Goodrich Corporation

United Technologies Corporation

Hamilton Sundstrand Corporation

Goodrich Corporatioln

Robert French

David Bernard Drennen

Kevin Rehfus

Harald Klode

Satinder Mann

Nathaniel John Herrmann

Albert Keith Pant

Marc Georgin

Thomas Freshour

Phillip E Cooley

Joseph E Beason

Jerry Miller

Paul J Howard

Jacob Allen Dickel

Keith Gorby

A torque barrel for use with a brake system may comprise a torque barrel having a cylindrical structure including an inner surface, an outer surface, a first opening at a first end, and a second opening at an opposing second end; and a longitudinal hole disposed through the outer surface of the barrel between a first spline of the plurality of splines and a second spline of the plurality of splines.

Slotted torque plate barrel

A retaining clip for constraining a heat shield for use with an aircraft wheel assembly. The retaining clip includes a first end and a second end axially opposite the first end, the first end being opposite the second end along a longitudinal axis. The retaining clip further includes a first side and a second side each having a curvature forming a U-shaped cross section such that an outer edge of each of the first side and the second side extends back towards the longitudinal axis. The retaining clip further includes a migration stop defined by the first side at the first end, the migration stop extending past the outer edge of the second side and configured to interface with hooks of the heat shield to resist axial movement of the retaining clip relative to the heat shield.

Fastener migration limiting feature

A heat shield assembly is disclosed. In various embodiments, the heat shield assembly includes a first heat shield segment having a first end and a second end spaced from the first end, the first end including a first hook member and the second end including a second hook member; and a first heat shield retainer including a first clip member configured to engage the first hook member and a second clip member.

Heat shield retainer and method

A particle damped torque bar may comprise a body comprising a box beam structure, the body having a neck portion at a first end and an I-beam structure at a second end, wherein the box beam structure extends between the neck portion and the I-beam structure and a cavity within the box beam structure configured to encapsulate a particulate material therewithin.

Particle damping aircraft wheel torque bar

The present disclosure provides an actuator assembly having a ball nut comprising a helical track and a ball screw. The ball screw of the actuator assembly includes a first translation bearing track having a first diameter, wherein the helical track and the first translation bearing track form a first translation bearing raceway in which a first translation bearing ball is disposed. The ball screw further includes a second translation bearing track having a second diameter, wherein the helical track and the second translation bearing track form a second translation bearing raceway in which a second translation bearing ball is disposed. The first diameter and the second diameter are not equal.

Actuator ball screw for improved load sharing

A mechanical linear actuator in an aircraft brake may include a ball nut, a ball screw, and an actuator drive unit housing. The ball screw may rotate to drive the ball nut axially. The ball screw and the actuator drive unit housing may form a series of annular raceways. The ball screw may have a first window corresponding to a first raceway and a second window corresponding to a second raceway. Balls may be inserted into the first raceway through the first window and into the second raceway through the second window.

Ball screw assembly for aircraft brake

A heat shield assembly for a braking system is provided. The heat shield assembly includes a circumferential heat shield having a first end and a second end spaced from the first end along a central axis. A tab member is disposed proximate the second end of the circumferential heat shield. The tab member has a radially extending portion with an aperture extending therethrough. The aperture is configured for mounting the circumferential heat shield to a wheel.

Shield attachment method and device

An electromechanical actuator is provided comprising a housing, a rotor disposed in the housing, an selective gearbox mechanically coupled to the rotor and disposed in the housing, a first output of the selective gearbox configured to rotate at a different speed than the rotor, and a second output of the selective gearbox configured to rotate at a same speed as the rotor.

Electomechanical brake actuator with variable speed epicyclic gearbox

The present disclosure provides an electromechanical actuator comprising an actuator drive unit housing, a relief formed in the actuator drive unit housing, a column defined by the relief positioned adjacent to a second relief, and a load cell comprising the column and a strain gauge coupled to the column.

Actuator drive unit with load cell

A brushless DC motor is provided. The brushless DC motor comprises a motor housing around an axis, a stator assembly inside the motor housing, a carrier plate fixed relative to the stator assembly, and a Hall effect sensor assembly removably coupled to the carrier plate. A method of making a brushless DC motor is also provided comprising fixing a carrier plate relative to a stator assembly of a brushless DC motor assembly, and fixing a first Hall effect sensor array to the carrier plate.

Brushless motor with modular position sensor

The present disclosure provides devices and methods related to park brake systems and methods. In various embodiments, a park brake system may comprise a motor shaft having a first diameter portion and a second diameter portion, the second diameter portion having a greater diameter than the first diameter portion. A park brake system may further comprise a spring disposed at least partially around a circumference of the motor shaft, a wire coil disposed at least partially around a circumference of a bobbin, a one-way clutch disposed at least partially within the bobbin and coaxial to the motor shaft, an annular magnet disposed coaxial to the motor shaft and distal to at least a portion of the bobbin, and a clutch release mechanism disposed coaxial to the motor shaft and around the first diameter portion. In response to a first voltage being applied to the wire coil, the one-way clutch may translate axially in a first direction relative to the motor shaft and engage with the second diameter portion; in response to a second voltage applied to the wire coil, the one-way clutch may translate axially in a second direction relative to the motor shaft and engage with the clutch release mechanism.

Bi-stable voice coil park brake

Electromechanical brake actuator with variable speed epicyclic gearbox

An electro-mechanical actuator including an aircraft parking brake may include a motor shaft, a park brake disk, and a voice coil assembly. The voice coil assembly may include a bobbin configured to translate between an engaged position and a disengaged position. An engagement feature may be coupled to the bobbin. The engagement feature may contact the park brake disk in the engaged position. The engagement feature may be magnetically coupled to a voice coil magnet and washer in the disengaged position.

Apparatus and system for aircraft park brake systems

A park brake systems and methods are disclosed. According to various embodiments, park brake systems comprising a tapered motor shaft having a first diameter and a second diameter, the second diameter being greater than the first diameter, a voice coil disposed at least partially around a circumference of a bobbin, a first one-way clutch housed at least partially within the bobbin, the first one-way clutch disposed coaxial to the tapered motor shaft, and an annular magnet disposed coaxial to the tapered motor shaft and proximal to the first one-way clutch, wherein, in response to a first voltage applied to the voice coil, the first one-way clutch translates axially in a first direction with respect to the tapered motor shaft and engages with the second diameter are disclosed.

Growing community of inventors

Beavercreek, OH, United States of America

Robert French