Linear motor elevator system
US5547059A · kind A · utility
17Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1994 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Dec 19, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B11/0407
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A linear motor elevator system comprising a sheave disposed in the upper portion of an elevator hoistway, a length of rope wound around the sheave, a movable member connected to said rope, a primary winding disposed only on a first side of said movable member and a secondary conductor extending within and along the hoistway in association with said primary winding to constitute a linear motor. The system may comprise a brake unit disposed on a second side of said movable member which is opposite to said first side and a guide rail disposed within said hoistway for being engaged by said brake unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.