Battery vent system
AssigneeProterra Powered LLC
InventorsDuybao DAO, Nicholas H. HERRON, Derek R. PAUL
Life of this patent
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Abstract
A vent system is disclosed that is positionable in an outer wall of a battery pack. The vent system can include a carrier plate, an annular ring extended from the carrier plate, a valve disposed in a lumen of the annular ring, and a plurality of spokes extending from the annular ring toward a central axis of the annular ring, the plurality of spokes configured to melt during thermal runaway and expose a hole of the outer wall of the battery pack.
Claims20
A vent system positionable in an outer wall of a battery pack, comprising:
- a carrier plate,
- an annular ring extended from the carrier plate,
- a valve disposed in a lumen of the annular ring, and
- a plurality of spokes extending from the annular ring toward a central axis of the annular ring, the plurality of spokes configured to melt during thermal runaway and expose a hole of the outer wall of the battery pack.
A battery pack, comprising:
- an outer housing including a plurality of walls;
- a vent system disposed in at least one of the plurality of walls,
- wherein the vent system includes:
- a carrier plate,
- an annular ring extended from the carrier plate,
- a valve disposed in a lumen of the annular ring, and
- a plurality of spokes extending from the annular ring toward a central axis, the plurality of spokes configured to melt during thermal runaway and expose a hole of the outer wall of the battery pack.
A vent system for a battery, comprising:
- a carrier plate;
- an annular ring extended from the carrier plate;
- a valve disposed in a lumen of the annular ring;
- a cover including at least one through hole extended through an upper surface of the cover and attached to the carrier plate;
- and
- a disk between the cover and the valve, the disk being compressible against the valve causing the valve to press against the lumen of the annular ring.
Dependencies are inferred from the claim text.