EP 0369268 A3 19900829 - IMPELLER FOR TURBO MACHINES

Title (en)

IMPELLER FOR TURBO MACHINES

Publication

EP 0369268 A3 19900829 (DE)

Application

EP 89120438 A 19891104

Priority

DE 3839190 A 19881118

Abstract (en)

[origin: EP0369268A2] The invention relates to an impeller composed of a plurality of individual parts, the blades (10) of which impeller are fixed directly in the end face region (5) of an impeller boss (4) with the aid of an annular element (19) or of annular element parts (11) attached to the individual blades (10) (Fig. 1). <IMAGE>

IPC 1-7

F04D 29/22; F01D 5/04

IPC 8 full level

F01D 5/02 (2006.01); F01D 5/04 (2006.01); F04D 29/22 (2006.01); F04D 29/28 (2006.01)

CPC (source: EP)

F01D 5/025 (2013.01); F04D 29/2222 (2013.01); F04D 29/28 (2013.01); F05D 2230/54 (2013.01)

Citation (search report)

[A] US 4720242 A 19880119 - LOVISETTO PRIMO [IT]
[A] WO 8606799 A1 19861120 - KLEIN SCHANZLIN & BECKER AG [DE], et al
[A] US 2882829 A 19590421 - WADE JOHN B

Designated contracting state (EPC)

AT BE CH ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0369268 A2 19900523; EP 0369268 A3 19900829; EP 0369268 B1 19930120; AT E84852 T1 19930215; DE 3839190 C1 19900419

DOCDB simple family (application)

EP 89120438 A 19891104; AT 89120438 T 19891104; DE 3839190 A 19881118