Elevator linear propulsion system with cooling device
US11001477B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2016 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Apr 19, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/225
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elevator system includes an elevator car constructed and arranged to travel in a hoistway. A linear propulsion system of the elevator system is configured to impart a force upon the elevator car to control movement of the car. The linear propulsion system includes a secondary portion mounted to the elevator car and having a plurality of magnets. A first primary portion of the linear propulsion system includes a mounting assembly, a plurality of coils engaged to the mounting assembly, and a first cooling device including at least one conduit projecting outward from the mounting assembly and into the hoistway for transferring heat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.