Abstract: An advanced braking system for an aircraft is disclosed. A controller calculates the braking required from each wheel in terms of force. A constant deceleration is achieved throughout a braking run by calculating the braking from other sources, principally aerodynamic drag, and commanding a complementary total level of braking from the wheel brakes. The performance of each wheel and brake are monitored during the braking run to determine whether their braking performance is limited by the brake discs or by the tire-ground interaction and to see whether the wheel is approaching the maximum slip ratio after which a skid occurs. The controller uses this information to distribute the total demand for braking amongst the wheels. In doing this, it also aims to keep the braking demand symmetrical across the aircraft and not to overheat the brakes. The controller further measures the braking force provided by a wheel and controls its brake pressure accordingly to achieve the force desired.

Abstract: A spring assembly comprises a spring with a coating, a spring retainer made of plastic material, an adhesive layer by which the spring and the spring retainer are bounded adhesively to one another, wherein the hardness of the adhesive layer is lower than the hardness of the coating. Further, a process of producing such a spring assembly is provided.

Abstract: A speed limited wheel includes a wheel main body defining a cavity, a urethane wheel outer overmolded to the cavity, a brake hub and a plurality of brake elements. The brake hub is disposed in the cavity and includes a cylindrical flange. The wheel main body is rotatable relative to the brake hub about a wheel rotational axis. The plurality of brake elements is disposed in the cavity and is circumferentially surrounded by the cylindrical flange of the brake hub. Each brake element is pivotally mounted to the wheel main body for pivoting between a first position spaced apart from a cylindrical flange of the brake hub and a second position engaging the cylindrical flange of the brake hub for generating friction to reduce a rotational speed of the wheel. The speed limited wheel may be a caster.

Abstract: The application discloses a method for controlling a pneumatic brake system of a vehicle. The method includes the step of modulating a pilot-control brake pressure by means of an electropneumatic pilot-control valve in venting phases and bleeding phases. The method also includes the step of feeding in the pilot-control pressure via a pilot-control line for outputting a brake pressure to wheel brakes of the vehicle.

Abstract: A friction-damping energy absorber has two ends, at least one core post, two supporting boards, multiple first material layers, and multiple second material layers. The at least one core post has multiple sliding sheets stacked with each other. The two supporting boards are mounted on the ends of the friction-damping energy absorber. The first material layers and second material layers are alternately mounted between the two supporting boards and surround the at least one core post to enable the first material layers and the second material layers to alternately mount with at least one of the sliding sheets of the at least one core post. The friction-damping energy absorber can be used on buildings, bridges, large objects or equipments to absorb and isolate the three-directional vibration energy of earthquakes and environments, and can prevent the operation temperature from increasing and provide an automatic adjustment function of damping and stiffness.

Abstract: A vibration isolator (10) is a liquid-enclosed vibration isolator and includes: a tubular first mounting member (11) connected to one of a vibration generator and a vibration absorber, and a second mounting member (12) connected to the other; an elastic body (13) elastically connecting the mounting members; and a partition member (16) partitioning a liquid chamber (19) in the first mounting member (11) within which a liquid (L) is enclosed into a primary liquid chamber (14) that uses the elastic body (13) as a part of a wall surface thereof and a secondary liquid chamber (15), wherein the partition member (16) is formed with a restriction passage (24) communicating the primary and secondary liquid chambers (14, 15) with each other, and a porous body (28) having numerous pores (31), which are disposed in parallel so as to communicate a side of the primary liquid chamber (14) and a side of the secondary liquid chamber (15) with each other, is arranged in the restriction passage (24).

Abstract: A front fork has a damping variable leg including: an outer tube at an upper end side; an inner tube at a lower end side and inserted into the outer tube; a piston rod attached to the outer tube and extending toward the lower end side; a piston at a lower end of the piston rod; and a damping force variable device at the piston so as to generate variable damping force by controlling a flow of an operating fluid. The damping variable leg further includes: a conductor member attached to the piston; and a coil conductor covered with an insulating member and attached to the inner tube. The conductor member is configured to be inserted into the coil conductor. The damping variable leg detects a stroke amount of the damping variable leg based on a change in inductance of the coil conductor.

Abstract: An initialization method for an EMB may include: opening an in-valve for controlling a flow path through which brake oil is introduced from a master cylinder, closing an out-valve for controlling a flow path through which the brake oil is transferred to an accumulator part, and driving a motor to move a master piston forward; when the master piston is moved by a preset distance after coming in contact with a slave piston which is brought in contact with an inner pad, closing the in-valve and driving the motor to move the master piston backward; when the contact between the master piston and the slave piston is released, determining whether a gap between the master piston and the slave piston is equal to or more than a preset gap; and when the gap is equal to or more than the preset gap, ending initialization of the EMB.

Abstract: Provided are a wedge angle adjusting device and method. A device for adjusting a wedge angle of a variable wedge of an electro wedge brake (EWB) includes a movable wedge including an inclined surface and a counter wedge which includes an inclined surface disposed to face the inclined surface of the movable wedge and is disposed to face the movable wedge. The wedge angle adjusting device includes a frictional coefficient estimate unit configured to estimate a frictional coefficient between a pad and a disc of the EWB, a wedge angle command unit configured to calculate a wedge angle command value, based on a estimation of frictional coefficient estimated by the frictional coefficient estimate unit, and a wedge control unit configured to adjust the wedge angle according to the calculated wedge angle command value.

Abstract: A torque tube for use in a disk brake system in accordance with various embodiments includes a backleg having a reaction plate and a foot extending axially away from the reaction plate. The torque tube also includes a barrel having a tubular structure having an axis and an inner surface configured to receive the foot.

