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US 7,582,036 B2Granted
Actuating device
AssigneePierburg GmbH
InventorsAndreas Köster, Heinrich Dismon, Stefan Vitt
Life of this patent
Estimating the term…
Abstract
An actuating device including a housing that is closed by a cover in such a way that both an electric motor and a gearbox unit are completely enclosed. An internal gear segment, arranged on an output shaft in a rotationally fixed manner, is positioned on a borehole of the cover. An axle on which a double toothed gear is arranged is then mounted on the output side, an a pocket hole in the cover. This reduces the overall length, as well as the number of components and the cost.
Claims10
Actuating device comprising:
- a drive unit comprising an electric motor, which motor is arranged in a housing and directly drives a drive shaft;
- a gear unit comprising
- a drive gear driven by the drive shaft and arranged on the drive shaft at least in a rotationally fixed manner,
- one or more planetary gears, each planetary gear comprising a double gear having a larger gear wheel and a smaller gear wheel, supported on an axle in a fixed position and so that the planetary gear can pivot, and
- an internally toothed gear or internally toothed gear segment that is arranged on an output shaft in an at least rotationally fixed manner,
- wherein the drive gear in a first gear stage meshes with at least one planetary gear,
- whereby the drive gear drives the larger gear wheel of the double gear, and the smaller gear wheel, which faces a direction of an output side, in a second gear stage meshes with the internally toothed gear or internally toothed gear segment, so that the output shaft can be driven via the two gear stages;
- and
- a cover fixed to the housing of the drive unit and the outside of the gear unit, arranged so that a bearing of the output shaft is arranged in the cover.
6 more elements
An actuating device comprising:
- a drive unit comprising an electric motor having a drive shaft, wherein the motor is arranged in a housing;
- a gear unit comprising
- a drive gear on the drive shaft at least in a rotationally fixed manner,
- one or more planetary gears, each planetary gear comprising a double gear having a larger gear wheel and a smaller gear wheel, supported on an axle in a fixed position and so that the planetary gear can pivot, and
- an internally toothed gear or internally toothed gear segment that is arranged on an output shaft in an at least rotationally fixed manner,
- wherein the drive gear in a first gear stage meshes with at least one planetary gear,
- whereby the drive gear drives the larger gear wheel of the double gear, and the smaller gear wheel, which faces a direction of an output side, in a second gear stage meshes with the internally toothed gear or internally toothed gear segment, so that the output shaft can be driven via the two gear stages;
- and
- a cover fixed to the housing of the drive unit and the outside of the gear unit, arranged so that a bearing of the output shaft is arranged in the cover.
6 more elements
Dependencies are inferred from the claim text.