(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