Abstract: A lateral brake assembly of a seat locking mechanism comprises: a first lateral brake including a first track bar and a first housing; a second lateral brake including a second track bar and a second housing; a carriage tube operably connected to the first lateral brake and the second lateral brake; a plurality of first slots located in the first track bar; and a first lateral lock pin operably connected to the carriage tube. The first housing in operation moves over the first track bar and locks onto the first track bar. The second housing in operation moves over the second track bar and locks onto the second track bar. The carriage tube in operation moves the first lateral brake and the second lateral brake to at least one of a locked position and an unlocked position, when the carriage tube rotates.

Abstract: A parking brake reset system for a railway vehicle, such as a transit vehicle, includes a brake operating unit fluidly connected to a main air reservoir and controlling air flow to a brake cylinder of the railway vehicle, a brake pipe, a parking brake, and a control valve in line between the brake pipe and the parking brake to establish fluid communication between the brake pipe and the parking brake. The control valve is in line between the brake operating unit and the parking brake, whereby the control valve controls air flow to the parking brake from the main air reservoir and the brake pipe. The control valve may be a double check valve or a 3-way cutout valve, as examples.

Abstract: A stopping system for a cab of boarding bridges for accessing aircraft and ships, which boarding bridge comprise a round structure (1) to which the cab (2) is attached with rotational capabilities, having stopping means made up of a cab rotation blocking mechanism, formed by a linearly movable lance (12), and of a coupling part (11) for said lance, that is integral to and rotates with the cab (2). The movement of the lance is controlled by a sensor that detects the operations of the cab drive mechanism.

Abstract: An electric brake device includes a brake rotor, a brake pad, an electric motor, a linear motion mechanism, and a controller. The controller includes a motor angular velocity control section to control an angular velocity of the electric motor; and a motor angular velocity limiting section to limit the angular velocity of the electric motor such that an angular velocity ?b of the electric motor in a no-load state when the electric brake device shifts from a non-braking state to a braking state, and an angular velocity ?r of the electric motor in a no-load state when the electric brake device shifts from the braking state to the non-braking state satisfy |?b|>|?r|.

Abstract: Performance electric parking brake controllers determine braking control signals for a performance electric parking brake system based on a position of a parking brake lever. A parking brake lever has a first rate of resistance associated with movement in a first direction away from a neutral position and a second rate of resistance associated with movement in a second direction away from the neutral position opposite the first direction. The first and second rates of resistance are different. A controller is configured to electromechanically actuate rear brake calipers of the vehicle in response to a first set of operating conditions of the vehicle, to hydraulically actuate front brake calipers and the rear brake calipers of the vehicle in response to a second set of operating conditions of the vehicle, and to hydraulically actuate only the rear brake calipers in response to a third set of operating conditions of the vehicle.

Abstract: A leaf spring made of a fiber composite material having integrated bearing holes and a method for producing is disclosed. The method comprises the steps of cutting prepreg strips of a predetermined length from a prepreg strand, removing cut-outs from the particular prepreg strip in the axial ends where a bearing hole should be formed, laying a plurality of prepreg strips one over the other in a prepreg stack in alternation so that the surfaces of the prepreg strips are flush to form a raw leaf spring forming a bearing hole by deforming an axial end of the prepreg stack in a plane perpendicular to the longitudinal extension (L) and perpendicular to the transverse extension (B) of the prepreg stack, setting the raw sheet spring to form the finished leaf spring in a mold with a suitable setting pressure and a suitable setting temperature.

Abstract: A resettable sensor assembly includes an elongate valve body having a longitudinal axis and defining a cavity therein. A housing is at least partially disposed within a cooperates with the elongate valve body and includes at least one electrical contact. A support member disposed within the elongate valve body cavity cooperates with a plate to communicate with the at least one electrical contact. An actuator element configured for translating the plate along the axis between a first position in which the plate contacts the at least one electrical contact and a second position in which the plate is spaced apart from the at least one electrical contact. The element is formed from a shape memory alloy that is transitionable between an austenite crystallographic phase and a martensite crystallographic phase in response to a thermal activation signal to thereby translate the plate between the first position and the second position.

Abstract: An adjusting device is disclosed for adjusting friction surface wear on brake linings and a brake disk of a disk brake. The adjusting device is couplable to a brake application device on the drive side, and to a spindle unit of the disk brake on the output side. The adjusting device includes a drive element on both sides of which a rolling element assembly is axially arranged; a pressure element; an output element coupled to the pressure element for coupling to a coupling wheel; an energy storage element; and a support body, one end of which is connected to a bearing plate and around which the drive element, the rolling element assemblies, the output element and the energy storage element are arranged axially in series with the bearing plate. The energy storage element is arranged between a bearing portion of the support body and the pressure element.

Abstract: The invention relates to an apparatus for mounting an object to a structure. The apparatus includes an elastic arrangement including at least two elastic partial arrangements. The two elastic partial arrangements are arranged at a distance in the direction of a main axis, and the two elastic partial arrangements are soft in the direction of the main axis and stiff in all directions orthogonal to the main axis. Each of the two elastic partial arrangements comprises an inner connection area close to the main axis and an outer connection area farther away from the main axis, and each of the two elastic partial arrangements comprises at least two leaf springs which extend between the inner connection area and the outer connection area and which are spirally wound into each other within a common leaf plane.

Abstract: A carbon ceramic brake disc according to the present invention includes: a support body having cooling channels at the center portion; and friction layers directly attached to the top and the bottom of the support body without a bonding layer and having components different from the components of the support body, in which the support body is composed of a plurality of layers having components similar to the friction layers, gradually toward the friction layers from the cooling channels as the center. Accordingly, the support body can perform thermomechanical shock absorbing that is an original function and the friction layers and the support body can be prevented from separating while the carbon ceramic brake disc is manufactured.