公开(公告)号：US20240326354A1

公开(公告)日：2024-10-03

申请号：US18258696

申请日：2021-12-22

Applicant: LEONARDO S.P.A.

Inventor： Giuseppe Stefano CORVAGLIA ,  Nicola GALLO ,  Alessandro SERIO

IPC: B29C70/44 ,  B29C70/54 ,  B64C1/00 ,  B64C1/06 ,  B64C1/12

CPC classification number: B29C70/443 ,  B29C70/541 ,  B29C70/544 ,  B64C1/064 ,  B64C1/12 ,  B64C2001/0072

Abstract: A method to manufacture a structural component in composite material reinforced with stiffening stringers and comprising a skin and plurality of stringers having a hollow section fixed to said skin. The method comprising: a) laminating a plurality of first layers of composite material onto an external surface of a cure tool, b) laminating pluralities of second layers of composite material on longitudinal hollow expandable inserts, c) positioning each reinforcing element on a face of a second skin, d) holding each reinforcing element on the face of the second skin; e) housing the tool, skin and reinforcing elements inside a vacuum bag; and f) compacting together the first layers forming the skin with the second layers forming the stringers; g) housing skin and reinforcing elements in a further vacuum bag; and h) sealing the further vacuum bag; and i) applying preset temperature and pressure to the outside of the vacuum chamber.

公开(公告)号：US12071232B2

公开(公告)日：2024-08-27

申请号：US17786194

申请日：2020-12-17

Applicant: LEONARDO S.P.A.

Inventor： Riccardo Bianco Mengotti ,  Paolo Brughera ,  Luca Sampugnaro ,  Carlo Cassinelli

IPC: B64C29/00 ,  B64C1/20 ,  B64C1/22 ,  B64C3/52 ,  B64C27/22 ,  B64D27/02 ,  B64D27/24 ,  B64D29/00 ,  B64D35/04 ,  B64D35/08 ,  H02K7/18

CPC classification number: B64C29/0033 ,  B64C1/20 ,  B64C1/22 ,  B64C3/52 ,  B64C27/22 ,  B64D27/24 ,  B64D29/00 ,  B64D35/04 ,  B64D35/08 ,  H02K7/1861 ,  B64D27/026

Abstract: A convertiplane is described that comprises: a fuselage, having a first longitudinal axis and, in turn, comprising a nose and a tail portion; a pair of wings arranged on respective opposite sides of the fuselage, carrying respective rotors and generating a lift value; and a pair of engines operatively connected to respective rotors; each rotor comprising a mast rotatable about a second axis between a helicopter configuration and an aeroplane configuration; each rotor is interposed between the fuselage and the relative rotor along the direction of extension of the relative wing.

公开(公告)号：US20240270381A1

公开(公告)日：2024-08-15

申请号：US18646221

申请日：2024-04-25

Applicant: LEONARDO S.P.A.

Inventor： Daniele Podda ,  Alessandro Rutilio ,  Stefano Poggi ,  Fabrizio Losi

IPC: B64C27/82 ,  B64C27/59 ,  B64C27/72

CPC classification number: B64C27/82 ,  B64C27/72 ,  B64C27/59

Abstract: An anti-torque rotor includes a mast rotatable about a first axis; a plurality of blades; an element slidable along the first axis, rotating integrally with the mast and operatively connected to the blades. The rotor also has a slidable control rod; a first bearing with a rotatable first ring, a second ring radially internal to the first ring and a plurality of first rolling bodies; a third ring slidable along the first axis and angularly fixed with respect to the first axis; and a locking element arranged in a first configuration, in which it prevents the relative rotation of the second and third rings and is movable from the first configuration to at least one emergency configuration, in which it renders the second ring free to rotate with respect to the third ring, when the first bearing is in a failure condition.

公开(公告)号：US12054246B2

公开(公告)日：2024-08-06

申请号：US18008355

申请日：2021-05-26

Applicant: LEONARDO S.P.A.

