(19)

(11)

EP 0 623 188 A1

(12)

(43) Date of publication: 09.11.1994 Bulletin 1994/45 (21) Application number: 93901991.0 (22) Date of filing: 12.01.1993

(51) International Patent Classification (IPC):  F01C 3/ 02( . ) (86) International application number: PCT/CA1993/000005 (87) International publication number: WO 1993/014299 (22.07.1993 Gazette 1993/18)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 21.01.1992 CA 19920059757 (71) Applicant: BELANGER, J., Robert Osgoode, Ontario K1P 5W6 (CA)	(72) Inventor: BELANGER, J., Robert Osgoode, Ontario K1P 5W6 (CA) (74) Representative: Weber, Otto Ernst, Dipl.-Phys., et al  Weber & Heim Irmgardstrasse 3 D-81479 München D-81479 München (DE)