(19)

(11)

EP 0 511 958 A1

(12)

(43) Date of publication: 11.11.1992 Bulletin 1992/46 (21) Application number: 90912062.0 (22) Date of filing: 18.07.1990

(51) International Patent Classification (IPC):  F01D 5/ 28( . ) F01D 5/ 30( . ) (86) International application number: PCT/US1990/004032 (87) International publication number: WO 1991/001433 (07.02.1991 Gazette 1991/04)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 25.07.1989 US 19890385598 (71) Applicant: ALLIED-SIGNAL INC. (a Delaware corp.) Morristown, New Jersey 07962-2245 (US)	(72) Inventors: Borns, Frederick Chandler, AZ 85226 (US) Bixler, Barry S. Tempe, AZ 85282 (US) (74) Representative: Poidatz, Emmanuel  Conseil en Brevets d'Invention 96, Boulevard Malesherbes F-75017 Paris F-75017 Paris (FR)