Abstract: A brake pedal unit includes a housing defining a bore formed therein. An input piston is slidably disposed in the bore. The input piston is connected to a brake pedal such that engagement of the brake pedal causes movement of the input piston within the bore of the housing of the brake pedal unit. The brake pedal unit is defined to be in an at rest position when the brake pedal in not engaged causing movement of the input piston. A primary piston is slidably disposed in the bore for pressurizing a primary chamber. A primary passageway permits fluid communication between the primary chamber and the reservoir, wherein fluid flow through the primary passageway is blocked when the brake pedal unit is in the rest position. A secondary piston is slidably disposed in the bore for pressurizing a secondary chamber.

Abstract: A system for a vehicle having a brake system comprises a retention device adapted to engage and secure a container to the vehicle responsive to operation of the brake system. A method of a system for a vehicle having a brake system adapted to engage and secure a container to the vehicle responsive to operation of the brake system is also disclosed.

Abstract: Disclosed is a frequency sensitive type shock absorber including a piston rod reciprocating an inside of a cylinder and having a connection passage therein; a piston valve mounted on the piston rod and having a plurality of compression and rebound flow paths penetrating up and down thereof, and partitioning the cylinder into compression and rebound chambers; and a valve assembly mounted on the piston rod to generate a damping force that changes with frequency during a rebound stroke; wherein the valve assembly comprises a housing coupled to the piston rod and having a pilot chamber in communication with the connection passage; a main retainer coupled to the piston rod and having a main chamber formed on an upper portion thereof in communication with the connection passage; a first pilot valve coupled to the piston rod and disposed between the housing and the main retainer to partition the pilot chamber and the main chamber; and a second pilot valve coupled to the piston rod and disposed above the pilot chambe

Abstract: A system for monitoring usage of rail car brake equipment and determining whether the actual lifespan of the brake equipment is shorter than an expected lifespan had the brake equipment been used under normal or constant parameters. The system includes a sensor for collecting and outputting data indicating how the brake equipment has been actually used. A controller is programmed to receive the data regarding how the brake system component has been used and to calculate whether the brake system component has an estimated lifespan that is shorter than the expected lifespan. The sensor may comprise an ambient temperature sensor, a flow sensor that determines the air used by the braking system that includes the brake system component, and/or a pressure sensor that can determines how frequently and in what manner the brake system has been used.

Abstract: A method for controlling a hydraulic brake system for a motor vehicle to carry out a braking operation by means of at least one wheel brake includes, in a first step, a pressure buildup in the wheel brake, wherein hydraulic fluid is passed to a wheel brake via a normally open inlet valve. In a second step, a pressure reduction takes place in the wheel brake, wherein hydraulic fluid is discharged from the wheel brake via an energized normally closed outlet valve. The pressure reduction at the wheel brake is accomplished by means of control of the outlet valve in a predefined manner.

Abstract: A vehicle braking device includes: a brake fluid pressure generation device arranged in a storage chamber separated from a vehicle cabin; and a brake operation part mechanically connected to the brake fluid pressure generation device, the brake operation part being not provided in the vehicle cabin. The brake fluid pressure generation device includes a cylinder and pistons configured to slide inside the cylinder. The brake fluid pressure generation device is configured to generate brake fluid pressure in accordance with strokes of the pistons. The brake fluid pressure generation device is arranged such that a sliding direction of the pistons is along a direction different from the vehicle front-rear direction in a plan view.

Abstract: A vehicle braking system including a control unit (340) which is operable to communicate with at least one sensor (320, 350), the sensor (320, 350) being operable to provide signals corresponding to a characteristic of a vehicle to the control unit (340), and the control unit (340) being in communication with a brake demand source (300) to receive brake demand data, and the control unit (340) also being in communication with a plurality of wheel end units, each wheel end unit including a brake torque control unit (310) which is operable to control an associated brake actuator to apply a braking torque dependent upon a signal received from the control unit (340).

Abstract: An attachment structure for a vehicle motor is applied for the purpose of attaching a vehicle motor to in-vehicle equipment. The attachment structure for a vehicle motor is provided with an axial gap motor that includes a rotor and a stator facing each other in the axial direction. The motor is attached to the in-vehicle equipment in a mode in which the axial direction is perpendicular to the vertical direction.

Abstract: A hydraulic circuit for an adaptive park braking system and method of operation thereof. The method of operating an adaptive park braking system includes providing a vehicle having a motor, a front axle system, a rear axle system, wherein the front axle system has one or more front axle braking systems and the rear axle system has one or more rear axle braking systems. Identifying when the vehicle is engaged in a digging operation. Disconnecting the front axle system or the rear axle system from driving engagement with the motor of the vehicle. Activating the one or more braking systems of the disconnect axle system to apply an amount of force to the disconnected axle system of the vehicle. Then applying an amount of torque with the motor to the axle system in driving engagement with the motor.

Abstract: A locking system is provided for fall protection. The locking system includes a housing. The housing defines a guide path through which the housing is slideably attached to a guide member. The locking system also includes a braking lever having a braking surface and an attachment end. The braking lever is configured to rotate so as to allow a braking surface to engage the guide member. The locking system further include a locking lever that is rotatably coupled to the braking lever. The locking lever is rotatable such that it rotates from an unlocked position to a locked position. In the unlocked position an activation end of the locking lever is positioned in a first location that is proximate to the attachment end and in the locked position the activation end is positioned in a second position distant to the attachment end.

