Gear motor, associated wiper system and associated control method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11498525
APP PUB NO 20190263360A1
SERIAL NO

16334973

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a gear motor (101), in particular for a wiper system, comprising: -a brushless DC electric motor (103) including: -a rotor; -a stator having coils for electromagnetically exciting the rotor; -a device for determining the angular position of the rotor; -a control unit configured to generate control signals for supplying power to the electromagnetic excitation coils of the stator; -a reduction mechanism (104) that is linked on one side to the rotor of the electric motor (103) and on the other side to an output shaft (109), the reduction mechanism (104) having a predefined reduction ratio and; -an output angular position sensor (110) that is configured to measure the angular position of the output shaft (109), wherein the output angular position sensor (110) that is configured to transmit a signal corresponding to the measured angular position of the output shaft (109) to the device for determining the angular position of the rotor and said device is configured to determine the position of the rotor on the basis of the transmitted signal by taking into account the predefined reduction ratio of the reduction mechanism (104). The invention also relates to a wiper system and to a method for controlling the electric motor (103).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VALEO SYSTEMES D'ESSUYAGELA VERRIERE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Floquet, Frédéric Le Mesnil Saint Denis, FR 2 4
Herrada, Jose-Luis Le Mesnil Saint Denis, FR 13 5

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