Inventor： Luigi Bottasso ,  Fabrizio Losi ,  Alessandro Nava ,  Sergio Sartori ,  Roberto Simonetta ,  Alessandro Airoldi ,  Matteo Boiocchi

IPC: B64C27/12

CPC classification number: B64C27/12 ,  F16D2200/006

Abstract: A helicopter is described comprising a motor member comprising an output shaft and a first stator rotatably supporting the output shaft around a first axis; a main rotor adapted to provide the lift necessary for the support and the thrust necessary for the movement of the helicopter; a transmission interposed between the motor member and the main rotor; the transmission rotatable around a second axis and a second stator rotatably supporting the input shaft around the second axis; the helicopter also comprises a joint interposed between the first and second stator, angularly fixed with respect to the first axis, and configured to allow an inclination between the first and second stator in a plane parallel to said first axis; the joint comprises a first corrugated element made of an elastically deformable material, interposed between said first and second stator, and adapted to allow the inclination through elastic deformation.

公开(公告)号：US20240241589A1

公开(公告)日：2024-07-18

申请号：US18558598

申请日：2022-05-10

Applicant: LEONARDO S.P.A.

Inventor： Francesco Ricci ,  Giovanni Barile ,  Massimo Fabbrini

IPC: G06F3/0338 ,  B64D43/00 ,  G06F3/02 ,  G06F3/038

CPC classification number: G06F3/0338 ,  B64D43/00 ,  G06F3/0202 ,  G06F3/038

Abstract: Device for controlling a cursor of a graphical user interface of a flight unit, comprising a base structure; a graspable body shaped to be grasped by a hand of an operator and movable with respect to the base structure by the manual force provided by the operator by means of his/her hand; a force sensor coupled to the graspable body and designed to sense the movements of the graspable body with respect to the base structure along at least a first axis and a second axis; an interface circuit for converting the signals provided by the force sensor into control signal of the graphical user interface of the flight unit in order to move the cursor along a first axis and a second axis of the graphical user interface based on the force provided to the graspable body by the operator.

公开(公告)号：US12017765B2

公开(公告)日：2024-06-25

申请号：US17786210

申请日：2020-12-17

Applicant: LEONARDO S.P.A.

Inventor： Riccardo Bianco Mengotti ,  Matteo Pizzagalli ,  Carlo Cassinelli ,  Paolo Brughera ,  Luca Sampugnaro

IPC: B64C3/56 ,  B64C29/00

CPC classification number: B64C3/56 ,  B64C29/0033

Abstract: A method is described for the folding of a convertiplane with a fuselage having a first axis, a pair of wings and a pair of rotors arranged on respective mutually opposite sides of the respective wings; each rotor comprises a mast rotatable about a second axis and a plurality of blades; each wing comprises a first portion fixed with respect to the fuselage; a second tip portion opposite to the first portion; and a third intermediate portion, which is interposed between the associated first portion and second tip portion; the mast of each rotor is integrally tiltable with the second axis and associated second tip portion about a third axis transversal to the second axis and the fuselage so as to set said convertiplane between a helicopter configuration and an aeroplane configuration; the method comprises the steps i) of arranging the convertiplane in the helicopter configuration and ii) rotating a pair of assemblies of respective wings with respect to the fuselage and the associated first portion about respective fifth axes, so as to arrange the convertiplane in a stowage configuration.



A convertiplane is also disclosed.

公开(公告)号：US20240159310A1

公开(公告)日：2024-05-16

申请号：US18551029

申请日：2021-12-20

Applicant: LEONARDO S.P.A.

Inventor： Federico Montagna ,  Daniele Podda ,  Diego Scaltritti

IPC: F16H57/08 ,  B64D35/00 ,  F16C19/38 ,  F16C33/30 ,  F16C33/36 ,  F16C33/46 ,  F16C33/48 ,  F16C33/58 ,  F16H1/28

CPC classification number: F16H57/082 ,  B64D35/00 ,  F16C19/38 ,  F16C33/303 ,  F16C33/36 ,  F16C33/4623 ,  F16C33/48 ,  F16C33/585 ,  F16H1/28 ,  F16C2326/43 ,  F16C2361/61 ,  F16H2057/085

Abstract: A description is provided of a planetary gear comprising a sun rotatable around a first axis, a crown angularly fixed with respect to the first axis; two satellites that are meshing, rotatable around respective second axes; a satellite carrier rotatable around the first axis and comprising at least two first pins with respect to which the satellites are rotatable around respective second axes (I); and a plurality of bearings comprising: a first ring defining a first raceway that is at least partially spherical; a second ring defining a second raceway; and a plurality of rolling bodies shaped as an hourglass rolling on the first spherical raceway and a second raceway; each rolling body being in contact with the raceways at a line with axial ends lying on respective straight lines tilted between them and converging in a point lying on a median plane of the rolling body and on the second axis; the straight lines define a first angle, whose bisector lies on the first median.

