Global Patent Index - EP 2676043 A1

EP 2676043 A1 20131225 - BEARING ARRANGEMENT FOR RAPIDLY ROTATING SHAFTS OF VACUUM PUMPS

Title (en)

BEARING ARRANGEMENT FOR RAPIDLY ROTATING SHAFTS OF VACUUM PUMPS

Title (de)

LAGERANORDNUNG FÜR SCHNELL DREHENDE WELLEN VON VAKUUMPUMPEN

Title (fr)

ENSEMBLE PALIER POUR ARBRES À ROTATION RAPIDE DE POMPES À VIDE

Publication

EP 2676043 A1 20131225 (DE)

Application

EP 12704041 A 20120209

Priority

  • DE 202011002794 U 20110216
  • EP 2012052164 W 20120209

Abstract (en)

[origin: WO2012110384A1] Bearing arrangement for rapidly rotating shafts of vacuum pumps, in particular turbomolecular pumps, having two bearing elements (12) which mount the shaft (10). At least one of the two bearing elements (12) has a bearing (16) having a bearing outer ring (20) which surrounds the rolling bodies (22). A damping element (32) is arranged between a pump housing (14) and the bearing outer ring (20). Furthermore, a holding element (28) which fixes the at least one damping element (32) is connected to the pump housing (14).

IPC 8 full level

F16C 27/06 (2006.01); F04D 19/04 (2006.01); F04D 29/059 (2006.01); F04D 29/66 (2006.01); F16C 35/077 (2006.01)

CPC (source: EP)

F04D 19/042 (2013.01); F04D 29/059 (2013.01); F04D 29/668 (2013.01); F16C 27/066 (2013.01); F16C 35/077 (2013.01); F16C 19/06 (2013.01); F16C 2360/45 (2013.01)

Citation (search report)

See references of WO 2012110384A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 202011002794 U1 20120606; CN 103370553 A 20131023; EP 2676043 A1 20131225; JP 2014506981 A 20140320; WO 2012110384 A1 20120823

DOCDB simple family (application)

DE 202011002794 U 20110216; CN 201280009320 A 20120209; EP 12704041 A 20120209; EP 2012052164 W 20120209; JP 2013553873 A 20120209