An aircraft brake temperature control system (BTCS) 100 for controlling a temperature of a brake 220 of a landing gear 201 of the aircraft 200. The BTCS 100 includes a controller 110 configured to cause at least one fluid moving device 230, 231, 232 to drive a flow of fluid onto the brake 220, selectively in one of a plurality of modes, to control the temperature of the brake 220. The BTCS 100 may be incorporated into an aircraft system 1000 with at least one fluid moving device 230, 231, 232, wherein the aircraft system is on an aircraft 200.

A braking system of an industrial vehicle includes an accumulator accumulating hydraulic oil, a hydraulic oil cooler cooling the hydraulic oil, an electromagnetic switch valve switching between an oil channel for the accumulator that allows supplying the hydraulic oil from a hydraulic pump to the accumulator and an oil channel for the hydraulic cooler that allows supplying the hydraulic oil from the hydraulic pump to the hydraulic oil cooler, and a controller controlling the electromagnetic switch valve to switch from the oil channel for the hydraulic cooler to the oil channel for the accumulator with timing of an increase after a drop in an engine speed when a cargo-handling operation is detected while an oil is at a setting pressure value or less and while the engine speed is at a setting engine speed or less.

A shield assembly is employed for a friction brake used to decelerate a road wheel of a vehicle. The vehicle has a body with a first body end configured to face an incident ambient airflow, a second body end opposite of the first body end, and an underbody section spanning a distance between the first and second ends. The shield assembly includes a first shield component arranged proximate the brake and rotationally fixed relative to the vehicle body. The shield assembly also includes a second shield component operatively connected to the first shield component for shifting relative thereto. The shield assembly additionally includes an actuator employing a shape memory alloy element to shift the second shield component relative to the first shield component in response to a temperature of the brake to thereby direct at least a portion of the airflow to the brake and control temperature thereof.

A brake cooling period prediction system for predicting a brake cooling period following a braking event, comprising a sensor apparatus in communication with a prediction apparatus. The sensor apparatus includes a torque sensor for measuring the torque reacted by a brake during a braking event; a wear sensor for measuring a wear state of the brake; and an environmental sensor for measuring at least one ambient condition of the environment of the brake. The prediction apparatus includes a memory storing information relating to the thermal behaviour of the brake; and a controller configured to receive a torque measurement, a wear measurement and an ambient condition measurement from the sensor apparatus; and predict a cooling period based on the received torque, wear and ambient condition measurements, and the information relating to the thermal behaviour of the brake.

In some examples, a brake cooling system including a brake assembly including at least one brake pad configured to deaccelerate the vehicle during an active braking procedure, a controller configured to monitor a temperature of the at least one brake pad, an onboard inert gas generation system (OBIGGS) configured to receive air and produce a nitrogen enriched air (NEA), a NEA supply conduit connected to the OBIGGS and configured to deliver the NEA from the OBIGGS to the brake assembly, and a NEA control valve coupled to the NEA supply conduit. The controller, in response to detecting the temperature of the at least one brake pad exceeds a threshold value during the active braking procedure, operates the NEA control valve to control the flow of the NEA passing through the NEA supply conduit and delivered to the at least one brake pad.

A vehicle brake cooling system is provided. The vehicle brake cooling system is configured to actively cool brake elements affecting one or more wheels of the vehicle during the periods of vigorous or prolonged application of a vehicle's brakes to prevent overheating. The system is filled with a suitable coolant fluid which is pressurized to flow through a nozzle or a system of nozzles onto a brake element during active braking, cooling the brake element. Manual or automatic operation is disclosed, including use of temperature or pressure sensors. A method of use of a vehicle brake cooling system is also disclosed.

A brake cooling period prediction system for predicting a brake cooling period following a braking event, and including a sensor apparatus in communication with a prediction apparatus. The sensor apparatus has a torque sensor for measuring the torque reacted by a brake during a braking event; a wear sensor for measuring a wear state of the brake; and an environmental sensor for measuring at least one ambient condition of the environment of the brake. The prediction apparatus includes a memory storing information relating to the thermal behavior of the brake; and a controller configured to receive a torque measurement, a wear measurement and an ambient condition measurement from the sensor apparatus; and predict a cooling period based on the received torque, wear and ambient condition measurements, and the information relating to the thermal behavior of the brake.

A vehicle includes a wheel, a brake assembly, a conditioned air source and an air circuit. The brake assembly has a portion selectively engageable with the wheel to reduce the rate of rotation of the wheel or stop rotation of the wheel. The conditioned air source provides an output air flow to the air circuit. The air circuit includes a first outlet through which at least a portion of the output air flow is directed toward at least part of the brake assembly under at least some conditions of vehicle operation. Accordingly, a flow of conditioned air, which may be heated or cooled relative to ambient air, may be provided to the brake assembly.

An aerodynamic system for a wheel housing of a vehicle that according to one embodiment includes a flap that can be displaced between a deployed position and a retracted position, a rotating actuator, and a transmission mechanism coupled to the actuator and configured for transmitting the movement of the actuator to the flap. The aerodynamic system also includes at least one air flow shutter device in the wheel housing, where the shutter device faces at least one air duct and where the shutter device can be displaced between a closed position and an open position. The transmission mechanism is also configured for transmitting the movement of the actuator to the shutter device.

An aircraft brake temperature control system (BTCS) (100) for controlling a temperature of a brake (220) of a landing gear (201) of the aircraft (200). The BTCS (100) includes a controller (110) configured to cause a thermal management system (2000) to regulate the temperature of the brake (220), on the basis of a selection of an objective for regulating the temperature of brake from a plurality of objectives (121), (122) for regulating the temperature of the brake. An aircraft (200) includes the BTCS; and a method (300) controls a temperature of a brake of a landing gear of an aircraft.