Battery pack cover system

Patent metadata

Field	Value
Publication number	US-10109823-B2
Application number	US-201615268852-A
Country	US
Kind code	B2
Filing date	Sep 19, 2016
Priority date	Sep 19, 2016
Publication date	Oct 23, 2018
Grant date	Oct 23, 2018

Abstract

A battery pack includes an enclosure assembly including a tray and a cover system secured relative to the tray. The cover system includes a first cover and a second cover that overlap one another. At least one of the first cover and the second cover includes a stepped design. Another battery pack includes an insert received within a tray and adapted to establish a first compartment and a second compartment within the tray. A first cover is positioned to cover the first compartment and a second cover is positioned to cover the second compartment.

First claim

What is claimed is:

1. A battery pack, comprising:
an enclosure assembly including a tray and a cover system secured relative to said tray, said cover system including a first cover and a second cover that overlap one another; and
a gasket seal located between said first cover and said second cover or a liquid seal located between one of said first cover and said second cover and a mating surface of said tray,
at least one of said first cover and said second cover includes a stepped design.

2. The battery pack as recited in claim 1 , wherein both of said first cover and said second cover include stepped designs.

3. The battery pack as recited in claim 1 , wherein said at least one of said first cover and said second cover includes a main body and a leg that extends from said main body.

4. The battery pack as recited in claim 3 , wherein said leg extends in a first plane and said main body extends in a second plane that is vertically displaced from said first plane.

5. The battery pack as recited in claim 1 , wherein said first cover includes a first leg that overlaps a second leg of said second cover.

6. A battery pack, comprising:
an enclosure assembly including a tray and a cover system secured relative to said tray, said cover system including a first cover and a second cover that overlap one another;
at least one of said first cover and said second cover includes a stepped design;
a first seal disposed between said first cover and a mating surface of said tray; and
a second seal disposed between said first cover and said second cover.

7. The battery pack as recited in claim 6 , comprising a fastener that extends through said second cover, said second seal, said first cover, and then through said first seal.

8. A battery pack, comprising:
an enclosure assembly including a tray and a cover system secured relative to said tray, said cover system including a first cover and a second cover that overlap one another; and
at least one of said first cover and said second cover includes a stepped design,
wherein each of said first cover and said second cover include a plurality of weight reducing openings.

9. The battery pack as recited in claim 1 , wherein said first cover includes a leg that extends underneath of said second cover.

10. The battery pack as recited in claim 9 , comprising a first seal positioned between said leg and a mating surface of said tray.

11. A battery pack, comprising:
an enclosure assembly including a tray and a cover system secured relative to said tray, said cover system including a first cover and a second cover that overlap one another;
at least one of said first cover and said second cover includes a stepped design;
said first cover includes a leg that extends underneath of said second cover;
a first seal is positioned between said leg and a mating surface of said tray; and
a second seal is positioned between said leg and said second cover.

12. The battery pack as recited in claim 1 , comprising a fastener that extends through each of said first cover, said second cover, and said liquid seal or said gasket seal.

Assignees

• Ford Global Tech Llc

Inventors

• Haag Jeffrey Matthew
• Dunlap Brock
• White Joseph Todd
• Benedict Scott

Classifications

• H01M50/276 Primary

  Inorganic material · CPC title

• H01M50/262

  with fastening means, e.g. locks · CPC title

• H01M50/278 Primary

  Organic material · CPC title

• H01M50/103

  prismatic or rectangular (H01M50/109, H01M50/11 take precedence) · CPC title

• H01M50/209

  adapted for prismatic or rectangular cells (H01M50/216 takes precedence) · CPC title