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Title:
ELECTRIC PUMP
Document Type and Number:
WIPO Patent Application WO/2013/125339
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an electric pump configured so that the heat of the pump unit or of the coil which drives the pump unit is not transmitted to a control unit. The electric pump is provided with: a housing which has a housing space for both the pump unit and the control unit; an outer rotor and an inner rotor, which are provided to the pump unit, suck fluid, and rotate to discharge the fluid; a circuit board which is provided to the control unit and which controls the rotation of both the outer rotor and the inner rotor; a coil which is disposed between the pump unit and the control unit and to which electricity is supplied from the circuit board; a motor rotor which is rotated by the supply of electricity to the coil; a shaft which rotates the inner rotor by the rotation of the motor rotor; and a heat insulation member which is provided between the pump unit and the control unit and which blocks the transmission of heat.

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Inventors:
NAKAYOSHI HIDEKI (JP)
Application Number:
PCT/JP2013/052504
Publication Date:
August 29, 2013
Filing Date:
February 04, 2013
Export Citation:
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Assignee:
AISIN SEIKI (JP)
International Classes:
F04C15/00; H02K11/00
Foreign References:
JP2007285158A2007-11-01
JP2002155863A2002-05-31
JPH11155257A1999-06-08
JPH10271763A1998-10-09
JP2004293554A2004-10-21
JPH11234948A1999-08-27
Attorney, Agent or Firm:
KITAMURA Shuichiro et al. (JP)
Shuichiro Kitamura (JP)
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