Title:
ELECTRIC OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2019/044523
Kind Code:
A1
Abstract:
In order to provide an electric oil pump in which damage to an electronic component inside an inverter part due to vibration can be inhibited, this electric oil pump (1) has a motor part (10) having a shaft (11), a pump part positioned on the front side of the motor part (10) and driven by the shaft (11), and an inverter part (70) that is fixed to the rear side of the motor part (10). The motor part (10) has a rotor (20), a stator (22), and a motor housing (13). The pump part (40) has a pump housing (51). The inverter part (70) has an inverter housing (73) that contains a circuit board (75), and an inverter housing fixing part (73b) for fixing the inverter housing (73) to the motor housing (13). The pump part (40) has a pump fixing part (65), and the circuit board (75) has an electronic component (83). The electronic component (83) is mounted on the circuit board (75) toward the motor part (10) side, and is arranged in a position that overlaps the inverter housing fixing part (73b) in a direction perpendicular to the shaft direction.
Inventors:
KATAOKA SHIGEHIRO (JP)
KOBAYASHI YOSHIYUKI (JP)
KOBAYASHI YOSHIYUKI (JP)
Application Number:
PCT/JP2018/030419
Publication Date:
March 07, 2019
Filing Date:
August 16, 2018
Export Citation:
Assignee:
NIDEC TOSOK CORP (JP)
International Classes:
F04C15/00
Foreign References:
| JP2004353536A | 2004-12-16 | |||
| JP2013092126A | 2013-05-16 | |||
| JP2013122234A | 2013-06-20 |
Attorney, Agent or Firm:
KOHO IP LAW (JP)
Download PDF: