(19)
(11) EP 0 774 050 A1

(12)

(43) Date of publication:
21.05.1997 Bulletin 1997/21

(21) Application number: 95922886.0

(22) Date of filing: 24.05.1995
(51) International Patent Classification (IPC): 
F01D 11/ 02( . )
F04D 29/ 54( . )
F01D 11/ 08( . )
(86) International application number:
PCT/US1995/006582
(87) International publication number:
WO 1995/034745 (21.12.1995 Gazette 1996/02)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 14.06.1994 US 19940259791

(71) Applicant: UNITED TECHNOLOGIES CORPORATION
Hartford, CT 06101 (US)

(72) Inventor:
  • MAZZAWY, Robert, S.
    South Glastonbury, CT 06073 (US)

(74) Representative: Leckey, David Herbert 
Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) INTERRUPTED CIRCUMFERENTIAL GROOVE STATOR STRUCTURE