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AssigneeTechnofan
InventorsPascal TOUTAIN, Xavier LONGERE, Samuel BONNARD
Estimating the term…
The invention relates to an underspeed detection device (2) for a motor (4) comprising a stator and a rotor movable relative to the stator, the detection device (2) comprising detection means (12) able to generate an electric rotation signal (ir) representative of the speed of rotation of the rotor, and electronic analysis means (20) able to analyze the rotation signal (ir) to detect an underspeed situation, characterized in that the detection device (2) further comprises conversion means (18) able to convert part (ip) of the electric rotation signal (ir) into a power supply current (ial) for the analysis means (20), and means for applying the power supply current (ial) to the analysis means (20) for their electric power supply.
A ventilation system comprising a motor and an underspeed detection device of an engine comprising a stator and a rotor movable relative to the stator, the detection device comprising detection means able to generate an electric rotation signal representative of the speed of rotation of the rotor, and electronic analysis means able to analyze the rotation signal to detect an underspeed situation,
Dependencies are inferred from the claim text.