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1. CA2548642 - ROTOR FOR A COMPRESSOR

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Aktenzeichen/Anmeldenummer 2548642
Anmeldedatum 26.11.2004
Veröffentlichungsnummer 2548642
Veröffentlichungsdatum 16.06.2005
Erteilungsnummer
Erteilungsdatum 19.04.2011
Veröffentlichungsart C
IPC
F04D 29/32
FMaschinenbau; Beleuchtung; Heizung; Waffen; Sprengen
04Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten; Arbeitsmaschinen für Flüssigkeiten oder Gase, Dämpfe
DStrömungsarbeitsmaschinen
29Einzelheiten, Bauteile oder Zubehör
26Laufräder besonders ausgebildet für Gase oder Dämpfe
32für Axiallüfter, -gebläse und -verdichter
F01D 5/30
FMaschinenbau; Beleuchtung; Heizung; Waffen; Sprengen
01Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein; Kraftanlagen allgemein; Dampfkraftmaschinen
DStrömungsmaschinen , z.B. Dampfturbinen
5Schaufeln; Schaufelträger; Heizung, Wärmedämmung, Kühlung, Schwingungsverhütung an Schaufeln
30Laufschaufelbefestigung; Schaufelfüße
CPC
F01D 5/3038
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5Blades; Blade-carrying members
30Fixing blades to rotors; Blade roots ; ; Blade spacers
3023of radial insertion type, e.g. in individual recesses
303in a circumferential slot
3038the slot having inwardly directed abutment faces on both sides
F04D 29/322
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
32for axial flow pumps
321for axial flow compressors
322Blade mountings
F05D 2250/29
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2250Geometry
20Three-dimensional
29machined; miscellaneous
F05D 2250/291
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2250Geometry
20Three-dimensional
29machined; miscellaneous
291hollowed
Anmelder ALSTOM TECHNOLOGY LTD
Prioritätsdaten 103 57 134.5 06.12.2003 DE
Titel
(EN) ROTOR FOR A COMPRESSOR
(FR) ROTOR POUR UN COMPRESSEUR
Zusammenfassung
(EN)


A rotor (20) for a compressor, in particular in a gas
turbine, has a number of rotor blades (25) which are
arranged around the rotation axis of the rotor (20) in
the form of a rim and are each held in a
circumferential recess (21) on the rotor (20) by means
of a blade root (26), with the blade root (26) having a
widening lower part (27) which engages behind two
shoulders (24) that are formed on the side walls of the
recess (21). In such a rotor, the life is lengthened in
that the recess depth (T) of the recess (21) is
considerably greater than a minimum recess depth (T min)
which results in the rotor (20) having sufficient
strength in the area of the blade attachment for
starting, based on the predetermined material
characteristics of the rotor (20) and the operating
conditions of the compressor.