Patents by Inventor Francesco Braghin
Francesco Braghin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240105065Abstract: Method implemented through a computer for detecting the execution, by an aircraft, of a manoeuvre belonging to a macrocategory among a plurality of macrocategories, including: receiving a data structure with a plurality of time series of values of quantities relating to a flight of the aircraft; for each time duration among a plurality of predetermined time durations, selecting a corresponding subset of the data structure and extracting a corresponding feature vector; on the basis of the feature vectors, generating a corresponding input macrovector and applying to the input macrovector an output classifier to generate estimates indicative of the probability that the aircraft was performing manoeuvres belonging to the macrocategories.Type: ApplicationFiled: December 17, 2021Publication date: March 28, 2024Inventors: Andrea Baldi, Ugo Mariani, Daniele Mezzanzanica, Mara Tanelli, Francesco Zinnari, Giovanni Coral, Francesco Braghin, Gabriele Cazzulani
-
Patent number: 11879797Abstract: Braking device inserted in a test bench (2) for checking the correct operation of industrial screwdrivers, wherein the braking simulates a tightening operation of such screwdriver, comprising a container body (1) on the top of which a coupling (11) protrudes, suitable for coupling with the head (3) of the screwdriver to be tested, said coupling (11) being connected, by means of a shaft (12), to a braking unit (13), an electronic torque and angle detector (14) of the shaft rotation (12). Such braking unit (13) comprises a plate (14), rotated by the screwdriver, which is braked by suitable friction surfaces (15) moved towards the plate by the movement of an actuator; the movement of such actuator is performed by means of at least one electronically controlled piezoelectric element (17).Type: GrantFiled: December 13, 2019Date of Patent: January 23, 2024Assignee: ATLAS COPCO INDUSTRIAL TECHNIQUE ABInventors: Gabriele Cazzulani, Emanuele Riva, Francesco Braghin, Gaetano Cascini, Niccolo Becattini, Massimiliano Cattaneo, Alessandro Attilio Interdonato, Gianmaria Celico Fadini
-
Patent number: 11866159Abstract: A rotor for a hover-capable aircraft includes an attenuating device to attenuate the transmission of vibrations from a mast to the aircraft. The attenuating device includes a first mass free to oscillate parallel to a hub rotation axis with respect to a casing of the attenuating device and elastically connected to the casing. The attenuating device further includes a second mass free to oscillate parallel to the hub rotation axis, connection means adapted to make the first and second masses integrally movable along the hub rotation axis when the angular speed of the mast assumes a first value, and actuator means activatable to decouple the first and second masses when the angular speed of the mast assumes a second value, different from the first value.Type: GrantFiled: May 26, 2020Date of Patent: January 9, 2024Assignee: LEONARDO S.P.A.Inventors: Attilio Colombo, Gabriele Cazzulani, Simone Cinquemani, Ferruccio Resta, Francesco Braghin
-
Patent number: 11760468Abstract: A rotor for an aircraft is described that has a mast, an attenuating device to attenuate the transmission of vibrations from the mast in a plane orthogonal to the first axis; and a transmission device interposed between the mast and the attenuating device; the attenuating device comprises a first and a second mass unit with a first and a second mass rotatable about the first axis with a first and a second rotational speed, two control units operable to cause an additional rotation of at least one of the first and second masses; and a first and a second support assembly carrying the first and second masses; each control unit controls the angle between the first and second masses and each control unit comprises: a belt coupled to the support assembly and a drive unit coupled to the first belt, to cause the rotation of the first support assembly with respect to said transmission device.Type: GrantFiled: June 25, 2020Date of Patent: September 19, 2023Assignee: LEONARDO S.P.A.Inventors: Luigi Bottasso, Ermanno Fosco, Paolo Pisani, Francesco Vincenzo, Francesco Rosa, Francesco Braghin, Gabriele Cazzulani, Simone Cinquemani
-
Patent number: 11738859Abstract: A rotor for an aircraft is described that has a mast, an attenuating device to attenuate the transmission of vibrations from the mast in a plane orthogonal to the first axis, and a transmission device interposed between the mast and the attenuating device; the attenuating device comprises a first and a second mass unit with a first and a second mass rotatable about the first axis with a first and a second rotational speed, two control units operable to cause an additional rotation of at least one of the first and second masses, and a first and a second support assembly carrying the first and second masses; each control unit controls the angle between the first and second masses and comprises a set of drive gear teeth integral with the first support assembly, a cogwheel with a set of control gear teeth meshing with the drive gear teeth, and an actuator to cause the rotation of the cogwheel about a second axis and of the first mass about said first axis.Type: GrantFiled: June 25, 2020Date of Patent: August 29, 2023Assignee: LEONARDO S.P.A.Inventors: Luigi Bottasso, Ermanno Fosco, Paolo Pisani, Francesco Vincenzo, Francesco Rosa, Francesco Braghin, Gabriele Cazzulani, Simone Cinquemani
-
Publication number: 20220258855Abstract: A rotor for a hover-capable aircraft is described that comprises: a hub rotating about an axis and, in turn, comprising a plurality of blades, a mast connectable to a power unit of the aircraft and operatively connected to the hub to drive the hub in rotation about said axis, and an attenuating device to attenuate the transmission of vibrations from the mast to the aircraft parallel to said; the attenuating device, in turn, comprising a casing, a first mass free to oscillate parallel to said axis with respect to the casing and elastically connected to the casing, a second mass free to oscillate parallel to said axis, connection means adapted to make the first and second masses integrally movable along said axis when the angular speed of the mast assumes a first value, and actuator means activatable to decouple the first and second masses when the angular speed of the mast assumes a second value, different from the first value.Type: ApplicationFiled: May 26, 2020Publication date: August 18, 2022Inventors: Attilio Colombo, Gabriele Cazzulani, Simone Cinquemani, Ferruccio Resta, Francesco Braghin
-
Publication number: 20220258856Abstract: A rotor for an aircraft is described that has a mast, an attenuating device to attenuate the transmission of vibrations from the mast in a plane orthogonal to the first axis, and a transmission device interposed between the mast and the attenuating device; the attenuating device comprises a first and a second mass unit with a first and a second mass rotatable about the first axis with a first and a second rotational speed, two control units operable to cause an additional rotation of at least one of the first and second masses, and a first and a second support assembly carrying the first and second masses; each control unit controls the angle between the first and second masses and comprises a set of drive gear teeth integral with the first support assembly, a cogwheel with a set of control gear teeth meshing with the drive gear teeth, and an actuator to cause the rotation of the cogwheel about a second axis and of the first mass about said first axis.Type: ApplicationFiled: June 25, 2020Publication date: August 18, 2022Inventors: Luigi Bottasso, Ermanno Fosco, Paolo Pisani, Francesco Vincenzo, Francesco Rosa, Francesco Braghin, Gabriele Cazzulani, Simone Cinquemani
-
Publication number: 20220250741Abstract: A rotor for an aircraft is described that has a mast, an attenuating device to attenuate the transmission of vibrations from the mast in a plane orthogonal to the first axis; and a transmission device interposed between the mast and the attenuating device; the attenuating device comprises a first and a second mass unit with a first and a second mass rotatable about the first axis with a first and a second rotational speed, two control units operable to cause an additional rotation of at least one of the first and second masses and a first and a second support assembly carrying the first and second masses; each control unit controls the angle between the first and second masses and each control unit comprises: a belt coupled to the support assembly and a drive unit coupled to the first belt, to cause the rotation of the first support assembly with respect to said transmission device.Type: ApplicationFiled: June 25, 2020Publication date: August 11, 2022Inventors: Luigi Bottasso, Ermanno Fosco, Paolo Pisani, Francesco Vincenzo, Francesco Rosa, Francesco Braghin, Gabriele Cazzulani, Simone Cinquemani
