MUMBAI, India, Aug. 1 -- Intellectual Property India has published a patent application (202517059177 A) filed by Marposs Societa' Per Azioni, Bentivoglio, Italy, on June 20, for 'apparatus and method for performing geometry and magnetic field measurements of a piece with rotational symmetry having a plurality of permanent magnets.'
Inventor(s) include Piunti, Francesco; Buoso, Marco; Mengoli, Antonio; and Rossi, Alessandro.
The application for the patent was published on Aug. 1, under issue no. 31/2025.
According to the abstract released by the Intellectual Property India: "An apparatus for performing geometry and magnetic field measurements of piece (2) such as a rotor of a permanent-magnet electric motor, having: a stationary first frame (3); a rotating base (4) mounted on the first frame so as to rotate about a rotation axis (4a); a gripping system (6) for holding the piece on the rotating base so as to cause rotation of the piece; a second frame (7) movably mounted on the first frame so as to translate parallel to the rotation axis; an optical detection system (13) fixed to the second frame in order to perform an optical scan of the piece; a slide (14) movably mounted on the second frame so as to translate along a direction (14a) perpendicular to the rotation axis by means of the action of an actuator (15); a magnetic field sensor (16) fixed to the slide so as to be able to be positioned facing a side surface (17) of the piece in order to perform the magnetic field measurements; and a processing and control unit (21) configured to perform the geometry measurements on the basis of the optical scan and to control the actuator so as to position the magnetic field sensor at a suitable measurement distance (D0; D1; D2) from the rotation axis or from the side surface along said direction during the magnetic field measurements. The invention also relates to an associated method for performing geometry and magnetic field measurements of the piece."
The patent application was internationally filed on Jan. 23, 2024, under International application No.PCT/EP2024/051478.
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