Abstract: A wheel and brake assembly comprising: a stator; a rotating assembly mounted around and rotatable relative to the stator about an axis A; a torque tube in fixed engagement with the stator; a stack of brake disks mounted about the torque tube, the stack of brake disks comprising alternate rotor disks and stator disks, the stator disks attached to the torque tube and the rotor disks attached to the rotating assembly; a brake actuator configured to, in response to a brake command, apply a pressing force on the stack of brake disks to cause frictional engagement between the rotor disks and the stator disks such that the stator disks prevent the rotor disks and, hence the rotating assembly, from rotating relative to the torque tube.

Abstract: A heat shield assembly is disclosed. In various embodiments, the heat shield assembly defines a first circumferential side and a second circumferential side and an inboard end and an outboard end and includes a first layer defining a first surface of the heat shield assembly and having a first tab member disposed proximate the inboard end at the first circumferential side and a second tab member disposed proximate the outboard end at the first circumferential side; and a second layer defining a second surface of the heat shield assembly and having one or more first crimped portions extending along the first circumferential side and configured to engage the first tab member and the second tab member.

Abstract: A laminated dimpled foil metallic heat shield may have a cylindrical structure with an outer diameter and an inner diameter comprising a first metallic layer defining the outer diameter, an inboard edge and an outboard edge of the laminated dimpled foil metallic heat shield assembly, a second metallic layer defining the inner diameter of the laminated dimpled foil metallic heat shield assembly, and a first dimpled foil layer extending about a first circumference between the inner diameter and the outer diameter.

Abstract: A heat shield assembly is disclosed. In various embodiments, the heat shield assembly defines a first circumferential side and a second circumferential side and an inboard end and an outboard end and includes a first layer defining a first surface of the heat shield assembly and having a first tab member disposed proximate the inboard end at the first circumferential side and a second tab member disposed proximate the outboard end at the first circumferential side; and a second layer defining a second surface of the heat shield assembly and having one or more first crimped portions extending along the first circumferential side and configured to engage the first tab member and the second tab member.

Abstract: The present disclosure provides a heat shield. The heat shield may comprise a first shield layer defining a cylindrical inner diameter surface of the heat shield, the cylindrical inner diameter surface having a radius and an axis, an air gap layer radially outward of the first shield layer, a second shield layer radially outward of the air gap layer, a first insulation layer radially outward of the second shield layer, a foil layer radially outward of the second shield layer, a second insulation layer radially outward of the foil layer, and a third shield layer radially outward of the second insulation layer.

Abstract: A insulated torque plate foot assembly may comprise torque plate integral to a torque tube, a bushing, and an insulating bushing having a cylindrical structure comprising an inboard face, an inner diameter, an outer diameter, and an outboard face, wherein the insulating bushing coupled to the bushing and the torque plate and disposed between the torque plate and the bushing. The outer diameter may further comprise a first plurality of grooves, cut inward from the outer diameter toward the inner diameter, defining a first plurality of lands. The inner diameter may further comprise a second plurality of grooves, cut outward from the inner diameter toward the outer diameter, defining a second plurality of lands.

Abstract: The present disclosure provides a heat shield. The heat shield may comprise a first shield layer defining a cylindrical inner diameter surface of the heat shield, the cylindrical inner diameter surface having a radius and an axis, an air gap layer radially outward of the first shield layer, a second shield layer radially outward of the air gap layer, a first insulation layer radially outward of the second shield layer, a foil layer radially outward of the second shield layer, a second insulation layer radially outward of the foil layer, and a third shield layer radially outward of the second insulation layer.

Abstract: A insulated torque plate foot assembly may comprise torque plate integral to a torque tube, a bushing, and an insulating bushing having a cylindrical structure comprising an inboard face, an inner diameter, an outer diameter, and an outboard face, wherein the insulating bushing coupled to the bushing and the torque plate and disposed between the torque plate and the bushing. The outer diameter may further comprise a first plurality of grooves, cut inward from the outer diameter toward the inner diameter, defining a first plurality of lands. The inner diameter may further comprise a second plurality of grooves, cut outward from the inner diameter toward the outer diameter, defining a second plurality of lands.

Abstract: A laminated dimpled foil metallic heat shield may have a cylindrical structure with an outer diameter and an inner diameter comprising a first metallic layer defining the outer diameter, an inboard edge and an outboard edge of the laminated dimpled foil metallic heat shield assembly, a second metallic layer defining the inner diameter of the laminated dimpled foil metallic heat shield assembly, and a first dimpled foil layer extending about a first circumference between the inner diameter and the outer diameter.

Abstract: A system for cooling a gas turbine engine control component comprises a control component, at least one duct in fluid communication with the component and the atmosphere, and a valve assembly located with the duct for modulating airflow to the component. A method for cooling a gas turbine engine control component comprises the steps of: a) providing a system for cooling the component, the system comprising at least one duct in fluid communication with the component and the atmosphere and a valve assembly located with the duct for modulating airflow to the component; b) exposing the system to a first condition where cooling of the component is required; c) opening the valve assembly in response to the first condition; d) exposing the system to a second condition where cooling of the component is not required; and e) closing the valve assembly in response to the second condition.