#MESSIER BUGATTI DOWTY [FR]

BRAKE ACTUATOR FOR AIRCRAFT WHEEL HYDRAULIC BRAKE

The invention relates to a braking actuator for an aircraft hydraulic brake, intended to be received in one of the cavities of a brake crown, the actuator comprising: - a sleeve (1) adapted to be rece…

DRIVE·Jun 22·2 min read

B60T7/108 MESSIER BUGATTI DOWTY [FR]

AIRCRAFT LANDING GEAR

The invention relates to an aircraft landing gear comprising an axle (3) intended to receive a wheel (4) comprising a rim (6) mounted to rotate on the axle (3) by means of at least one bearing (8), sa…

DRIVE·Mar 30·1 min read

B60T8/329 MESSIER BUGATTI DOWTY [FR]

TRANSMISSION OF TORQUE TO THE WHEEL VIA THE RIM ASSEMBLY BOLTS

The invention relates to a method for driving an aircraft wheel in rotation, the wheel being equipped with a rim comprising two half-rims assembled by bolts (5), in which a drive member is controlled …

DRIVE·Feb 10·1 min read

B60B25/004 MESSIER BUGATTI DOWTY [FR]

METHOD FOR MANAGING THE BRAKING OF AN AIRCRAFT WHEEL

Method for managing braking of a wheel (4) of an aircraft (1) equipped with a brake (11), the aircraft comprising brake control means adapted to implement an anti-skid function of the wheel (4) requir…

DRIVE·Dec 9·1 min read

B60T8/171 MESSIER BUGATTI DOWTY [FR]

Electromechanical brake actuator with park blocking for aircraft.

The invention relates to an electromechanical brake actuator for an aircraft wheel, comprising an electric motor (2) with a stator (3) and a rotor (4), a screw/nut assembly in which one of the element…

DRIVE·Nov 18·2 min read

B60T1/005 MESSIER BUGATTI DOWTY [FR]

Aircraft wheel comprising a duct establishing a leakage path in the wheel

The invention relates to an aircraft wheel comprising a rim and a tire (20) received on the rim, the rim comprising two parts (1; 2) assembled together by means of assembly bolts (5), one of the parts…

DRIVE·Sep 30·2 min read

B60B25/00 MESSIER BUGATTI DOWTY [FR]

Method for monitoring at least two electromechanical braking actuators

The invention relates to a method for monitoring at least two electromechanical actuators (5) for aircraft wheel braking, comprising, for each electromechanical actuator (5), the steps of: - determini…

DRIVE·Aug 5·1 min read

B60T17/22 MESSIER BUGATTI DOWTY [FR]

Method for monitoring a blocking member, and electromehanical actuator

Method for monitoring a locking member (12) of an electromechanical actuator (1), the monitoring method comprising the steps of: - determining a representative value of a supply current of a motor (11…

DRIVE·Jul 15·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

Aircraft wheel rim with removable flange

Aircraft wheel rim in two parts, one main part (1) comprising a hub (2), a web (4) extending between the hub and an annular external portion (3) intended to receive a tire and shaped to present a bead…

DRIVE·Jul 1·2 min read

B60B21/104 MESSIER BUGATTI DOWTY [FR]

Electromechanical actuator for vehicle brake and braking system comprising such an actuator

The invention relates to an electromechanical actuator for a vehicle brake comprising a body (4) in which are arranged an electric motor (5) and a threaded pusher cooperating by means of a helical con…

DRIVE·May 27·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

AIRCRAFT WHEEL EQUIPPED WITH A CHAIN DRIVE RING

The invention concerns an aircraft wheel equipped with rotational drive means (10) attached to lugs (19) projecting from a flange of a wheel rim (5), the drive means comprising a crown (11) capable of…

DRIVE·May 20·1 min read

B60B27/0015 MESSIER BUGATTI DOWTY [FR]

Method for using and renovating a disc of a disc stack

The invention relates to a method of using and refurbishing a brake disc (9) comprising the steps of using the disc over multiple service lives and compensating for a decrease in disc thickness after …

DRIVE·Dec 31·1 min read

B60T1/065 MESSIER BUGATTI DOWTY [FR]

Method for managing the service life of a stack of discs (also referred to as heat sink) of an aircraft brake

The method involves actuating an actuator to cause a pusher to come into contact with a stack of disks, and deducing a stroke of the actuator and a current level of wear for the stack of disks by taki…

DRIVE·Oct 1·1 min read

B60T17/22 MESSIER BUGATTI DOWTY [FR]

Electromechanical actuator for brake

The actuator (1) has a first portion (8) comprising an electric motor (5) and a connection unit (15) to connect the actuator to external control element (4). A second portion (9) has a pusher (6) moun…

DRIVE·Sep 17·1 min read

B60T13/746 MESSIER BUGATTI DOWTY [FR]

Method for managing the braking of an aircraft

The method involves distributing a set of wheels equipped with a brake into two distinct groups (G1-G3, G'1-G'3). A set of braking laws with regard to variation of braking force is assigned to each of…

DRIVE·Jun 25·1 min read

B60T17/221 MESSIER BUGATTI DOWTY [FR]

