IP Library Granted Patent US 8,197,958
Granted Patent B2
US 8,197,958 · App. 12/514,635 · Granted Jun 12, 2012

Electric battery comprising a mechanical and thermal conditioning system

Assignee: Dow Kokam France SAS
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Quick Facts
Patent No.
US 8,197,958
App. No.
12/514,635
Granted
Jun 12, 2012
Kind
B2
Abstract

An electric battery includes a plurality of electric energy generators and a system for mechanical and thermal conditioning of the elements, which system includes a one-piece structural body in which housings are formed in order to each receive an element, in which the housings have at least one internal area of contact with an element, and the contact area is continuous and has a shape suitable for ensuring contact between the area and the periphery of the element, in which the body also includes chambers that each extend around a contact area, and which system also includes a device enabling a thermal conditioning fluid to circulate in the chambers so as to ensure the thermal conditioning of the elements.

Claims (30)

1. An electric battery comprising:

a plurality of electric energy generating elements;

a plurality of housings respectively receiving one said elements and being in contact with a periphery of said elements;

a plurality of chambers extending around said plurality of housings; and

a plurality of capillaries extending into said plurality of chambers and operable to communicate a thermal conditioning fluid into said chambers from a fluid bed, said plurality of capillaries each including a height lower than a height of said plurality of chambers to allow said thermal conditioning fluid to be released in an upper portion of each of said plurality of chambers.

2. Electric battery including a plurality of electric energy generators and a system for mechanical and thermal conditioning of a plurality of elements, which system includes a one-piece structural body in which housings are formed, each said housing receiving one said elements, said housings having at least one internal area of contact with said one element, and said at least one internal contact area being continuous and having a shape suitable for ensuring contact between said at least one internal contact area and a periphery of said one element, said body also including chambers that each extend around said at least one internal contact area, and which system also includes a device enabling a thermal conditioning fluid to circulate in said chambers so as to ensure thermal conditioning of said elements;

wherein the chambers communicate laterally with one another, and said chambers are open at a base of the body and closed at an upper portion;

wherein the device enabling circulation of the fluid includes a fluid bed that is provided on the base of the body so as to supply the chambers with fluid;

wherein the fluid bed is formed between the body and a lower plate, which is assembled on the base of the body and said lower plate is arranged to form fluid supply channels from the fluid bed to the chambers;

wherein the lower plate also includes ascending capillaries that communicate with the fluid bed and are introduced into respective ones of said chambers so as to form a channel for supplying fluid to said chambers; and

wherein the capillaries have a thickness and a height lower than those of the chambers so as to enable the fluid to be released in the upper portions of said chambers.

3. Electric battery according to claim 2 , wherein the contact areas have a height substantially equal to that of a periphery of the one element.

4. Electric battery according to claim 2 , wherein the chambers have a height below or equal to that of the contact areas.

5. Electric battery according to claim 2 , wherein the body is made of a metal material, with a continuous insulation film being interposed between the at least one internal contact area and a periphery of the elements so as to ensure contact through said film.

6. Electric battery according to claim 5 , wherein the insulating material also has properties of adhesion between the body and the elements.

7. Electric battery according to claim 5 , wherein the elements rest on an electrical insulation ring and said ring is arranged at a base of each said housing.

8. Electric battery according to claim 2 , wherein a periphery of the capillaries is provided with flanges that are in contact with a wall of one of the chambers so as to ensure radial holding of said capillaries in said chambers.

9. Electric battery according to claim 2 , wherein the device for circulating the fluid also includes an upper plate which is interposed between the base of the body and the lower plate and wherein said upper plate is arranged so as to form a circuit for recovering the fluid from said chambers.

10. Electric battery according to claim 9 , wherein a through-hole is formed in the base of each said housing.

11. Electric battery according to claim 10 , wherein the upper and lower plates are associated with the body by means of rivets that are respectively attached to a periphery of the through-hole.

12. Electric battery according to any claim 2 , wherein the housings are open in an upper portion so as to enable elements to be introduced, and wherein openings in the housings are closed by an upper shell.

13. Electric battery according to claim 2 , wherein the housings have a cylindrical shape and a compact hexagonal arrangement.

14. Electric battery according to claim 2 , wherein the number of elements is less than or equal to the number of housings.

15. Electric battery including a plurality of electric energy generators and a system for mechanical and thermal conditioning of a plurality of elements, which system includes a one-piece structural body in which housings are formed, each said housing receiving one said elements, said housings having at least one internal area of contact with said one element, and said at least one internal contact area being continuous and having a shape suitable for ensuring contact between said at least one internal contact area and a periphery of said one element, said body also including chambers that each extend around said at least one internal contact area, and which system also includes a device enabling a thermal conditioning fluid to circulate in said chambers so as to ensure thermal conditioning of said elements;

wherein the chambers communicate laterally with one another, and said chambers are open at a base of the body and closed at an upper portion;

wherein the device enabling circulation of the fluid includes a fluid bed that is provided on the base of the body so as to supply the chambers with fluid;

wherein the fluid bed is formed between the body and a lower plate, which is assembled on the base of the body and said lower plate is arranged to form fluid supply channels from the fluid bed to the chambers;

wherein the device for circulating the fluid also includes an upper plate which is interposed between the base of the body and the lower plate and wherein said upper plate is arranged so as to form a circuit for recovering the fluid from said chambers;

wherein a through-hole is formed in the base of each said housing; and

wherein the upper and lower plates are associated with the body by means of rivets that are respectively attached to a periphery of the through-hole.

Assignments (2)
CHANGE OF NAME Recorded Jul 14, 2010
From: SOCIETE DE VEHICULES ELECTRIQUES
To: DOW KOKAM FRANCE SAS
Reel/Frame 024680/0631 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 16, 2009
From: GABEN, FABIEN; BEIGNET, CLAUDE; DOUARRE, ALAIN
To: SOCIETE DE VEHICULES ELECTRIQUES
Reel/Frame 022964/0394 →
Priority Claims (1)
FR 06 09949 · Nov 14, 2006 · national
Continuity (1)
Related Publication 20100119926A1 · May 13, 2010