Global Patent Index - EP 2920806 B1

EP 2920806 B1 20181010 - BEARING UNIT FOR ROTARY ANODES OF X-RAY TUBES

Title (en)

BEARING UNIT FOR ROTARY ANODES OF X-RAY TUBES

Title (de)

LAGEREINHEIT FÜR DREHANODEN VON RÖNTGENRÖHREN

Title (fr)

UNITÉ PALIER POUR ANODES TOURNANTES DE TUBES À RAYONS X

Publication

EP 2920806 B1 20181010 (DE)

Application

EP 13823927 A 20131119

Priority

  • DE 202012104447 U 20121119
  • DE 2013100390 W 20131119

Abstract (en)

[origin: WO2014075664A1] The invention relates to a bearing unit (1) for rotary anodes of x-ray tubes, comprising a shaft (2) and a flange element (3) to which a rotary anode can be attached, wherein: the bearing unit (1) can be inserted into a cutout within the x-ray tube and locked in place; the shaft (2) is mounted via a first bearing element (4) and a further bearing element (5); the first bearing element (4) and the further bearing element (5) each consists of an angular ball bearing (6, 9) mounted on the shaft (2) and having an inner ring (7, 10) and an outer ring (8, 11); and at least one spacer element (12, 13) is mounted between the inner rings (7, 10) and/or the outer rings (8, 11) of the first and the second bearing element (4, 5).

IPC 8 full level

H01J 35/10 (2006.01)

CPC (source: CN EP US)

H01J 35/101 (2013.01 - CN EP US); H01J 2235/102 (2013.01 - CN EP US); H01J 2235/1046 (2013.01 - US); H01J 2235/1053 (2013.01 - CN EP US)

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 202013105226 U1 20140221; CN 104781904 A 20150715; EP 2920806 A1 20150923; EP 2920806 B1 20181010; ES 2703544 T3 20190311; JP 2016504537 A 20160212; US 2016155599 A1 20160602; US 9520261 B2 20161213; WO 2014075664 A1 20140522

DOCDB simple family (application)

DE 202013105226 U 20131119; CN 201380059832 A 20131119; DE 2013100390 W 20131119; EP 13823927 A 20131119; ES 13823927 T 20131119; JP 2015542163 A 20131119; US 201314442444 A 20131119