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Patent Searching and Data


Title:
ELECTRIC OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2019/044518
Kind Code:
A1
Abstract:
An electric oil pump is provided which can suppress damage to electronic components in an inverter unit due to vibration. This electric oil pump 1 comprises a motor unit 10 having a shaft 11, a pump unit 40 driven via the shaft 11, and an inverter unit 70 positioned on the rear side of the motor unit 10 and fixed to the motor unit 10. The motor unit 10 comprises a rotor 20, a stator 22 and a motor housing 13 housing these. The pump unit 40 comprises a pump rotor 47 and a pump housing 51. The motor housing 13 has a bottomed cylinder shape with the bottom 13d on the inverter unit side, and the inverter unit 70 has an inverter housing 73 housing a circuit substrate 75. The inverter unit 70 has a metal base plate 77 which is arranged on the front side of the inverter housing 73 and which extends in the radial direction relative to the center axis J. The base plate 77 is fixed to the bottom 13d of the motor housing 13.

Inventors:
KATAOKA Shigehiro (24-1 Sobudai 2-chome, Zama-sh, Kanagawa 70, 〒2528570, JP)
KOBAYASHI Yoshiyuki (24-1 Sobudai 2-chome, Zama-sh, Kanagawa 70, 〒2528570, JP)
Application Number:
JP2018/030398
Publication Date:
March 07, 2019
Filing Date:
August 16, 2018
Export Citation:
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Assignee:
NIDEC TOSOK CORPORATION (24-1, Sobudai 2-chome Zama-sh, Kanagawa 70, 〒2528570, JP)
International Classes:
H02K11/33; F04C15/00; H02K7/14
Foreign References:
JP2013115860A2013-06-10
JP2002188573A2002-07-05
JP2004190547A2004-07-08
JP2006322451A2006-11-30
JP2008104321A2008-05-01
JP2013159973A2013-08-19
Attorney, Agent or Firm:
KOHO IP LAW (4-7 Nishi-Ikebukuro 5-chome, Toshima-ku Tokyo, 21, 〒1710021, JP)
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