Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRIC PUMP
Document Type and Number:
Japanese Patent JP2013199922
Kind Code:
A
Abstract:

To provide an electric pump configured to suppress the heat of a pump unit or coil for driving the pump unit from being transmitted to a control unit.

An electric pump includes: a housing 40 having a housing space for both of the pump unit 20 and the control unit 70; an outer rotor 21 and an inner rotor 22 provided to the pump unit 20 and for sucking fluid and rotating to discharge the fluid; a circuit board 70a provided to the control unit 70 and for controlling the rotation of both of the outer rotor 21 and the inner rotor 22; a coil 11 disposed between the pump unit 20 and the control unit 70, and energized from the circuit board 70a; a motor rotor 12 rotated by the supply of electricity to the coil 11; and a shaft 30 for rotating the inner rotor 22 by the rotation of the motor rotor 12; wherein a heat insulation member 90 for blocking heat transfer is interposed between the pump unit 20 and the control unit 70.


Inventors:
NAKAYOSHI HIDEKI
Application Number:
JP2012099971A
Publication Date:
October 03, 2013
Filing Date:
April 25, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AISIN SEIKI
International Classes:
F04B53/08; F04B53/00; F04C2/10