发明授权
- 专利标题: Rotor and flexible drive shaft assembly
- 专利标题(中): 转子和柔性传动轴总成
-
申请号: US226713申请日: 1994-04-12
-
公开(公告)号: US5411383A公开(公告)日: 1995-05-02
- 发明人: Aron T. Parnell , Gareth D. Thomas
- 申请人: Aron T. Parnell , Gareth D. Thomas
- 申请人地址: GBX Manchester
- 专利权人: Mono Pumps Limited
- 当前专利权人: Mono Pumps Limited
- 当前专利权人地址: GBX Manchester
- 优先权: GBX9325248 19931209
- 主分类号: F04C15/00
- IPC分类号: F04C15/00 ; F01C5/00
摘要:
A rotor and flexible drive shaft assembly for a progressive cavity pump or motor in which the rotor 10 is provided with an end portion 12 and the drive shaft 20 is provided with a head portion 18. A transverse spirally wound sheet metal pin 24 is engaged in the first passage 16 in the end portion 12 and a second passage 22 in the head portion 18, a retaining sleeve 26 preventing the pin from falling out, the retaining sleeve itself being held in place by a circlip 32.
公开/授权文献
信息查询