Somfy Sas

Somfy Activites Sa

Joël Ramos

Eric Paul Lagarde

Cyril Schuehmacher

Ronan Georgeault

Héléna Robert

Eric LaGarde

Serge Blanc

Laurent Montéremand

An electromechanical actuator includes a casing, a torque support, a ring, an electrical power supply cable and a device for discharging electrostatic charge. The ring is inserted partly around the torque support and forms a bearing guiding the rotation of a winding tube. The discharge device includes an electrical conduction element, which is configured to be in electrical contact with the tube, and an electrical linking element. The ring bears the electrical conduction element. The torque support at least partly accommodates the electrical linking element. The electrical conduction element is configured to be in electrical contact with the electrical linking element. The electrical linking element electrically connects the electrical conduction element to a shielding or to an earth electrical conductor of the cable.

Electromechanical actuator, motorized drive device comprising such an electromechanical actuator and concealment device comprising such a motorized drive device

An apparatus () for winding a screen () comprises a winding drum () for winding the screen () which can rotate about an axis of rotation () with respect to a fixed frame of reference over more than one revolution between at least one first end-of-travel position and a second end-of-travel position, a motor assembly () comprising a motor () equipped with a stator () intended to be fixed to a fixed support () and a rotor () kinematically connected to the winding drum (). A first measurement assembly () comprises a first encoder () secured to the rotor (), a first sensor for reading the first encoder () and generating a first counting signal when the first encoder () turns. First processing means () generate, as a function of the first counting signal, a first signal indicative of the position of the screen, which signal is monotonous when the drum moves from the first end-of-travel position to the second end-of-travel position. A second measurement assembly () makes it possible to detect at least one indexed position of the drum () per revolution of the drum in the fixed frame of reference. A calibration memory () stores at least one first calibration value for the first signal indicative of the position of the screen in the indexed position of the drum and at least one first quantitative algebraic comparison between a current value of the first signal indicative of the position of the screen as measured on passing through the indexed position during an observation phase and the first calibration value is delivered.

Detection of the position of a winding drum coupled to a motor via a damping flexible element

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Nangy, France

Joël Ramos