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Electric pump

An electric pump and rotor technology, applied in the field of electric pumps to improve their performance and productivity, can solve problems such as cost increase, and achieve the effects of improving productivity, realizing size and weight, and increasing productivity

Inactive Publication Date: 2007-01-31
AISIN SEIKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this configuration, the cost of assembly may increase

Method used

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Examples

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Embodiment Construction

[0013] Embodiments of the present invention will be described below with reference to the drawings.

[0014] Such as figure 1 As shown, an electric pump 1 drives and pumps fluid electrically, and includes a shaft 10 , a rotor 11 , a stator 12 , a partition wall 13 , winding wires 14 , a pump casing 15 , and a motor casing 16 .

[0015] The rotating shaft 10 is fitted with the central axis of the rotor 11 by being inserted (embedded). The first end of the rotating shaft 10 is rotatably supported by the pump casing 15 , and the second end of the rotating shaft 10 is rotatably supported by the motor casing 16 .

[0016] Such as figure 2 As shown, the rotor 11 includes a magnet portion 11a, an impeller portion 11b, and a connection portion 11c. The connecting portion 11c is formed in a substantially tubular shape including a hollow portion 11d. The rotary shaft 10 is inserted into the hollow portion 11 d of the connection portion 11 c and penetrates therethrough, and the roto...

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PUM

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Abstract

An electric pump includes a rotor including a magnet portion formed of a ring shaped structure and having a polar anisotropic ring magnet, and an impeller portion pressure-supplying a fluid and formed integrally with the magnet portion, and a stator rotating the rotor.

Description

technical field [0001] The invention relates to an electric pump. More particularly, the present invention relates to an electric pump whose performance and productivity can be improved. Background technique [0002] A known electric pump is disclosed in JP2004-308562A. According to the disclosed electric pump, a stator is provided in the casing, and the stator is made by winding a coil around an iron core. As the impeller rotates, it flows into the pump chamber through the inlet hole and is discharged from the outlet hole. The shaft penetrates through the stator and is fixed to the stator. The rotor is rotatably supported by the end of the shaft. The base of the shaft is supported by the lower plate, and, by resin molding, the The stator is formed in one piece with the housing. The entire rotor is made of plastic magnets, and the rotor and impeller are integrated into one piece. [0003] Furthermore, there is also known an electric pump provided with a motor section and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/06
CPCF04D29/2222H02K7/14F04D13/064H02K1/2733F04D29/043
Inventor 石黑干久神谷直树樋口匡
Owner AISIN SEIKI KK
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