An aircraft wheel fitted with dricekey-bolts

The aircraft has two half-wheels (1, 2) that are assembled between by connecting holding bolts (10) tightening between veils of half-wheels. Each bolt comprises screw (11) with end forming head (12) a…

DRIVE·Jun 25·1 min read

B60B25/00 MESSIER BUGATTI DOWTY [FR]

Method for managing the braking of an aircraft

The method involves distributing wheels (R1-R12) equipped with brakes (F1-F12) in two distinct groups (G1-G3, G'1-G'3), and assigning variation laws of braking force to each group of the wheels accord…

DRIVE·Jun 25·1 min read

B60T17/221 MESSIER BUGATTI DOWTY [FR]

A mechanical actuator with a hydraulic damper device

The actuator has a hydraulic chamber (CH) filled with hydraulic fluid and arranged in an inner side by a floating piston (20). The chamber is in fluid flow communication with a storage unit (21) throu…

DRIVE·May 28·1 min read

B60G15/12 MESSIER BUGATTI DOWTY [FR]

An electromechanical braking method for reducing vibration

The method involves fixing an electromechanical brake (2) to a braked wheel (1) of an aircraft, where the brake includes friction elements (3) and electromechanical actuators (4). Each actuator is pro…

DRIVE·May 7·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

Electromechanical brake system for an aircraft

The brake has mid-sized ordering braking, and an electromechanical brake (1) that is set to equip a rotational wheel (3) slowed down aircraft. An electromechanical actuator (4) is provided with a push…

DRIVE·Apr 30·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

An electromechanical braking system architecture

The system has wheels (1) that are braked by respective brakes (2), and each brake has multiple electromechanical actuators (3). A controller (8) distributes electric power (Ps) to the actuators in re…

DRIVE·Apr 16·1 min read

B60T8/1703 MESSIER BUGATTI DOWTY [FR]

An aircraft wheel with a universal drive dog

The wheel (1) has a rim (2) intended to receive a tire, and a hub connected to the rim for receiving bearings for guiding the wheel in rotation about a rotation axis (X) on an axle of an aircraft. Thr…

DRIVE·Apr 2·1 min read

B60B21/12 MESSIER BUGATTI DOWTY [FR]

Equipment for measuring the inflation pressure of a tire of a vehicle wheel

The equipment has a communication opening (19) for putting an internal volume of a body (16) into communication with an inflation chamber. A piston (25) is slidably mounted in the body to define a wat…

DRIVE·Mar 5·1 min read

B60C23/02 MESSIER BUGATTI DOWTY [FR]

AN ELECTRIC BRAKE FOR AN AIRACRAFT WHEEL, THE BRAKE INCLUDING AN ELECTROMECHANICAL ACTUATOR FITTED WITH A TEMPERATURE SENSOR.

The brake (1) has an electromechanical actuator (8) carried by an actuator-carrier. The actuator comprises an electric motor adapted to move a pusher facing a stack of carbon disks (7) to apply brakin…

DRIVE·Sep 4·1 min read

B60T17/22 MESSIER BUGATTI DOWTY [FR]

Braking control method for landed airplane, aiming to optimise its pitching anle.

The method involves correcting an instruction of braking according to a pitching angle (theta) of an aircraft (1) during braking. The correction process is carried out by subtracting the instruction o…

DRIVE·May 29·1 min read

B60T17/00 MESSIER BUGATTI DOWTY [FR]

Architecture of an aircraft braking system

The structure has a power module (7) for sending phase currents to electromechanical actuators (3) such that the actuators exert braking efforts. A control module (8) controls the power module in resp…

DRIVE·Oct 10·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

Method for distributing braking torque between braked wheels supported by at least one aircraft landing gear.

The method involves assigning a braking setpoint as an individual braking setpoint to be generated by a brake of each of braked wheels, where the assigned braking setpoint is determined by a specific …

DRIVE·Oct 10·1 min read

B60T8/00 MESSIER BUGATTI DOWTY [FR]

Hydraulic braking system lay-out for an aircraft

The architecture has a normal braking hydraulic circuit (C1) including a pressure control servo valve (BCV) that has a supply port (P) connected to a pressure source (Alim), return port (R) and an uti…

DRIVE·Sep 5·1 min read

B60T13/662 MESSIER BUGATTI DOWTY [FR]

Method for controlling a brushless DC motor.

The method involves associating a static contactor (10) with an electric motor (1) for taking input voltage pulses and delivering polyphase voltage pulses to the motor such that an angular position of…

DRIVE·Jun 6·1 min read

B60T13/741 MESSIER BUGATTI DOWTY [FR]

Method for managing parking brakes in a braking system for vehicles equipped with electric brakes

The method involves establishing a series of direct parking braking adjustment tables corresponding to braking situations of a vehicle i.e. aircraft, at different energy levels. One of the direct adju…

DRIVE·Apr 11·1 min read

B60T13/74 MESSIER BUGATTI DOWTY [FR]

Hydraulic braking system for aircraft with simultaneously actuated dual working chamber brakes.

The structure has first and second hydraulic brake circuits (N1, N2) provided with respective servovalves (103, 104) and operating simultaneously such that semi-cavities (102a, 102b) are supplied with…

DRIVE·Aug 17·1 min read

B60T13/686 MESSIER BUGATTI DOWTY [FR]