FIELD: electricity.
SUBSTANCE: sensor of restricted rotation speed consists of stator in the form of two magnetic conductors, magnets arranged symmetrically, rotor and winding attached on magnetic conductors in the gap between magnetic conductors and rotor. Magnetic conductors are made from laminated soft magnetic material with high magnetic conductivity, in the central part they are made as pole tips. Rotor is salient-pole made from uniform soft magnetic material with high saturation induction and section sufficient for rotor running in area of magnetic saturation. Magnets are rigidly fixed on magnetic conductors. Working gap between rotor and magnetic conductors is a constant value.
EFFECT: reducing moment of inertia of sensor rotating part, increasing coefficient of speed conversion to voltage, providing constant coefficient of electromotive force.
1 dwg
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