Patent · US Active

Method and device for determining the replacement state of wear of a support means of an elevator

US9643816B2 · kind B2 · utility

0Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 2009
Grant dateMay 9, 2017
Priority date
Expiry dateApr 28, 2030

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B7/1238
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A method for determining the degree service life end of a support cable of an elevator, wherein the support cable is routed over a drive sheave and/or one or more return pulleys and connects a car to a counterweight, includes the steps of: the support cable is subdivided into a plurality of sections; and for each of the sections, a determination is made as to whether the section passes over the drive sheave and/or one or more of the return pulleys during a trip, and if this is the case, a usage level representing the degree of service life use is increased accordingly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.