Nova Patents
AT298933T

Fuel cell stack

Abstract

Fuel cell stack with gaseous fuel, comprising a membrane electrode assembly (8) and a distributor plate (1) having a channel region (2) with gas channels (3) for distributing the anode or cathode gas to the membrane electrode assembly (8) and a port portion (4) for feeding the anode and cathode gas into the channel region (2), characterized in that along the gas channels (3) open additional connecting channels (6) of the port regions (4), so that by means of these connecting channels ( 6) unused anode or cathode gas from the port areas (4) is locally metered into the gas channels (3).

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

12 members in 6 offices

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
DocumentOfficeKindDate
10055253GermanyA
0104158GermanyW

Members12

Family members, oldest first
DocumentOfficeKind
CA2428317A1CanadaA1
WO0239529A2World Intellectual Property Organization (WIPO)A2
DE10055253A1GermanyA1
WO0239529A3World Intellectual Property Organization (WIPO)A3
EP1358690A2European Patent Office (EPO)A2
US2004053105A1United States of AmericaA1
DE10055253B4GermanyB4
EP1358690B1European Patent Office (EPO)B1
AT298933TThis recordAustriaT
ATE298933T1AustriaT1
DE50106658D1GermanyD1
US7335437B2United States of AmericaB2