Traction battery circuit interrupter assembly and interruption method

Patent metadata

Field	Value
Publication number	US-12090866-B2
Application number	US-202117498120-A
Country	US
Kind code	B2
Filing date	Oct 11, 2021
Priority date	Oct 11, 2021
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

A traction battery assembly according to an exemplary aspect of the present disclosure includes a traction battery, an electric machine, an electrical harness assembly, a protrusion adjacent the electrical harness assembly. The protrusion is configured to move from a first position to a second position in response to a loading event. When the protrusion is in the first position, the electric machine is electrically coupled to the traction battery through the electrical harness assembly. When the protrusion is in the second position, the electric machine is electrically decoupled from the traction battery.

First claim

What is claimed is:

1. A traction battery assembly, comprising:
a traction battery;
an electric machine, the electric machine a traction motor of an electrified vehicle;
an electrical harness assembly; and
a protrusion adjacent the electrical harness assembly, the protrusion configured to move from a first position to a second position in response to a loading event,
when the protrusion is in the first position, the protrusion is spaced a distance from the electrical harness assembly, and the electric machine is electrically coupled to the traction battery through the electrical harness assembly,
when the protrusion is in the second position, the electric machine is electrically decoupled from the traction battery.

2. The traction battery assembly of claim 1 , wherein the protrusion is a tab of a housing of the electric machine.

3. The traction battery assembly of claim 2 , wherein the tab is a locator.

4. The traction battery assembly of claim 2 , wherein the tab includes an aperture configured to receive a lift hook.

5. The traction battery assembly of claim 2 , wherein the housing is aluminum.

6. The traction battery assembly of claim 1 , wherein the protrusion is an extension of a vehicle frame.

7. The traction battery assembly of claim 1 , wherein the traction motor is aft the traction battery within the electrified vehicle.

8. A traction battery assembly, comprising:
a traction battery;
an electric machine, the electric machine a traction motor of an electrified vehicle;
an electrical harness assembly; and
a protrusion adjacent the electrical harness assembly, the protrusion configured to move from a first position to a second position in response to a loading event,
when the protrusion is in the first position, the electric machine is electrically coupled to the traction battery through the electrical harness assembly,
when the protrusion is in the second position, the electric machine is electrically decoupled from the traction battery,
wherein the electrical harness assembly includes a connector and a plurality of cables, wherein, when the protrusion is in the first position, the protrusion is spaced a distance from all portions of the electrical harness assembly, wherein, when the protrusion is in the second position, the protrusion directly contacts the connector, the plurality of cables, or both.

9. The traction battery assembly of claim 8 , wherein, when the protrusion is in the second position, the protrusion directly contacts an interface between the connector and the plurality of cables.

10. The traction battery assembly of claim 8 , wherein the plurality of cables are electrically decoupled from the connector when the protrusion is in the second position.

11. The traction battery assembly of claim 8 , wherein moving the protrusion to the second position cantilevers the connector.

12. The traction battery assembly of claim 8 , wherein the connector is a High-Voltage Interlock Loop connector.

13. The traction battery assembly of claim 8 , wherein the connector is a ninety-degree connector.

14. A traction battery circuit interruption method, comprising:
electrically coupling an electric machine to a traction battery using an electrical harness assembly, the electric machine a traction motor of an electrified vehicle; and
in response to a loading event, moving a protrusion from a first position to a second position,
when the protrusion is in the first position, the electric machine is electrically coupled to the traction battery through the electrical harness assembly, wherein the protrusion is spaced from a connector of the electrical harness assembly when the protrusion is in the first position,
when the protrusion is in the second position, the electric machine is electrically decoupled from the traction battery, wherein the protrusion directly contacts the connector when the protrusion is in the second position.

15. The traction battery circuit interruption method of claim 14 , wherein the protrusion is an extension of a housing of the electric machine.

16. The traction battery circuit interruption method of claim 14 , wherein moving the protrusion from the first position to the second position cantilevers a connector of the electrical harness assembly to decouple the electrical harness assembly from the traction battery.

17. The traction battery circuit interruption method of claim 14 , further comprising using the protrusion as a lift-aid.

18. The traction battery circuit interruption method of claim 14 , further comprising using the protrusion as a locator during assembly of the electric machine.

Assignees

• Ford Global Tech Llc

Inventors

• Janarthanam Suriyaprakash Ayyangar
• Marshall John
• Pachore Vijay
• Smith Micah
• Bishop Brian D

Classifications

• B60R16/0207

  Wire harnesses · CPC title

• H01R2201/26

  for vehicles · CPC title

• B60L50/51

  characterised by AC-motors · CPC title

• H01R13/62933

  Comprising exclusively pivoting lever · CPC title

• B60L2220/10

  Electrical machine types · CPC title