(19)

(11)

EP 1 117 550 A1

(12)

(43) Date of publication: 25.07.2001 Bulletin 2001/30 (21) Application number: 99940844.6 (22) Date of filing: 04.08.1999

(51) International Patent Classification (IPC)7: B60H 1/32, F16D 27/00 (86) International application number: PCT/US9917/447 (87) International publication number: WO 0023/292 (27.04.2000 Gazette 2000/17)

(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: 07.08.1998 US 95750 P (71) Applicant: American Cooling Systems, LLC Grand Rapid, MI 49512 (US)	(72) Inventors: LINK, Larry, R. Frankfort, IL 60423 (US) FORESMAN, John, S. Grand Rapids, MI 49525 (US) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)