Valve assembly for a battery cover

Patent metadata

Field	Value
Publication number	US-12294103-B2
Application number	US-202217688472-A
Country	US
Kind code	B2
Filing date	Mar 7, 2022
Priority date	Dec 22, 2016
Publication date	May 6, 2025
Grant date	May 6, 2025

Abstract

A valve assembly for a battery cover is provided. The valve assembly may advantageously allow for testing prior to installation on a battery cover. A battery is also provided.

First claim

The invention claimed is:

1. A valve assembly for a battery cover, the valve assembly comprising:
a valve cover having a base with an aperture in fluid communication with an internal chamber defined by a cylindrical projection coupled to the base;
a valve provided in the internal chamber;
a valve holder, with a holder cylindrical projection and a holder base, provided in the internal chamber; and
the holder cylindrical projection and the holder base having a side cutout.

2. The valve assembly of claim 1 , wherein the base features a circumferential depression.

3. The valve assembly of claim 2 , wherein the aperture is provided at least proximate to a center of the circumferential depression.

4. The valve assembly of claim 1 , wherein the valve assembly may be tested prior to installation on the battery cover.

5. A battery cover having the valve assembly of claim 1 .

6. A battery having the battery cover of claim 5 .

7. A battery comprising:
a housing having operable battery elements;
a battery cover on the housing having a recess sized to accept a valve assembly;
a valve assembly having a valve cover, a valve, and a valve holder;
the valve cover comprises a cylindrical projection and an aperture, with the aperture in fluid communication with an internal chamber defined by the cylindrical projection;
the valve holder, having a valve holder cylindrical projection extended from a base, with a side cutout; and
the valve holder positioned within the internal chamber.

8. The battery of claim 7 , wherein the aperture has a first radius in fluid communication with the internal chamber defined by the cylindrical projection, the cylindrical projection has a second internal radius and a third internal radius, with the first radius being smaller than the second radius, which is smaller than the third radius.

9. The battery of claim 8 , wherein the valve holder is provided in a section of the internal chamber having the third radius.

10. The battery of claim 8 , wherein a portion of the valve extends into an area in the internal chamber having the second radius.

11. The battery of claim 7 , wherein the valve is provided between the valve holder and the cylindrical projection.

12. The battery of claim 11 , wherein the valve is positioned between the valve holder and the cylindrical projection in the internal chamber in an area having a radius.

13. The battery of claim 7 , wherein the valve cover has a base with the cylindrical projection and a circumferential depression.

14. The battery of claim 13 , wherein the aperture is at least proximate to a center of the circumferential depression.

15. A valve assembly for a battery cover, the valve assembly comprising:
a valve cover having a base coupled to a cylindrical projection and having an aperture, wherein the cylindrical projection has an internal surface, the internal surface defining an internal chamber, wherein the aperture is in fluid communication with the internal chamber of the cylindrical projection;
a valve holder, comprised of a holder cylindrical projection and a valve holder base having a side cutout, provided within the cylindrical projection of the valve cover; and
a valve provided between the valve holder and valve cover, with the valve assembly being positioned for a test prior to installation on the battery cover.

16. The valve assembly of claim 15 , wherein the valve cover is in communication with the internal surface in an area of the cylindrical projection having a first radius.

17. The valve assembly of claim 15 , wherein the valve cover comprises a base, with a circumferential depression being defined by the base.

18. The valve assembly of claim 17 , wherein the valve holder base has a first side and a second side opposite the first side, with the valve holder base being coupled to a cylindrical body on the first side, and coupled to the cylindrical projection on the second side.

19. A battery cover comprising the valve assembly of claim 15 .

20. A battery comprising the battery cover of claim 19 .

Assignees

• Cps Tech Holdings Llc

Inventors

• Elison Nicholas E
• Trester Dale B
• Varatharajah Arunraj

Classifications

• H01M50/147

  Lids or covers · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title

• H01M50/30 Primary

  Arrangements for facilitating escape of gases · CPC title