(19)

(11)

EP 0 124 592 A1

(12)

(43) Date of publication: 14.11.1984 Bulletin 1984/46 (21) Application number: 83903738.0 (22) Date of filing: 28.10.1983

(51) International Patent Classification (IPC):  F01C 1/ 10( . ) F04C 2/ 10( . ) (86) International application number: PCT/US1983/001683 (87) International publication number: WO 1984/001800 (10.05.1984 Gazette 1984/12)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 01.11.1982 US 19820438419 (71) Applicant: W.H. NICHOLS COMPANY Lexington, MA 02173 (US)	(72) Inventor: MIDDLEKAUFF, Carle, A. Cumberland, ME 04021 (US) (74) Representative: Holdcroft, James Gerald, Dr., et al  Graham Watt & Co., Riverhead Sevenoaks, Kent TN13 2BN Sevenoaks, Kent TN13 2BN (GB)