发明公开
- 专利标题： ELECTROPOMPE A MOTEUR LINEAIRE
- 专利标题（英）： Electric pump with a linear motor
- 专利标题（中）： 采用直线电机电泵
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申请号： EP97919436.0申请日： 1997-03-27
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公开(公告)号： EP0840855A1公开(公告)日： 1998-05-13
- 发明人: BEAUQUIN, Jean-Louis , JACQUART, Jean
- 申请人： ELF AQUITAINE PRODUCTION
- 申请人地址： Tour Elf 2 Place de la Coupole La Défense 6 92400 Courbevoie FR
- 专利权人： ELF AQUITAINE PRODUCTION
- 当前专利权人： ELF AQUITAINE PRODUCTION
- 当前专利权人地址： Tour Elf 2 Place de la Coupole La Défense 6 92400 Courbevoie FR
- 代理机构： Timoney, Ian Charles Craig
- 优先权： FR19960003999 19960329
- 国际公布： WO1997037131 19971009
- 主分类号： E21B43
- IPC分类号： E21B43 ; F04B17 ; F04B47
摘要：
An electric pump including a linear motor (34) consisting of a stator (40) and a moving element (42) driven by the electromagnetic field generated by the stator, and a pump piston driven by the linear motor, is disclosed. The piston (42) is arranged inside the stator (40) of the electric pump and forms the moving element of the linear motor. An oil well facility provided with such an electric pump is also disclosed.
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