Invention Grant
- Patent Title: System and method for reducing belt noise
-
Application No.: US13980621Application Date: 2011-01-21
-
Publication No.: US10336581B2Publication Date: 2019-07-02
- Inventor: David R. Polak , Christopher T. Chipman , Charles C Coffin , Arthur Blanc , John P. Wesson , Yan Chen , Daniel G. Opoku , Sergei F. Burlatsky
- Applicant: David R. Polak , Christopher T. Chipman , Charles C Coffin , Arthur Blanc , John P. Wesson , Yan Chen , Daniel G. Opoku , Sergei F. Burlatsky
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- International Application: PCT/US2011/022035 WO 20110121
- International Announcement: WO2012/099604 WO 20120726
- Main IPC: B66B11/08
- IPC: B66B11/08 ; B66B15/04 ; F16H55/36 ; F16H57/00 ; B66B9/00 ; D07B1/22 ; D07B5/00
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.
Public/Granted literature
- US20130292211A1 System And Method For Reducing Belt Noise Public/Granted day:2013-11-07
Information query