-
Publication number: 20220218552Abstract: A load compensation device may include an assisted joint configured to be constrained to a support structure; a main rod comprising a proximal end connected to the assisted joint, and further comprising a distal end configured to be stressed by an applied load; an auxiliary rod comprising a first end and a second end, the first end being hinged on the main rod for rotating the auxiliary rod with respect to the main rod, the second end being movable on a plane on which the applied load lies; an elastic element configured to provide an elastic force which acts between the second end of the auxiliary rod and the distal end of the main rod; a regulation system configured to modify a distance between the second end of the auxiliary rod and the assisted joint, so as to vary a preloading of the elastic element.Type: ApplicationFiled: May 29, 2020Publication date: July 14, 2022Inventors: Lorenzo AQUILANTE, Mattia TABAGLIO, Daniele RAMIREZ, Francesco BRAGHIN, Alessandra Laura Giulia PEDROCCHI, Marta GANDOLLA, Stefano DALLA GASPERINA
-
Patent number: 11319061Abstract: A rotor for an aircraft is described that comprises: a hub rotatable about an axis and, in turn, comprising a plurality of blades; a mast connectable to a drive member of the aircraft and connected to the hub to drive the hub in rotation about the axis; and damping means to dampen the transmission of vibrations to the mast in a plane orthogonal to the axis; the damping means comprising at least a first mass and a second mass that can eccentrically rotate about the axis with a first and a second speed of rotation, respectively; the first mass and second mass are operatively connected to the mast to generate, respectively, a first and a second damping force on the mast having a main component in a direction radial to the axis; the rotor comprises a transmission unit, which is interposed between the mast and the first and second masses so as to drive the first and second masses in rotation.Type: GrantFiled: June 28, 2018Date of Patent: May 3, 2022Assignee: LEONARDO S.P.A.Inventors: Attilio Colombo, Luigi Bottasso, Paolo Pisani, Andrea Favarotto, Dario Colombo, Federico Montagna, Roberto Regonini, Francesco Braghin, Simone Cinquemani
-
Patent number: 11237072Abstract: A system for verifying proper functioning of industrial screwdrivers placed on a test bench is provided. The bench includes a plurality of hydraulic brakes, with which the screwdriver is associated, controlled by a hydraulic circuit including a pump, which withdraws the fluid from a reservoir and provides it to a pressure regulating valve, which in turn provides it to the brakes. Each brake is provided with measuring transducers connected to an electronic driver board, which also controls the regulating valve. A hydraulic distributor is present between the brakes and the regulating valve, the hydraulic distributor including solenoid valves able to select, operate and control the hydraulic pressure of each brake to which it is selectively connected. A computer communicates with the board and includes a driving program stored thereon capable of progressively increasing the braking capacity of the brakes according to a preset braking torque/brake rotation angle curve.Type: GrantFiled: December 4, 2018Date of Patent: February 1, 2022Assignee: ATLAS COPCO INDUSTRIAL TECHNIQUE AKTIEBOLAGInventors: Gianmaria Celico Fadini, Marcello Traballoni, Francesco Braghin, Gabriele Cazzulani
-
Publication number: 20210318197Abstract: Braking device inserted in a test bench (2) for checking the correct operation of industrial screwdrivers, wherein the braking simulates a tightening operation of such screwdriver, comprising a container body (1) on the top of which a coupling (11) protrudes, suitable for coupling with the head (3) of the screwdriver to be tested, said coupling (11) being connected, by means of a shaft (12), to a braking unit (13), an electronic torque and angle detector (14) of the shaft rotation (12). Such braking unit (13) comprises a plate (14), rotated by the screwdriver, which is braked by suitable friction surfaces (15) moved towards the plate by the movement of an actuator; the movement of such actuator is performed by means of at least one electronically controlled piezoelectric element (17).Type: ApplicationFiled: December 13, 2019Publication date: October 14, 2021Applicant: ATLAS COPCO INDUSTRIAL TECHNIQUE ABInventors: Gabriele CAZZULANI, Emanuele RIVA, Francesco BRAGHIN, Gaetano CASCINI, Niccolo BECATTINI, Massimiliano CATTANEO, Alessandro Attilio INTERDONATO, Gianmaria CELICO FADINI
