Low-profile, disk-shaped drive unit for a revolving door
US10148144B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2014 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | Apr 21, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A drive unit for a revolving door with an electronically commutated multipole motor having a quantity of coil elements and a quantity of magnet elements. The multipole motor has a flat base structure and a disk-shaped or cup-shaped stator part arranged at a stationary structural component part. A disk-shaped or cup-shaped rotor part is arranged in a plane-parallel manner with respect to the stator part and can be drivingly connected to a turnstile of the revolving door. The coil elements and the magnet elements are received in an area between the stator part and the rotor part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.