System and method for reducing belt noise
US10336581B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2011 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Aug 5, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD07B2501/2007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to an elevator system. The elevator system comprises a car, a counterweight, at least one belt connecting the car and counterweight, and at least one sheave having a surface that engages with the belt. At least part of the surface of the sheave that interfaces with the belt has a plurality of features for reducing unwanted noise created due to the interaction between the belt and the sheave surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.