricated from an integrally formed inner circular portion and a pair of outer semi-circular portions welded thereto. The inner circular portion provides a rigid section of high integrity to which the runner shaft is connected.</p>
申请公布号 BR7605418(A) 申请公布日期 1977.08.16
申请号 BR19767605418 申请日期 1976.08.18
申请人 ALLIS CHALMERS CORP 发明人 GRUBB R
分类号 F03B3/12;F04D29/22;(IPC1-7):F04D29/20 主分类号 F03B3/12
代理机构 代理人
主权项
地址