(19)

(11)

EP 0 343 170 A1

(12)

(43) Date of publication: 29.11.1989 Bulletin 1989/48 (21) Application number: 88900926.0 (22) Date of filing: 14.12.1987

(51) International Patent Classification (IPC):  F23J 1/ 00( . ) (86) International application number: PCT/US1987/003415 (87) International publication number: WO 1988/005888 (11.08.1988 Gazette 1988/18)

(84) Designated Contracting States: AT FR GB IT (30) Priority: 30.01.1987 US 19870009847 (71) Applicant: WESTINGHOUSE ELECTRIC CORPORATION Pittsburgh Pennsylvania 15222 (US)	(72) Inventor: TURNER, Abner, B. Greensburg, PA 15601 (US) (74) Representative: Patentanwälte Dipl.-Ing. R. Holzer Dipl.-Ing. (FH) W. Gallo  Ludwigstrasse 26 D-86152 Augsburg D-86152 Augsburg (DE)