-
Patent number: 11137299Abstract: A microelectromechanical transducer includes a semiconductor body having first and second surfaces opposite to one another. A plurality of trenches extend in the semiconductor body from the first surface towards the second surface, including a first pair of trenches having a respective main direction of extension along a first axis, and a second pair of trenches having a respective main direction of extension along a second axis orthogonal to the first axis. A first piezoresistive sensor and a second piezoresistive sensor extend at the first surface of the semiconductor body respectively arranged between the first and second pair of trenches. The first piezoresistive sensor, the second piezoresistive sensor and the plurality of trenches form an active region. A first structural body is mechanically coupled to the first surface of the semiconductor body to form a first sealed cavity which encloses the active region.Type: GrantFiled: June 26, 2018Date of Patent: October 5, 2021Assignee: STMicroelectronics S.r.l.Inventors: Mohammad Abbasi Gavarti, Daniele Caltabiano, Francesco Braghin
-
Patent number: 11009412Abstract: A microelectromechanical force/pressure sensor has: a sensor die, of semiconductor material, having a front surface and a bottom surface, extending in a horizontal plane, and made of a compact bulk region having a thickness along a vertical direction, transverse to the horizontal plane; piezoresistive elements, integrated in the bulk region of the sensor die, at the front surface thereof; and a cap die, coupled above the sensor die, covering the piezoresistive elements, having a respective front surface and bottom surface, opposite to each other along the vertical direction, the bottom surface facing the front surface of the sensor die.Type: GrantFiled: June 17, 2020Date of Patent: May 18, 2021Assignee: STMICROELECTRONICS S.R.L.Inventors: Mohammad Abbasi Gavarti, Daniele Caltabiano, Andrea Picco, Anna Angela Pomarico, Giuditta Roselli, Francesco Braghin
-
Publication number: 20200340878Abstract: A system for verifying proper functioning of industrial screwdrivers placed on a test bench is provided. The bench includes a plurality of hydraulic brakes, with which the screwdriver is associated, controlled by a hydraulic circuit including a pump, which withdraws the fluid from a reservoir and provides it to a pressure regulating valve, which in turn provides it to the brakes. Each brake is provided with measuring transducers connected to an electronic driver board, which also controls the regulating valve. A hydraulic distributor is present between the brakes and the regulating valve, the hydraulic distributor including solenoid valves able to select, operate and control the hydraulic pressure of each brake to which it is selectively connected. A computer communicates with the board and includes a driving program stored thereon capable of progressively increasing the braking capacity of the brakes according to a preset braking torque/brake rotation angle curve.Type: ApplicationFiled: December 4, 2018Publication date: October 29, 2020Applicant: ATLAS COPCO INDUSTIAL TECHNQUE AKTIEBOLAGInventors: Gianmaria CELICO FADINI, Marcello TRABALLONI, Francesco BRAGHIN, Gabriele GAZZULANI
-
Publication number: 20200319040Abstract: A microelectromechanical force/pressure sensor has: a sensor die, of semiconductor material, having a front surface and a bottom surface, extending in a horizontal plane, and made of a compact bulk region having a thickness along a vertical direction, transverse to the horizontal plane; piezoresistive elements, integrated in the bulk region of the sensor die, at the front surface thereof; and a cap die, coupled above the sensor die, covering the piezoresistive elements, having a respective front surface and bottom surface, opposite to each other along the vertical direction, the bottom surface facing the front surface of the sensor die.Type: ApplicationFiled: June 17, 2020Publication date: October 8, 2020Inventors: Mohammad ABBASI GAVARTI, Daniele CALTABIANO, Andrea PICCO, Anna Angela POMARICO, Giuditta ROSELLI, Francesco BRAGHIN
