(19)

(11)

EP 0 931 235 A1

(12)

(43) Date of publication: 28.07.1999 Bulletin 1999/30 (21) Application number: 96933329.0 (22) Date of filing: 09.10.1996

(51) International Patent Classification (IPC):  B01D 46/ 00( . ) F04B 39/ 16( . ) B01D 50/ 00( . ) F25B 43/ 02( . ) (86) International application number: PCT/DK1996/000430 (87) International publication number: WO 1998/015789 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: DE DK FR GB IT SE (71) Applicant: York International A/S 6500 Vojens (DK)	(72) Inventor: TYCHSEN, Holger DK-6500 Vojens (DK) (74) Representative: Rindorf, Hans Joergen, et al  c/o Hofman-Bang & Boutard, Lehmann &Ree A/S, Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)