公开(公告)号：US11908346B2

公开(公告)日：2024-02-20

申请号：US17761062

申请日：2020-09-18

Applicant: LEONARDO S.P.A.

Inventor： Roberto Ciccarelli ,  Emanuele Rovea ,  Francesco Ollosu ,  Paolo Rigato

IPC: G09B9/24

CPC classification number: G09B9/24

Abstract: A system for evaluating an operator in a training mission on a training element, including a first processing unit configured to receive and process first data to generate converted data according to an operating frequency; a second processing unit configured to receive and process the converted data and mission support data according to the operating frequency to generate second data; and a third processing unit configured to receive and compare the converted data with the second data according to the operating frequency such to generate, based on said comparison, response data. Response data comprise visualisation data and the evaluation system further includes a graphic process unit configured to receive visualisation data and generate a map of the operating environment wherein the training element operates.

公开(公告)号：US20240030621A1

公开(公告)日：2024-01-25

申请号：US18250400

申请日：2021-10-29

Applicant: LEONARDO S.P.A.

Inventor： Angelo Aprile ,  Giorgio Isella ,  Eleonora Troysi ,  Giovanni Vertemati ,  Dario Meledandri ,  Alfonso Breglia ,  Ersilio Vannicola

IPC: H01Q21/00 ,  H01Q21/20 ,  H04B7/06

CPC classification number: H01Q21/0025 ,  H01Q21/20 ,  H04B7/0617

Abstract: The invention concerns an active electronically steerable antenna including: a planar or quasi-planar radiating array configured to transmit and/or receive radiofrequency or microwave signals, and a plurality of three-dimensional U-shaped modules, each arranged behind, and coupled to, a respective planar or quasi-planar radiating subarray of N radiating elements arranged in two rows or columns, each of N/2 radiating elements, N being an even integer. Each three-dimensional U-shaped module comprises: a respective base wall; two respective side walls that are orthogonally arranged with respect to the respective base wall so as to form therewith a respective three-dimensional U-shaped structure, and are arranged, each, behind a respective row or column of N/2 radiating elements of the respective planar or quasi-planar radiating subarray; and respective transmit and/or receive electronics distributed on said respective base and side walls and configured to implement N respective transmit and/or receive modules. For each three-dimensional U-shaped module, the respective transmit and/or receive electronics includes: for each respective side wall, N/2 respective transmission and/or reception front-end modules that are mounted on said respective side wall, are coupled to the N/2 radiating elements of the respective row or column of the respective planar or quasi-planar radiating subarray, and are configured to implement power amplifiers, low noise amplifiers, and switches or circulators; and respective base wall electronics mounted on the respective base wall, connected to the N respective transmission and/or reception front-end modules and configured to carry out beam steering functions including signal phase-shifting, and attenuation and/or amplification functions.

公开(公告)号：US20240010349A1

公开(公告)日：2024-01-11

申请号：US18037429

申请日：2022-04-21

Applicant: LEONARDO S.P.A.

Inventor： Franco Alfio DI MARIA

IPC: B64D29/02 ,  F16B5/02

CPC classification number: B64D29/02 ,  F16B5/02

Abstract: An assembly for removably mounting an underwing pylon to a rib of an aircraft wing is provided. The assembly has a prismatic body insertable into a prismatic cavity of the underwing pylon, a threaded retaining element having an upwardly tapered outer conical surface, and a vertical threaded pin inserted through a vertical through hole of the prismatic body. The assembly has an anti-rotation device for rotationally locking the threaded retaining element to the prismatic body relative to a vertical axis.