Seal for a fuel cell, and fuel cell
AssigneesVolkswagen Aktiengesellschaft, Audi AG
InventorsIan Stewart, Darcy McGowan
Life of this patent
Estimating the term…
Abstract
A seal (34) for a fuel cell (10), which includes multiple bipolar plates (13) and at least one membrane electrode assembly (12), the seal (34) having a seal body (40) surrounding a free inner chamber (42) is provided. It is provided that at least two flow barriers (46) pointing into the inner chamber (42) are formed as a single piece with the seal body (40), the flow barriers (46) being situated at a distance from the seal body (40) by at least one connecting element (48).
Claims11
A seal for a fuel cell, the fuel cell including multiple bipolar plates and at least one membrane electrode assembly, the seal comprising:
- a seal body surrounding a free inner chamber and having a longitudinal side extending in a longitudinal direction;
- at least two flow barriers pointing into the inner chamber perpendicular to the longitudinal direction and formed as a single piece with the seal body, the flow barriers each being situated at a distance from the seal body by at least one connecting element extending perpendicularly to the longitudinal direction, the flow barriers each having a seal body side facing the longitudinal side, so that a gap is formed between seal body side and the longitudinal side.
Dependencies are inferred from the claim text.