Electrical grounding and structural device for dissimilar metal components

Patent metadata

Field	Value
Publication number	US-9083089-B2
Application number	US-201313937308-A
Country	US
Kind code	B2
Filing date	Jul 9, 2013
Priority date	Jul 9, 2013
Publication date	Jul 14, 2015
Grant date	Jul 14, 2015

Abstract

In one exemplary embodiment of the invention, an electrical grounding device for dissimilar metals is provided. The device includes a body comprising adjacent first and second plate portions, the body including a first surface formed from a first metal and an opposite second surface formed from a second metal. The first plate portion is folded onto the second plate portion such that a portion of the first surface of the first plate portion contacts a portion of the first surface of the second plate portion. The first surface of the first plate portion is configured to couple to a first component formed from the first metal and the second surface of the second plate portion is configured to couple to a second component formed from the second metal, the body electrically coupling the first component and the second component to facilitate electrically connecting the first and second components.

First claim

What is claimed is:

1. An electrical grounding device for dissimilar metals, the device comprising:
a body comprising adjacent first and second plate portions, the body including a first surface formed from a first metal and an opposite second surface formed from a second metal, wherein the first plate portion is folded onto the second plate portion such that a portion of the first surface of the first plate portion contacts a portion of the first surface of the second plate portion, and wherein the first surface of the first plate portion is configured to couple to a first component formed from the first metal and the second surface of the second plate portion is configured to couple to a second component formed from the second metal, the body electrically coupling the first component and the second component to facilitate electrically connecting the first and second components.

2. The device of claim 1 , wherein the first metal is aluminum and the second metal is steel.

3. The device of claim 1 , wherein the portion of the first portion folded onto the second portion is spot welded thereto.

4. The device of claim 1 , wherein the body first surface and the body second surface are clad to each other.

5. The device of claim 1 , wherein the first plate portion comprises a first end and an opposite second end, and the second plate portion comprises a first end and an opposite second end, wherein the first plate portion and the second plate portion are staggered such that the first plate portion second end is adjacent the second plate portion first end.

6. The device of claim 1 , wherein the body further comprises a folding portion oriented between the adjacent first and second plate portions.

7. The device of claim 1 , wherein a width of the second plate portion is larger than a width of the first plate portion.

8. A vehicle comprising:
a first vehicle component fabricated from a first metal;
a second vehicle component fabricated from a second metal; and
a coupling device comprising:
a body comprising adjacent first and second plate portions, the body including a first surface formed from the first metal and an opposite second surface formed from the second metal, wherein the first plate portion is folded onto the second plate portion such that a portion of the first surface of the first plate portion contacts a portion of the first surface of the second plate portion, and wherein the first surface of the first plate portion is coupled to the first vehicle component and the second surface of the second plate portion is coupled to the second vehicle component, the body coupling the first and second vehicle components.

9. The vehicle of claim 8 , wherein the first metal is aluminum and the second metal is steel.

10. The vehicle of claim 8 , wherein the portion of the first portion folded onto the second portion is spot welded thereto.

11. The vehicle of claim 8 , wherein the body first surface and the body second surface are clad to each other.

12. The vehicle of claim 8 , wherein the first plate portion comprises a first end and an opposite second end, and the second plate portion comprises a first end and an opposite second end, wherein the first plate portion and the second plate portion are staggered such that the first plate portion second end is adjacent the second plate portion first end.

13. The vehicle of claim 8 , wherein the body further comprises a folding portion oriented between the adjacent first and second plate portions.

14. The vehicle of claim 8 , wherein a width of the second plate portion is larger than a width of the first plate portion.

15. The vehicle of claim 8 , wherein the first plate portion and the second plate portion are resistance welded to the first and second vehicle components, respectively.

16. The vehicle of claim 8 , further comprising an electrical component electrically coupled to the first vehicle component, wherein the body electrically couples the first and second vehicle components to ground the electrical component.

17. The vehicle of claim 8 , wherein the first vehicle component is a vehicle roof and the second vehicle component is a roof support pillar.

18. A method of manufacturing an electrical grounding device for dissimilar metals, the method comprising:
providing a body having a first surface formed from a first metal and an opposite second surface formed from a second metal;
forming the body to include adjacent first and second plate portions; and
folding the first plate portion onto the second plate portion such that a portion of the first surface of the first plate portion contacts a portion of the first surface of the second plate portion, wherein the first surface of the first plate portion is configured to couple to a first component formed from the first metal, and the second surface of the second plate portion is configured to couple to a second component formed from the second metal, the body electrically coupling the first and second components.

19. The method of claim 18 , wherein the providing a body comprises cladding a first metal layer to a second metal layer to form a body having a first surface formed from the first metal layer and an opposite second surface formed from the second metal layer.

20. The method of claim 18 , further comprising resistance welding a first portion of the first surface of the first plate portion to a first vehicle component and resistance welding a portion of the second surface of the second plate portion to a second vehicle component.

Assignees

• Gm Global Tech Operations Inc

Inventors

• Petrucci David R
• Singh Harpal
• Seyerle Donald R
• Schumacher William A
• Meli Louis

Classifications

• Y10T29/49218

  with deforming · CPC title

• H01R4/029 Primary

  Welded connections (H01R4/021 - H01R4/028 take precedence) · CPC title

• H01B1/02

  mainly consisting of metals or alloys · CPC title

• H01R43/16

  for manufacturing contact members, e.g. by punching and by bending · CPC title

• H01R43/04

  for forming connections by deformation, e.g. crimping tool · CPC title