Title:
PUMP DEVICE
Document Type and Number:
Japanese Patent JP2022080963
Kind Code:
A
Abstract:
To provide a pump device capable of shielding electromagnetic waves generated from a circuit board and electromagnetic waves from the outside.SOLUTION: A pump device 1 includes a resin seal member 7 including a cylindrical part 74 covering a stator 6 and opened at the other side L2 in the axial direction, a circuit board 8 stored in the cylindrical part 74 and including a ground connection part 83, a cover member 9 covering the cylindrical part 74 from the other side L2 and including a conductive member 92, and an elastic member 16 electrically connecting the conductive member 92 and the ground connection part 83, the resin seal member 7 including a placement part 79 provided in the cylindrical part 74 where the circuit board 8 is placed from one side L1, the elastic member 16 having elastic contact with the conductive member 92 and the ground connection part 83, the elastic member 16 being fixed to the placement part 79 together with the circuit board 8 with a fixing member 791.SELECTED DRAWING: Figure 3
Inventors:
YAMAMOTO TAKESHI
Application Number:
JP2020192198A
Publication Date:
May 31, 2022
Filing Date:
November 19, 2020
Export Citation:
Assignee:
NIDEC SANKYO CORP
International Classes:
F04D13/06; F04D29/00; F04D29/58; H02K5/22
Attorney, Agent or Firm:
Kawai Toru
Shin Kodaira
Nobuko Kawaguchi
Shin Kodaira
Nobuko Kawaguchi
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