Drive system for regulating devices in motor vehicles
US7354370B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2004 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Jan 22, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/55
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drive system for regulating devices in motor vehicles comprising a housing containing a drive element of the regulating device, a disk armature motor provided with an armature disk, and a planet wheel transmission. The planet wheel transmission comprises an internal geared wheel fixed to the housing and provided with an internal gear, an output internal geared wheel connected to the drive element of the regulating device and provided with an internal gear, and a radially flexible ring, the external gear thereof partially meshing with the inner gears of the internal geared wheel fixed to the housing and of the output internal geared wheel, and the inner envelope surface thereof rolling on rollers arranged on a drive hub connected to the armature disk. A journal pertaining to the output internal geared wheel is centred between the fixed drive axle and a cylinder of the drive hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.