(19)
(11) EP 3 414 580 A1

(12)

(43) Date of publication:
19.12.2018 Bulletin 2018/51

(21) Application number: 17701902.3

(22) Date of filing: 31.01.2017
(51) International Patent Classification (IPC): 
G01R 31/08(2006.01)
 B66B 7/12(2006.01)
(86) International application number:
PCT/EP2017/052064
(87) International publication number:
WO 2017/137282 (17.08.2017 Gazette 2017/33)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 11.02.2016 EP 16155357
11.02.2016 EP 16155358

(71) Applicant: Inventio AG
6052 Hergiswil (CH)

(72) Inventors:
  • DOLD, Florian
    5620 Bremgarten (CH)
  • HENNEAU, Philippe
    8005 Zürich (CH)

   


(54) METHOD AND DEVICE FOR DETECTING A DETERIORATION STATE IN A SUSPENSION MEMBER ARRANGEMENT FOR AN ELEVATOR BASED ON AC VOLTAGE MEASUREMENTS WITH SUSPENSION MEMBERS BEING ELECTRICALLY SHORT-CIRCUITED AT THEIR DISTAL ENDS