Safety device for a lithium electrochemical generator battery
First Claim
1. A safety device for a lithium electrochemical generator battery, comprising:
- a box configured to be placed in a compartment and configured to house a plurality of lithium electrochemical generators, said box comprising a plurality of assembled walls, an opening making it possible to introduce the electrochemical generators;
a cover configured to be arranged gas-tightly on the opening of the box, allowing the introduction of the electrochemical generators;
an opening forming a vent situated in one of the walls of the box or situated in the cover,a conduit comprising two openings where the first opening is gas-tightly connected to the opening forming a vent of the box and the second opening is gas-tightly connected to an opening of a wall of the compartment;
a covering part fixed gas-tightly at the opening of the wall of the compartment and the second opening of the conduit, and where said covering part comprises a portion adapted to tear at a threshold pressure Ps;
wherein the wall of the compartment is part of an aircraft cockpit and the threshold pressure Ps is comprised between 1 bar and 5 bar;
wherein the walls of the box, the cover, the conduit and the covering part are secured to each other so as to ensure sealing against the gases up to a pressure above the threshold pressure Ps, and where the materials of the box, the cover, the conduit and the covering part, capable of being in contact with the gases emitted by the lithium electrochemical generators, are materials dimensioned to withstand the gases emitted by said lithium electrochemical generators and withstanding at least a temperature of 150°
C.
1 Assignment
0 Petitions
Accused Products
Abstract
A safety device (1) for a lithium electrochemical generator battery, including a box (100), configured to house a plurality of lithium electrochemical generators; a cover (200) arranged gas-tightly on the opening (130) of the box; an opening (120) forming a vent situated in one of the walls of the box (100) or situated in the cover (200); a conduit (300) having two openings (311, 312) where one of the openings (311) is gas-tightly connected to the opening (120) forming a vent of the box; a covering part (400) positioned gas-tightly at an opening of a wall of the compartment and the second opening (312) of the conduit, and where said covering part comprises a portion (410) adapted to tear at a threshold pressure Ps; where the walls of the box, the cover, the conduit and the covering part are secured to each other so as to ensure sealing against the gases up to a pressure above the threshold pressure Ps.
4 Citations
15 Claims
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1. A safety device for a lithium electrochemical generator battery, comprising:
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a box configured to be placed in a compartment and configured to house a plurality of lithium electrochemical generators, said box comprising a plurality of assembled walls, an opening making it possible to introduce the electrochemical generators; a cover configured to be arranged gas-tightly on the opening of the box, allowing the introduction of the electrochemical generators; an opening forming a vent situated in one of the walls of the box or situated in the cover, a conduit comprising two openings where the first opening is gas-tightly connected to the opening forming a vent of the box and the second opening is gas-tightly connected to an opening of a wall of the compartment; a covering part fixed gas-tightly at the opening of the wall of the compartment and the second opening of the conduit, and where said covering part comprises a portion adapted to tear at a threshold pressure Ps; wherein the wall of the compartment is part of an aircraft cockpit and the threshold pressure Ps is comprised between 1 bar and 5 bar; wherein the walls of the box, the cover, the conduit and the covering part are secured to each other so as to ensure sealing against the gases up to a pressure above the threshold pressure Ps, and where the materials of the box, the cover, the conduit and the covering part, capable of being in contact with the gases emitted by the lithium electrochemical generators, are materials dimensioned to withstand the gases emitted by said lithium electrochemical generators and withstanding at least a temperature of 150°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An aircraft comprising a passenger compartment separated from the outside by a wall, in which an opening is formed opening to the outside, and a safety device for a lithium electrochemical generator battery, said safety device being positioned in the compartment and comprising:
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a box configured to be placed in the passenger compartment and configured to house a plurality of lithium electrochemical generators, said box comprising a plurality of assembled walls, an opening making it possible to introduce the electrochemical generators; a cover configured to be arranged gas-tightly on the opening of the box, allowing the introduction of the electrochemical generators; an opening forming a vent situated in one of the walls of the box or situated in the cover, a conduit comprising two openings where the first opening is gas-tightly connected to the opening forming a vent of the box and the second opening is gas-tightly connected to an opening of a wall of the compartment; and a covering part fixed gas-tightly at the opening of the wall of the compartment and the second opening of the conduit, and where said covering part comprises a portion adapted to tear at a threshold pressure Ps;
where the wall of the compartment is part of an aircraft cockpit and the threshold pressure Ps is comprised between 1 bar and 5 bar,wherein the walls of the box, the cover, the conduit and the covering part are secured to each other so as to ensure sealing against the gases up to a pressure above the threshold pressure Ps, and where the materials of the box, the cover, the conduit and the covering part, capable of being in contact with the gases emitted by the lithium electrochemical generators, are materials dimensioned to withstand the gases emitted by said lithium electrochemical generators and withstanding at least a temperature of 150°
C.
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Specification