(19)

(11)

EP 1 169 606 A1

(12)

(43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00921831.4 (22) Date of filing: 07.04.2000

(51) International Patent Classification (IPC)7: F25B 37/00 (86) International application number: PCT/US0009/248 (87) International publication number: WO 0061/998 (19.10.2000 Gazette 2000/42)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.04.1999 US 128611 P (71) Applicant: PHILLIPS ENGINEERING COMPANY St. Joseph, MI 49085 (US)	(72) Inventor: PHILLIPS, Benjamin, A. Benton Harbor, MI 49022 (US) (74) Representative: Sundien, Thomas et al Hofman-Bang Zacco A/S, Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)