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Patent Searching and Data


Title:
ELECTRIC OIL PUMP
Document Type and Number:
Japanese Patent JP2019112976
Kind Code:
A
Abstract:
To provide a miniaturized electric oil pump.SOLUTION: An electric oil pump 1 includes a motor part 10 having a shaft 11, a pump part 40 located on the front side of the motor part 10 and adapted to be driven via the shaft 11 to discharge oil, and a control part 82 for controlling the operation of the motor part 10, the motor part 10 having a rotor 20, a stator 22, and a cylindrical part 13d of a motor housing 13 storing them, the pump part 40 having a pump rotor 47 mounted to the shaft 11 protruded from the motor part 10 to the front side, and a pump housing 51 having a storage part 60 storing the pump rotor 47, the control part 82 having a plurality of electronic components 82b, 82c, 82d, 82e, and a circuit board 82a on which the plurality of electronic components 82b, 82d, 82e are packaged, the circuit board 82a having an end 82a1 arranged at a position of overlap with the cylindrical part 13d in a direction perpendicular to the face of the circuit board 82a.SELECTED DRAWING: Figure 3

Inventors:
KOBAYASHI YOSHIYUKI
KATAOKA YOSHIHIRO
OMORI YUTAKA
Application Number:
JP2017245615A
Publication Date:
July 11, 2019
Filing Date:
December 21, 2017
Export Citation:
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Assignee:
NIDEC TOSOK CORP
International Classes:
F04C15/00; F04B53/00; F04C2/10; H02K7/14
Attorney, Agent or Firm:
高法特許業務法人