Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR AND PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/198517
Kind Code:
A1
Abstract:
One embodiment of the motor of the present invention is provided with: a rotor having a shaft rotating about a center axis; a stator radially facing the rotor across a gap; a circuit board located on one axial side of the stator and having an axially facing board surface; an electronic component mounted on the surface of the circuit board, which is located on one axial side of the circuit board, the electronic component being connected electrically to the stator; and a case which contains the rotor, the stator, the circuit board, and the electronic component. The case has a cover having a cover body which covers the one axial side of the circuit board. The cover body has: a base section which covers one axial side of the portion of the circuit board, which is different from the portion of the circuit board, on which the electronic component is mounted; and a containing section which protrudes further toward one axial side than the base section and which covers one axial side of the electronic component. At least part of the electronic component is contained in the containing section.

Inventors:
JIANG Zhengwang (24-1 Sobudai 2-chome, Zama-sh, Kanagawa 70, 〒2528570, JP)
HIGUCHI Koji (24-1 Sobudai 2-chome, Zama-sh, Kanagawa 70, 〒2528570, JP)
KAJITA Kunihiro (24-1 Sobudai 2-chome, Zama-sh, Kanagawa 70, 〒2528570, JP)
Application Number:
JP2019/013421
Publication Date:
October 17, 2019
Filing Date:
March 27, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIDEC TOSOK CORPORATION (24-1, Sobudai 2-chome Zama-sh, Kanagawa 70, 〒2528570, JP)
International Classes:
H02K11/33; H02K5/18; H02K7/14
Domestic Patent References:
WO2014129037A12014-08-28
WO2014188803A12014-11-27
Foreign References:
JP2015198168A2015-11-09
Attorney, Agent or Firm:
KOHO IP LAW (4-7 Nishi-Ikebukuro 5-chome, Toshima-ku Tokyo, 21, 〒1710021, JP)
Download PDF: