(19)
(11) EP 2 729 762 A1

(12)

(43) Date of publication:
14.05.2014 Bulletin 2014/20

(21) Application number: 12737513.7

(22) Date of filing: 05.07.2012
(51) International Patent Classification (IPC): 
G01B 11/27(2006.01)
(86) International application number:
PCT/EP2012/063132
(87) International publication number:
WO 2013/004780 (10.01.2013 Gazette 2013/02)
(84) Designated Contracting States:
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

(30) Priority: 05.07.2011 US 201161504500 P

(71) Applicant: Aktiebolaget SKF
41 550 Göteborg (SE)

(72) Inventors:
  • VIETSCH, Karl
    NL-3079 ZV Rotterdam (NL)
  • TODD, Allan
    Edinburgh Lothian EH12 5RF (GB)

(74) Representative: Burö, Sven Peter et al
Kelvinbaan 16
3439MT Nieuwegein
3439MT Nieuwegein (NL)

   


(54) BACKLASH MEASUREMENT AND COMPENSATION TO INCREASE THE ACCURACY OF LASER SHAFT ALIGNMENT