(19)

(11)

EP 1 287 260 A1

(12)

(43) Date of publication: 05.03.2003 Bulletin 2003/10 (21) Application number: 01941876.3 (22) Date of filing: 04.06.2001

(51) International Patent Classification (IPC)7: F04B 35/00, F04B 35/04 (86) International application number: PCT/US0118/024 (87) International publication number: WO 0109/4786 (13.12.2001 Gazette 2001/50)

(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: 08.06.2000 US 590567 (71) Applicant: Powercell Corporation Burlington, MA 01803 (US)	(72) Inventor: TOMAZIC, Gerd A-8680 Murzzuschlag (AT) (74) Representative: Ostertag, Ulrich, Dr.  PatentanwälteDr. Ulrich OstertagDr. Reinhard OstertagEibenweg 10 70597 Stuttgart 70597 Stuttgart (DE)