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US 9,168,828 B2Granted
Actuator with progressive gear
AssigneeJohnson Electric S.A.
InventorYvan Bourqui
Life of this patent
Estimating the term…
Abstract
An actuator for a grille shutter assembly of a vehicle has a motor connected to an output via a gear train. The output has a connection for connecting to louvers of the grille shutter assembly. The gear train has a gear ratio which is variable depending on the actuation angle of the output shaft. Optionally, a return spring is arranged to resiliently return the output shaft to an initial actuation angle when the motor is not active.
Claims11
An actuator for a grille shutter assembly of a vehicle, comprising:
- a motor having a motor shaft;
- an output, including an output shaft and a connection for connecting to louvers of the grille shutter assembly;
- and
- a gear train connecting the motor shaft to the output shaft,
- characterized in that the gear train has a gear ratio that is variable depending on a varied actuation angle of the output shaft;
- and
- wherein the gear train comprises a first spiral gear wheel and a second spiral gear wheel in mesh with the first spiral gear wheel.
4 more elements
Dependencies are inferred from the claim text.