(19)

(11)

EP 0 216 815 A1

(12)

(43) Date of publication: 08.04.1987 Bulletin 1987/15 (21) Application number: 86901585.0 (22) Date of filing: 05.02.1986

(51) International Patent Classification (IPC):  F02C 3/ 30( . ) F01K 21/ 04( . ) (86) International application number: PCT/US1986/000256 (87) International publication number: WO 1986/004957 (28.08.1986 Gazette 1986/19)

(84) Designated Contracting States: CH DE FR GB IT LI SE (30) Priority: 14.02.1985 US 19850701767 (71) Applicants: PATTON, John T. Las Cruces, NM 88005 (US) SHOUMAN, Ahmad R. Las Cruces, NM 88005 (US)	(72) Inventors: PATTON, John T. Las Cruces, NM 88005 (US) SHOUMAN, Ahmad R. Las Cruces, NM 88005 (US) (74) Representative: Patentanwälte Grünecker, Kinkeldey, Stockmair & Partner  Maximilianstrasse 58 D-80538 München D-80538 München (DE)