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(11)

EP 0 282 478 A1

(12)

(43) Date of publication: 21.09.1988 Bulletin 1988/38 (21) Application number: 86905751.0 (22) Date of filing: 10.09.1986

(51) International Patent Classification (IPC):  F04B 1/ 04( . ) F04B 1/ 29( . ) (86) International application number: PCT/DK1986/000103 (87) International publication number: WO 1988/002070 (24.03.1988 Gazette 1988/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: Westergaard, Knud Erik DK-9560 Hadsund (DK)	(72) Inventor: SORENSEN, Anton DK-9000 Aalborg (DK) (74) Representative: Dipl.-Phys.Dr. Manitz Dipl.-Ing. Finsterwald Dipl.-Ing. Grämkow Dipl.-Chem.Dr. Heyn Dipl.-Phys. Rotermund Morgan, B.Sc.(Phys)  Postfach 22 16 11 D-80506 München D-80506 München (DE)