A brake stroke logging indicator for determining brake stroke condition on a vehicle braking system comprising a moveable logger within a housing which logger can be moved within the housing from an initial position to a moved position, by the pressure from a brake pushrod. After the pressure from the brake pushrod has been released however, the logger remains in position in the housing. As such, the logger indicates the distance of the longest brake stroke traveled since the system was reset, without the need of a second person, or brake pedal jamming device. The indicating logger will always indicate the longest stroke traveled, where the driver has no need to hold the brake pedal down for inspection. Moreover, when the vehicle is stopped the indicating logger will indicate other mechanical problems that normally can be detected only when the vehicle is in motion.

A wear volume estimation device estimates a wear volume of a brake pad of a vehicle. A wear volume function expresses the wear volume as a function of a vehicle speed, a brake pressure, and a brake duration. The wear volume estimation device calculates the wear volume by using the wear volume function. Moreover, the wear volume estimation device estimates a temperature of a contact surface of the brake pad that comes in contact with a brake rotor, and updates temperature history information indicating at least a temperature history of the contact surface based on the temperature of the contact surface. The wear volume estimation device variably sets the wear volume function according to the temperature history of the contact surface indicated by the temperature history information acquired at a time of previous braking.

A brake wear gauge assembly includes a plurality of wires that is each comprised of a bendable material such that each of the wires is retained in a desired shape for guiding between a brake rotor of a vehicle and a brake pad of a vehicle. A ring is provided that has each of the wires movably disposed thereon thereby facilitating the plurality of wires to be portable. A plurality of feeler gauges is each coupled to a respective one of the wires. Each of the feeler gauges can be inserted between the brake rotor and the brake pad and each of the feeler gauges has a unique measuring thickness with respect to each other. In this way the plurality of feeler gauges can measure a variety of distances between the brake rotor and the brake pad.

A brake wear gauge assembly includes a plurality of wires that is each comprised of a bendable material such that each of the wires is retained in a desired shape for guiding between a brake rotor of a vehicle and a brake pad of a vehicle. A ring is provided that has each of the wires movably disposed thereon thereby facilitating the plurality of wires to be portable. A plurality of feeler gauges is each coupled to a respective one of the wires. Each of the feeler gauges can be inserted between the brake rotor and the brake pad and each of the feeler gauges has a unique measuring thickness with respect to each other. In this way the plurality of feeler gauges can measure a variety of distances between the brake rotor and the brake pad.

A multi-function portable optoelectronic apparatus to determine the profile of a brake disk and the profile of the tread of a tyre comprising an optoelectronic assembly for emitting a laminar beam of light along an optical emission axis so as to project onto the brake disk or onto the tread a luminous line and acquire an image containing the projected luminous line, a tubular case which can be gripped by hand, which contains optoelectronic assembly and is designed to be arranged resting on the brake disk during determination of the profile of the brake disk and an angular adapter member designed to be coupled in a stable but easily removable manner to the case and shaped to be arranged resting on the tread during determination of the profile of the tread; an electronic system configured to receive the image and determine the profile of the brake disk or the profile of the tread on the basis of the luminous line contained in the image.

A brake pad assembly is provided in the present disclosure. The brake pad assembly includes at least one back plate, at least one brake pad, at least one sensor plate and a warning module. The brake pad is on the surface of the board. The brake pad is surrounded by the sensor plate, and the sensor plate forms a closed circuit. The warning module is electrically connected to the sensor plate. A warning signal is generated by the warning module when the closed circuit of the sensor plate forms an open circuit or a short circuit.

A brake, which includes a frame part of the brake, an armature part movably supported on the frame part, and attached to the frame part a limit switch, the switching state of which changes when movement is exerted on the limit switch in the operating direction of the limit switch. The brake also includes a measuring pin that is movably supported on the frame part of the brake and that is separate from the armature part, which measuring pin is connected to the limit switch.

Disclosed herein a electromechanical brake includes a power converter including a nut provided in a cylinder portion of a caliper housing slidably coupled to a carrier and configured to rotate by receiving a driving force from an actuator, and a spindle connected to the nut and configured to move forward or backward by rotation of the nut in a first direction or a second direction; a pressing member coupled to a front side of the spindle and configured to press a pad plate; and a position adjuster screwed into the cylinder portion so that the power converter is mounted and configured to adjust a relative position of the caliper housing in response to an operation of the power converter.

An apparatus including a controller configured to generate a first indication for a vehicle braking system depending upon an oxidation state of a wheel brake of the vehicle is disclosed. Also disclosed is a braking system including a controller configured to receive a first indication, the first indication having been generated depending upon an oxidation state of a wheel brake of a vehicle and control the operation of the brake based on the first indication. Also disclosed is a method of controlling at least one brake of an aircraft, and an aircraft including the apparatus, the braking system and a temperature sensor configured to measure a temperature of a wheel brake of the aircraft and to transmit the temperature measurement to the apparatus.

A system for determining brake wear based on hydraulic fluid volume may comprise a brake actuator and a fluid supply line fluidly coupled to the brake actuator. The brake actuator may include a brake ram configured to translate in response to changes in fluid pressure in the brake actuator. A piston may be fluidly coupled between a first portion of the fluid supply line and a second portion of the fluid supply line. The piston may include a cylinder and a ram configured to translate within the cylinder. A first sensor may be operably coupled to the piston.