(19)
(11) EP 1 314 215 A2

(12)

(88) Date of publication A3:
27.02.2003

(43) Date of publication:
28.05.2003 Bulletin 2003/22

(21) Application number: 01951261.5

(22) Date of filing: 03.07.2001
(51) International Patent Classification (IPC)7H01M 8/00
(86) International application number:
PCT/CA0100/966
(87) International publication number:
WO 0200/9216 (31.01.2002 Gazette 2002/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 19.07.2000 CA 619200

(71) Applicant: BALLARD POWER SYSTEMS INC.
Burnaby,British Columbia V5J 5J9 (CA)

(72) Inventors:
  • BAILEY, Ross, W., J.
    Vancouver, British Columbia V6K 2L7 (CA)
  • HILL, Graham, E.
    Vancouver, British Columbia V6T 1B2 (CA)

(74) Representative: Beyer, Andreas, Dr. 
Wuesthoff & Wuesthoff,Patent- und Rechtsanwälte,Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) METHOD AND APPARATUS FOR MEASURING DISPLACEMENT OF A FUEL CELL STACK DURING ASSEMBLY