-
Patent number: 10775171Abstract: A MEMS gyroscope is equipped with: at least a first mobile mass suspended from the top of a substrate by means of elastic suspension elements coupled to anchor points rigidly fixed to the substrate, in such a manner as to be actuated in an actuating movement along a first axis of a horizontal plane and to carry out a measurement movement along a vertical axis, transverse to the horizontal plane, in response to a first angular velocity acting about a second axis of the horizontal plane, transverse to the first axis. The elastic suspension elements are configured in such a manner as to internally compensate unwanted displacements out of the horizontal plane along the vertical axis originating from the actuating movement, such that the mobile mass remains in the horizontal plane during the actuating movement.Type: GrantFiled: April 18, 2018Date of Patent: September 15, 2020Assignee: STMicroelectronics S.r.l.Inventors: Gabriele Gattere, Luca Guerinoni, Luca Giuseppe Falorni, Damiano Milani, Francesco Braghin, Ferruccio Resta, Mohammad Izadi
-
Patent number: 10724909Abstract: A microelectromechanical force/pressure sensor has: a sensor die, of semiconductor material, having a front surface and a bottom surface, extending in a horizontal plane, and made of a compact bulk region having a thickness along a vertical direction, transverse to the horizontal plane; piezoresistive elements, integrated in the bulk region of the sensor die, at the front surface thereof; and a cap die, coupled above the sensor die, covering the piezoresistive elements, having a respective front surface and bottom surface, opposite to each other along the vertical direction, the bottom surface facing the front surface of the sensor die.Type: GrantFiled: February 12, 2018Date of Patent: July 28, 2020Assignee: STMICROELECTRONICS S.R.L.Inventors: Mohammad Abbasi Gavarti, Daniele Caltabiano, Andrea Picco, Anna Angela Pomarico, Giuditta Roselli, Francesco Braghin
-
Publication number: 20200198779Abstract: A rotor for an aircraft is described that comprises: a hub rotatable about an axis and, in turn, comprising a plurality of blades; a mast connectable to a drive member of the aircraft and connected to the hub to drive the hub in rotation about the axis; and damping means to dampen the transmission of vibrations to the mast in a plane orthogonal to the axis; the damping means comprising at least a first mass and a second mass that can eccentrically rotate about the axis with a first and a second speed of rotation, respectively; the first mass and second mass are operatively connected to the mast to generate, respectively, a first and a second damping force on the mast having a main component in a direction radial to the axis; the rotor comprises a transmission unit, which is interposed between the mast and the first and second masses so as to drive the first and second masses in rotation.Type: ApplicationFiled: June 28, 2018Publication date: June 25, 2020Inventors: Attilio Colombo, Luigi Bottasso, Paolo Pisani, Andrea Favarotto, Dario Colombo, Federico Montagna, Roberto Regonini, Francesco Braghin, Simone Cinquemani
-
Publication number: 20180372564Abstract: A microelectromechanical transducer includes a semiconductor body having first and second surfaces opposite to one another. A plurality of trenches extend in the semiconductor body from the first surface towards the second surface, including a first pair of trenches having a respective main direction of extension along a first axis, and a second pair of trenches having a respective main direction of extension along a second axis orthogonal to the first axis. A first piezoresistive sensor and a second piezoresistive sensor extend at the first surface of the semiconductor body respectively arranged between the first and second pair of trenches. The first piezoresistive sensor, the second piezoresistive sensor and the plurality of trenches form an active region. A first structural body is mechanically coupled to the first surface of the semiconductor body to form a first sealed cavity which encloses the active region.Type: ApplicationFiled: June 26, 2018Publication date: December 27, 2018Inventors: Mohammad Abbasi Gavarti, Daniele Caltabiano, Francesco Braghin