Battery pack cover system

• US 10,109,823 B2
• Filed: 09/19/2016
• Issued: 10/23/2018
• Est. Priority Date: 09/19/2016
• Status: Active Grant

• Current Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Original Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Inventors: Haag, Jeffrey Matthew, Dunlap, Brock, White, Joseph Todd, Benedict, Scott
• Primary Examiner(s): Walls, Cynthia K
• Application Number:
  US15/268,852
• Publication Number:
  US 20180083231A1
• Time in Patent Office: 764 Days
• CPC Class Codes: H01M 2010/4271 Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
• CPC Class Codes: H01M 2220/20 Batteries in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H01M 50/103 prismatic or rectangular H01M50/109, H01M50/11 take precedence
• CPC Class Codes: H01M 50/209 adapted for prismatic or rectangular cells H01M50/216 takes precedence
• CPC Class Codes: H01M 50/262 with fastening means, e.g. locks
• CPC Class Codes: H01M 50/276 Inorganic material
• CPC Class Codes: H01M 50/278 Organic material

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.

Claims

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.

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.

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.

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.

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.