Abstract: A diagnostic method to identify a leak in a three-way valve for a vehicle brake system having a remote master cylinder which includes the steps of: (1) providing a pedal simulator having pressure medium; (2) de-energizing a secondary three-way valve; (3) retracting a dual acting plunger to the home position to drop the pressure in the boost circuit to zero while also monitoring the pressure at the output of a fluid separator via a secondary master cylinder pressure sensor; (4) determining a rate of pressure reduction at the output of a fluid separator via a secondary master cylinder pressure sensor; and (5) identifying a leak in at least one of a primary three-way valve and the secondary three way valve if the rate of pressure reduction is equal to or higher than a pre-determined rate.

Abstract: A brake system for a motor vehicle, having a first hydraulic brake device configured to brake wheels on a first axle of the motor vehicle, a first control unit configured to control the braking operation of the wheels on the first axle; and a second hydraulic brake device configured to brake the wheels on a second axle of the motor vehicle, and a second control unit configured to control the braking operation of the wheels on the second axle. The first control unit is coupled with the second control unit via a communication channel. The first control unit and the second control unit are each configured to receive data that are relevant for the control of the braking operation, the first control unit furthermore being configured to transmit a data signal on the basis of the received data via the communication channel to the second control unit.

Abstract: A tuned liquid damper, including a first outer housing having two ends, the first end being open to the atmosphere and the second end being connected by a conduit to a gas-filled second outer housing. The conduit may be adapted to allow gas flow between the second end and the second outer housing. The tuned liquid damper may also include first and second membranes, each attached to the inside of the first outer housing, and a sealed compartment within the first outer housing defined by the first and second membranes. The sealed compartment may be at least partially filled with a liquid, which prevents gas flow through the first outer housing from the first end to the second end.

Abstract: A cuboidal hydraulic block of a hydraulic power unit of a slip-controlled power vehicle braking system includes a power cylinder borehole, a receptacle for a pedal travel simulator in parallel to the power cylinder borehole, perpendicularly through two large sides of the hydraulic block, and perpendicularly to a master brake cylinder borehole. The master brake cylinder borehole extends, in parallel to an upper transverse side, from one longitudinal side of the hydraulic block to an opposite longitudinal side of the hydraulic block. In an intended installation and usage position, an electrical plug connection is situated beneath a lower transverse side of the hydraulic block.

Abstract: Provided is a rotary damper having a first valve provided in a first oil passage, the rotary damper including an oil chamber filled with oil; a vane located in the oil chamber; a groove which is formed in the vane and functions as a valve box of the first valve; a valve body of the first valve which moves while being in contact with a bottom surface of the groove; and an elastic body which applies elasticity to the valve body, and causes the valve body to come into contact with a wall surface of the oil chamber when the oil does not flow, in which the bottom surface of the groove is a slope, and thereby the valve body which is in contact with the wall surface when receiving oil pressure from one direction moves away from the wall surface when receiving the oil pressure from an opposite direction.

Abstract: A bogie and a rail vehicle, wherein the bogie includes: a framework, a wheel pair connected to the framework, a braking hanger fixed to the framework, a hanger slider used for fixedly connecting to a vehicle wheel braking clamp, and a transmission member; the hanger slider is connected to the braking hanger, and the transmission member is connected to the hanger slider; a first end of the transmission member extends to a side surface of a vehicle wheel in the wheel pair, and the transmission member is used to drive the hanger slider to move along the lateral direction with respect to the braking hanger when the first end is subjected to a thrust applied in the lateral direction by the vehicle wheel, so that the vehicle wheel braking clamp moves to a position corresponding to the vehicle wheel.

Abstract: A parking valve for manually actuating a spring-loaded parking brake, includes: a housing with a port that can be fluidically connected to a release chamber of a spring-loaded brake cylinder, a port that can be fluidically connected to a brake supply reservoir, and a ventilation port; a slide for manual actuation and which can be moved along a full section between two end positions inside the housing. The slide assumes positions along the full section, in which, as a result of at least one seal, there is no fluidic connection between the port to the release chamber and the ventilation port, and assumes other positions along the full section, in which, as a result of the at least one seal, there is no fluidic connection between the port of the release chamber and the port to the brake supply reservoir.

Abstract: A slack adjuster assembly and systems, components, and methods can comprise a sensing piston assembly that includes a housing, a piston slidably provided in the housing, and a biasing member provided in the housing. The biasing member can be configured to bias the piston away from an end wall of the housing. The piston can have an end wall opposite the end wall of the housing, where the end wall of the piston can have at least one orifice that extends from a first side of the end wall of the piston to a second side of the end wall of the piston.

Abstract: A control valve (12) for applying a spring-loaded brake pressure (p3b) to spring-loaded parts of a rear-axle wheel brake is provided. The control valve (12) is activatable pneumatically via a second control input (12b) with a parking-brake control pressure (p5). The parking-brake control pressure (p5) can act in such a manner on a control mechanism (14b, 15b, 17c, 22, 23, 24) arranged in a valve housing (12f) of the control valve (12) that a spring-loaded brake pressure (p3b) arises at a control output (12c) of the control valve (12) as a function of the parking-brake control pressure (p5) for bringing about a parking-brake braking specification with the spring-loaded parts of the rear-axle wheel brakes. The control valve (12) has a first control connection (12a) connectable to an adjustable first control chamber (14a), which is operatively connected to the control mechanism (14b, 15b, 17c, 22, 23, 24).

Abstract: A securement system for restricting rolling of a rollable cart residing on a ground surface includes a first mechanism including a first mechanism base defining a first cavity structured to receive a rolling element of the rollable cart therein while the rolling element is in direct contact with the ground surface. The first mechanism may also include a first mechanism blocking member operably coupled to the first mechanism base so as to be adjustably positionable to a closing position in which the first mechanism blocking member blocks a path of the rolling element out of the first cavity, and also to an opening position in which the first mechanism blocking member does not block the path of the rolling element out of the first cavity.