(19)

(11)

EP 0 615 575 A1

(12)

(43) Date of publication: 21.09.1994 Bulletin 1994/38 (21) Application number: 93900902.0 (22) Date of filing: 07.12.1992

(51) International Patent Classification (IPC):  F01B 1/ 06( . ) F01B 9/ 06( . ) F02B 1/ 04( . ) F01B 9/ 04( . ) F02B 75/ 22( . ) F02B 75/ 02( . ) (86) International application number: PCT/US1992/010517 (87) International publication number: WO 1993/011342 (10.06.1993 Gazette 1993/14)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 05.12.1991 US 19910803156 (71) Applicant: ADVANCED TECHNOLOGIES MACHINE Fremont, CA 92538 (US)	(72) Inventors: DUNCALF, D., James Dublin, CA 94568 (US) JOHNSON, Robert, B. Twentynine Palms, CA 92277 (US) (74) Representative: Fiener, Josef  Patentanwälte Kahler, Käck, Fiener & Sturm P.O. Box 12 49 D-87712 Mindelheim D-87712 Mindelheim (DE)