(19)

(11)

EP 0 980 501 A2

(12)

(88) Date of publication A3: 25.03.1999 (43) Date of publication: 23.02.2000 Bulletin 2000/08 (21) Application number: 98922165.0 (22) Date of filing: 08.05.1998

(51) International Patent Classification (IPC)7: F25B 17/08, F02G 1/043, F25B 21/00, H01M 8/04, F04B 17/00, E03B 3/28 (86) International application number: PCT/US9809/478 (87) International publication number: WO 9850/739 (12.11.1998 Gazette 1998/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.05.1997 US 852942 20.04.1998 US 82638 P (71) Applicants: Zornes, David A. Redmond, WA 98053 (US) Bauer, John J., Jr. North Bend, WA 98045 (US)	(72) Inventors: Zornes, David A. Redmond, WA 98053 (US) Bauer, John J., Jr. North Bend, WA 98045 (US) (74) Representative: Hoarton, Lloyd Douglas Charles  Forrester & Boehmert,Franz-Joseph-Strasse 38 80801 München 80801 München (DE)