(19)

(11)

EP 0 796 196 A1

(12)

(43) Date of publication: 24.09.1997 Bulletin 1997/39 (21) Application number: 95943760.0 (22) Date of filing: 13.12.1995

(51) International Patent Classification (IPC):  B63H 25/ 46( . ) F02K 9/ 82( . ) F02K 1/ 28( . ) (86) International application number: PCT/US1995/016135 (87) International publication number: WO 1996/020867 (11.07.1996 Gazette 1996/31)

(84) Designated Contracting States: DE ES FR GB IT NL (30) Priority: 30.12.1994 US 19940366821 (71) Applicant: GRUMMAN AEROSPACE CORPORATION Bethpage, NY 11714-3580 (US)	(72) Inventor: GILBERT, Barry, L. East Northport, NY 11731 (US) (74) Representative: Schmidt-Evers, Jürgen, Dipl.-Ing.  Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 80331 München 80331 München (DE)