STABILITY AND COMMAND AUGMENTATION SYSTEM FOR AN AIRCRAFT

    公开(公告)号:EP3598263A1

    公开(公告)日:2020-01-22

    申请号:EP19194312.5

    申请日:2017-10-05

    申请人: LEONARDO S.p.A.

    摘要: A stability and command augmentation system (20) for controlling an aircraft (1), comprising: a first member (19) moveable by a pilot input device (10, 11, 15) to a first position defining a first input (xi); a second member (22) moveable to a second position associated with a second input (xd); and an adder device (21) configured to add the first and second inputs (xi, xd) and supply an output signal (xv) defining a command for an element to be controlled (9, 14) of the aircraft (1); the stability and command augmentation system (20) comprises: a casing (30), a first and a second piston (31, 32) integrally movable with one another inside the casing (30) and operatively connected to the second member (22); and control means (33) configured to exert a first force on the first piston and a second force on the second piston (31, 32); the second force is independent of the first force.

    CONTROL DEVICE FOR VARYING THE ANGLE OF ATTACK OF THE BLADES OF AN ANTI-TORQUE ROTOR FOR AN AIRCRAFT CAPABLE OF HOVERING

    公开(公告)号:EP4173949A1

    公开(公告)日:2023-05-03

    申请号:EP21205724.4

    申请日:2021-10-29

    申请人: Leonardo S.p.a.

    摘要: Control device (50) for controlling the variation of the angle of attack of the blades (8) of the anti-torque rotor (4) of an aircraft capable of hovering (1), comprising: - a control element (16) sliding along a first axis (a) with respect to a shaft (6) of the rotor and rotatable integrally therewith; the control element operatively connected to a plurality of blades articulated on the shaft for varying the angle of attack thereof following a translation of the element itself along the axis; - a control rod (10) axially sliding along the axis with respect to the shaft and angularly fixed with respect to the axis; - a rolling bearing (17) interposed between the control rod and the control element, sliding along the axis integrally with the control rod; - a threaded element (51) screwed onto the control rod and cooperating with the rolling bearing to constrain it axially with respect to the control rod; a bushing (52) coupled in an angularly and axially fixed manner to the threaded element, and in an angularly fixed manner to the control rod.

    STABILITY AND COMMAND AUGMENTATION SYSTEM FOR AN AIRCRAFT

    公开(公告)号:EP3467608A1

    公开(公告)日:2019-04-10

    申请号:EP17194901.9

    申请日:2017-10-05

    申请人: LEONARDO S.p.A.

    摘要: A stability and command augmentation system (20) for controlling an aircraft (1), comprising: a first member (19) moveable by a pilot input device (10, 11, 15) to a first position defining a first input (xi); a second member (22) moveable to a second position associated with a second input (xd); and an adder device (21) configured to add the first and second inputs (xi, xd) and supply an output signal (xv) defining a command for an element to be controlled (9, 14) of the aircraft (1); the stability and command augmentation system (20) comprises: a casing (30), a first and a second piston (31, 32) integrally movable with one another inside the casing (30) and operatively connected to the second member (22); and control means (33) configured to exert a first force on the first piston and a second force on the second piston (31, 32); the second force is independent of the first force.

    VERTICAL TAKE-OFF AND/OR LANDING AIRCRAFT AND METHOD FOR CONTROLLING A FLOW OF A FLUID ALONG A FLUIDIC LINE OF A VERTICAL TAKE-OFF AND/OR LANDING AIRCRAFT

    公开(公告)号:EP3670338A1

    公开(公告)日:2020-06-24

    申请号:EP18214922.9

    申请日:2018-12-20

    申请人: LEONARDO S.p.A.

    摘要: A vertical take-off and/or landing aircraft (1) comprising: a fuselage (2) having a longitudinal axis (d); a pair of semi-wings (3) protruding from the fuselage (2) in a transversal direction with respect to the longitudinal axis (D); a pair of a predetermined breaking areas (11) of the semi-wings (3) defining respective preferred rupture sections (12) at which the respective semi-wings (3) are designed to break, during operation, in a controlled way moving along a preferred collapse trajectory in the event of impact; and at least one fluidic line (13) configured to convey at least one service fluid from and/or towards at least one said semi-wing (3) and crossing at least one of said preferred rupture sections (12); the aircraft (1) comprises a self-sealing coupling (15) movable between a first configuration in which it enables the flow of said service fluid from and/or towards the semi-wing (3), and a second configuration in which it prevents the above-mentioned flow and the spilling of the service fluid from the fluidic line (13); the self-sealing coupling (15) is movable from the first to the second configuration via the movement of the semi-wing (3) along the preferred collapse trajectory.