IP Library Granted Patent US 11,486,484
Granted Patent B2
US 11,486,484 · App. 16/655,344 · Granted Nov 1, 2022

Motor assembly

Inventors: Shuhei Nakamatsu (Kyoto, JP); Keisuke Fukunaga (Kyoto, JP); Naohiro Wada (Kyoto, JP); Masumi Mizutani (Zama, JP)
Assignees: NIDEC CORPORATION; NIDEC TOSOK CORPORATION
F16H57/03B60K1/00B60K17/04F01M1/02F16H57/0441F16H57/0476H02K5/225H02K7/006H02K9/19H02P27/04B60K2001/001F01M2001/0215F16H2057/02052
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Quick Facts
Patent No.
US 11,486,484
App. No.
16/655,344
Granted
Nov 1, 2022
Kind
B2
Abstract

A motor assembly includes a motor, a housing that accommodates the motor, an inverter electrically connected to the motor, an inverter case that accommodates the inverter, an auxiliary device provided in a lower portion of the housing to oppose a road surface, a wire harness that includes a first connector connected to a connector provided in the inverter case, a second connector connected to a connector provided in the auxiliary device, and an electric wire connecting the first connector and the second connector, and a lower connector cover provided in the lower portion of the housing and covering the second connector from a lower side.

Claims (39)

1. A motor assembly comprising:

a motor;

a housing that accommodates the motor;

an inverter electrically connected to the motor;

an inverter case that accommodates the inverter;

an auxiliary device provided in a lower portion of the housing so as to oppose a road surface;

a wire harness that includes a first connector connected to a connector provided in the inverter case, a second connector connected to a connector provided in the auxiliary device, and an electric wire connecting the first connector and the second connector; and

a lower connector cover provided in the lower portion of the housing and covering the second connector from a lower side.

2. The motor assembly according to claim 1 , wherein the auxiliary device is an oil pump.

3. The motor assembly according to claim 2 , further comprising:

a cooling water hose connected to a hose nipple provided in the inverter case and to a hose nipple of the housing; wherein

the lower connector cover covers the second connector and the hose nipple of the housing from the lower side.

4. The motor assembly according to claim 3 , wherein

the oil pump includes a heat sink that cools an internal component of the oil pump; and

the heat sink is located outside the lower connector cover.

5. The motor assembly according to claim 4 , further comprising:

a side connector cover that covers the first connector from a lateral side.

6. The motor assembly according to claim 5 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

7. The motor assembly according to claim 3 , further comprising:

a side connector cover that covers the first connector from a lateral side.

8. The motor assembly according to claim 3 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

9. The motor assembly according to claim 2 , wherein

the oil pump includes a heat sink that cools an internal component of the oil pump; and

the heat sink is located outside the lower connector cover.

10. The motor assembly according to claim 9 , further comprising:

a side connector cover that covers the first connector from a lateral side.

11. The motor assembly according to claim 9 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

12. The motor assembly according to claim 2 , further comprising:

a side connector cover that covers the first connector from a lateral side.

13. The motor assembly according to claim 2 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

14. The motor assembly according to claim 1 , further comprising:

a cooling water hose connected to a hose nipple provided in the inverter case and to a hose nipple of the housing; wherein

the lower connector cover covers the second connector and the hose nipple of the housing from the lower side.

15. The motor assembly according to claim 14 , further comprising:

a side connector cover that covers the first connector from a lateral side.

16. The motor assembly according to claim 14 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

17. The motor assembly according to claim 1 , further comprising:

a side connector cover that covers the first connector from a lateral side.

18. The motor assembly according to claim 1 , wherein the inverter case is provided integrally with the housing that accommodates the motor.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 17, 2019
From: NAKAMATSU, SHUHEI; FUKUNAGA, KEISUKE; WADA, NAOHIRO; MIZUTANI, MASUMI
To: NIDEC CORPORATION; NIDEC TOSOK CORPORATION
Reel/Frame 050749/0446 →
Priority Claims (2)
JP JP2018-198507 · Oct 22, 2018 · national
JP JP2019-001240 · Jan 8, 2019 · national
Continuity (1)
Related Publication 20200127527A1 · Apr 23, 2020