Global Patent Index - EP 2547912 A1

EP 2547912 A1 20130123 - ROTOR FASTENING MEANS

Title (en)

ROTOR FASTENING MEANS

Title (de)

LAUFRADBEFESTIGUNG

Title (fr)

FIXATION DE ROTOR

Publication

EP 2547912 A1 20130123 (DE)

Application

EP 11708293 A 20110316

Priority

  • DE 102010011695 A 20100317
  • EP 2011053937 W 20110316

Abstract (en)

[origin: WO2011113849A1] A rotor fastening means, in particular for the connection between a drive shaft (3) and a rotor hub (1a) of a centrifugal-pump assembly, having a fitting surface and at least one contact surface at the drive-shaft end. The drive-shaft end is provided with a central hole with internal thread. A fitting surface and at least one contact surface are formed on the rotor hub (1a). The rotor hub (1a) is provided with a central hole with internal thread. An intermediate shaft (2) is provided between the drive shaft (3) and the rotor hub (1a) in order to connect the rotor hub (1a) to the drive shaft (3), wherein a fitting surface and at least one contact surface are formed in each case at both ends of the intermediate shaft (2) for alignment, and means are provided for connecting the intermediate shaft (2) to the drive shaft (3) and the rotor hub (1a), wherein a seal is arranged on the intermediate shaft (2).

IPC 8 full level

F04D 29/20 (2006.01); F04D 29/42 (2006.01); F04D 29/58 (2006.01); F16D 1/08 (2006.01)

CPC (source: EP US)

F04D 29/20 (2013.01 - EP US); F04D 29/426 (2013.01 - EP US); F04D 29/588 (2013.01 - EP US)

Citation (search report)

See references of WO 2011113849A1

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 102010011695 A1 20110922; DE 102010011695 B4 20131219; BR 112012023237 A2 20160517; CN 102822530 A 20121212; CN 102822530 B 20160302; EP 2547912 A1 20130123; JP 2013522527 A 20130613; JP 5643348 B2 20141217; US 2013017074 A1 20130117; US 9316232 B2 20160419; WO 2011113849 A1 20110922

DOCDB simple family (application)

DE 102010011695 A 20100317; BR 112012023237 A 20110316; CN 201180013999 A 20110316; EP 11708293 A 20110316; EP 2011053937 W 20110316; JP 2012557533 A 20110316; US 201213621492 A 20120917