Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048342
Kind Code:
A1
Abstract:
This EPU (50) has a motor device (60), an inverter device (80), a unit housing (101), and a cooling device (800). The motor device (60) has a motor (61) and a motor housing (70). The inverter device (80) has an inverter (81) and an inverter housing (90). The motor (61) and the inverter (81) are accommodated in the unit housing (101). The cooling device (800) has a refrigerant passage (810) and a refrigerant pump (801). The refrigerant pump (801) causes refrigerant (RF) to flow through the refrigerant pump (801) such that the refrigerant (RF) circulates through the refrigerant passage (810). The unit housing (101) has a cooling fin (835) that releases heat from the refrigerant (RF) toward the outside. The cooling fin (835) is provided to a unit outer surface (101os).
Inventors:
NAGAI SHOHEI (JP)
HAYASHI JIRO (JP)
HAYASHI JIRO (JP)
Application Number:
PCT/JP2023/029968
Publication Date:
March 07, 2024
Filing Date:
August 21, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02M7/48; B64D27/24; B64D33/08; H02K9/19; H02K11/33; H02P25/16; H02P27/06
Domestic Patent References:
| WO2021246216A1 | 2021-12-09 |
Foreign References:
| JP2010148272A | 2010-07-01 | |||
| JP2022101830A | 2022-07-07 | |||
| JP2012075217A | 2012-04-12 | |||
| JP2017229134A | 2017-12-28 | |||
| US20210276707A1 | 2021-09-09 |
Attorney, Agent or Firm:
YAHAGI Kazuyuki et al. (JP)
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