Global Patent Index - EP 1319805 A1

EP 1319805 A1 2003-06-18 - Rotor or rotor element for turbocompressors

Title (en)

Rotor or rotor element for turbocompressors

Title (de)

Rotor oder Rototelement für Turbokompressoren

Title (fr)

Rotor ou élément rotorique pour turbocompresseur

Publication

EP 1319805 A1 (FR)

Application

EP 01870278 A

Priority

EP 01870278 A

Abstract (en)

The turbocharger rotor comprises the support for a stage (3,3') comprising a series of movable blades (70,70') in which there is a groove for the engagement of the feet (80,80') of the blades. The blades do not have any plate extending perpendicularly to them. The rotor comprises individual crown wheels (20,21,22) having half sections (110,110') in their lateral periphery which during juxtaposition of the crown wheels make the complete groove.

Abstract (fr)

La présente invention se rapporte à un rotor (100) ou élément rotorique pour turbocompresseur, constituant la virole rotative interne d'au moins un étage rotorique (3,3') comprenant une série d'aubes mobiles (70,71,72,...;70',71' ,72',...), dans lequel est prévue au moins une gorge (10,10') pour permettre un engagement des pieds (80,81,82,...;80',81',82',...) d'une série d'aubes mobiles, caractérisé en ce que lesdites aubes mobiles (70,71,72,...;70',71',72',...) ne présentent pas de plaque ou platine s'étendant essentiellement perpendiculairement à ladite aube. <IMAGE>

IPC 1-7 (main, further and additional classification)

F01D 5/30

IPC 8 full level (invention and additional information)

F01D 5/30 (2006.01); F04D 29/32 (2006.01)

CPC (invention and additional information)

F01D 5/3053 (2013.01); F01D 5/303 (2013.01); F01D 5/3038 (2013.01); F04D 29/322 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1319805 A1 20030618; US 2003143078 A1 20030731

INPADOC legal status


2004-09-29 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20031219

2004-04-15 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2004-03-10 [AKX] PAYMENT OF DESIGNATION FEES

2003-06-18 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2003-06-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL LT LV MK RO SI