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US 2012/0000303 A1Published application
Electric power assisted drive, in particular a wiper drive
AssigneeValeo Systèmes d'Essuyage
InventorSiegfried Stefani
Life of this patent
Estimating the term…
Abstract
Electromotive auxiliary drive, particularly a wiper drive, with an electric motor and a downstream gear forming an output shaft of the auxiliary drive, presenting at least two gear stages arranged in series in a drive train between the electric motor and the output shaft, of which one first gear stage is designed in the manner of a worm gear consisting of a worm and of a gearwheel or worm wheel interacting with this worm.
Claims20
An electromotive auxiliary drive, comprising:
- an electric motor;
- and
- a downstream gear forming an output shaft of the auxiliary drive presenting at least two gear stages arranged in series in a drive train between the electric motor and the output shaft, of which a first gear stage is designed as a worm gear comprising a worm and a worm wheel-like gear element interacting with the worm,
- wherein at least one second gear stage provided in the drive train is designed as a gear train.
1 more element
Dependencies are inferred from the claim text.