(19)

(11)

EP 0 276 295 A1

(12)

(43) Date of publication: 03.08.1988 Bulletin 1988/31 (21) Application number: 87905496.0 (22) Date of filing: 15.07.1987

(51) International Patent Classification (IPC):  F02N 11/ 04( . ) (86) International application number: PCT/US1987/001687 (87) International publication number: WO 1988/000653 (28.01.1988 Gazette 1988/03)

(84) Designated Contracting States: FR GB IT (30) Priority: 18.07.1986 US 19860886874 (71) Applicant: SUNDSTRAND CORPORATION Rockford, Illinois 61125 (US)	(72) Inventor: COOK, Alexander Rockford, IL 61109 (US) (74) Representative: Marshall, John Grahame, et al  SERJEANTS 25 The Crescent King Street Leicester LE1 6RX Leicester LE1 6RX (GB)