IP Library › Granted Patent US 12,103,372
Granted Patent B2
US 12,103,372 · App. 17/694,690 · Granted Oct 1, 2024

Drive device and vehicle

Inventors: Yuki Ishikawa (Kyoto, JP); Hitoshi Kuroyanagi (Kyoto, JP)
Assignee: NIDEC CORPORATION
B60K1/00H02K9/19B60K2001/001B60K2001/006
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Quick Facts
Patent No.
US 12,103,372
App. No.
17/694,690
Granted
Oct 1, 2024
Kind
B2
Abstract

In a drive device, a housing includes a motor accommodation portion for accommodating a motor and an inverter accommodation portion for accommodating an inverter unit, the motor accommodation portion includes a tubular portion of a tubular shape extending in a first direction, the inverter accommodation portion includes a peripheral wall portion surrounding the inverter accommodation portion when viewed from a second direction and a plate portion extending from the tubular portion along one side in a direction perpendicular to the first direction and intersecting the second direction and continuous with the peripheral wall portion, and at least one of the pump and the oil cooler is fixed to the plate portion.

Claims (18)

1. A drive device comprising:

a motor that includes a rotor having a motor shaft rotatable about a rotation axis extending along a first direction, and a stator located radially outward of the rotor;

an inverter unit that supplies drive power to the motor;

a housing that accommodates the motor and the inverter unit;

a pump that supplies oil accommodated in the housing to the motor, and

an oil cooler that cools the oil,

wherein

the housing includes a motor accommodation portion that accommodates the motor and an inverter accommodation portion that accommodates the inverter unit,

the motor accommodation portion includes a tubular portion of a tubular shape extending in the first direction,

the inverter accommodation portion includes a peripheral wall portion surrounding the inverter accommodation portion when viewed from a second direction perpendicular to the first direction, and a plate portion extending from the tubular portion along one side in a direction perpendicular to the first direction and intersecting the second direction and continuous with the peripheral wall portion, and

at least one of the pump and the oil cooler is fixed to the plate portion.

2. The drive device according to claim 1 , comprising:

a gear portion that is connected to an end portion on one side of the motor shaft in the first direction, wherein

the housing includes a gear accommodation portion that accommodates the gear portion, and

the gear portion has a drive shaft connected to a wheel, the pump and the oil cooler are disposed at positions different from the drive shaft when viewed from the second direction, and the pump and the oil cooler and the drive shaft are disposed along a third direction perpendicular to the first direction and the second direction.

3. The drive device according to claim 1 , wherein the drive shaft is located between the pump and the oil cooler and the tubular portion in the third direction.

4. The drive device according to claim 1 , wherein the pump and the oil cooler are located between the drive shaft and the tubular portion in the third direction.

5. A vehicle comprising a drive device according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 15, 2022
From: ISHIKAWA, YUKI; KUROYANAGI, HITOSHI
To: NIDEC CORPORATION
Reel/Frame 059261/0688 →
Priority Claims (1)
JP 2021-052276 · Mar 25, 2021 · national
Continuity (1)
Related Publication 20220305892A1 · Sep 29, 2022