Abstract: Provided are mechanisms and processes for a brake system for an assistive mobility device. Systems include a frame configured to provide support for a user, a plurality of wheels coupled to the frame and configured to enable motion of the frame, a plurality of brakes coupled to the plurality of wheels and configured to provide resistance to a rotation of the plurality of wheels when engaged. Systems also include a first handle coupled to the frame and configured to be grasped by the user. The first handle includes a first rotatable grip and a first rotational torque generator coupled to the plurality of brakes. Systems also include a second handle coupled to the frame and configured to be grasped by the user. The second handle includes a second rotatable grip a second rotational torque generator coupled to the plurality of brakes.

Abstract: In some examples, an assembly includes a rotor drive key configured to fit around a wheel boss defined by a wheel of a vehicle. The rotor drive key includes a support member. The assembly further comprises a fastener configured to extend through the wheel boss and the support member in a substantially axial direction of the wheel when the rotor drive key is fit around the wheel boss. A fastening member is configured to engage with a portion of the fastener extending beyond the support member.

Abstract: A spring brake actuator for applying a brake of a vehicle includes a housing containing a diaphragm that separates the housing into first and second chambers. A clutch actuator device is for selectively compressing a compression spring such that the spring brake actuator is operable in a plurality of states including a parking state, driving state, and a braking state.

Abstract: A brake device for installation on an axle of wheels including a piston; a casing accommodating at least the piston; a container; a first cast iron disc and a second cast iron disc, joined to the container; a first brake lining; a first supporting disc on which the first brake lining is located; and a bearing fixed to the central cylindrical wall of the container around the axle. The container and the casing remain fixed without rotating about the axle and the first brake lining together with the first supporting disc are fixed to the axle. The piston is further configured to displace the container together with the two cast iron discs towards the first brake lining until the first cast iron disc makes contact with the first brake lining. The container includes an inner circuit configured to accommodate a coolant.

Abstract: A vibration-damping device (10) of the present invention includes a first attachment member (11), a second attachment member (12), an elastic body (13), and a partition member (16). In the partition member, a restriction passage (24) through which the first liquid chamber (14) and the second liquid chamber (15) communicate with each other is formed. The restriction passage includes a first communicating portion (26) which opens to the first liquid chamber, a second communicating portion (27) which opens to the second liquid chamber, and a main body flow passage (25) through which the first communicating portion and the second communicating portion communicate with each other. At least one of the first communicating portion and the second communicating portion includes a plurality of fine holes (26a) which are disposed in a flow passage direction of the main body flow passage.

Abstract: A rubber bush with an inner part (2) which extends in an axial direction (x), an outer sleeve (3) which surrounds the inner part (2) at a spacing and comprises two half shells (4, 5) which are configured as identical parts, and a rubber body (6) which is arranged between the inner part (2) and the outer sleeve (3), wherein the half shells (3, 4) are connected to the inner part (2) by the rubber body (6) and, at their circumferential-side ends which face one another, have projections (7, 8) and depressions (9, 10), into which the projections (7, 8) are insertable.

Abstract: The abutment of a drum brake is formed from a solid material which deforms under load, wherein measurement devices are provided which detect this deformation. The abutment has two limbs, on which the brake shoes are supported. The changing distance between the two brake shoes under load is determined by detecting the distance between extension rods on the limbs by a measurement device comprising magnets and Hall sensors or AMR sensors.

Abstract: A brake release mechanism for a spring brake actuator includes a brake release bolt having a threaded portion, a running engaging the threaded portion, the running nut being adapted to axially travel along the threaded portion in order to move a spring brake actuator piston against a force of an actuator power spring, an indicator device comprising an indicator pin being at least partially accommodated in a receiving space of the release bolt, wherein the indicator device further comprises a pin actuator for axially moving the pin relative to the receiving space. It is proposed according to the invention that the pin actuator comprises an indicator cap being attached to the pin, the indicator cap comprising a basic body and at least one spacing element being attached to the basic body, the spacing element being configured to abut against the running nut.

Abstract: Disclosed herein is an electric brake system including: a hydraulic feeder configured to move a piston forward or backward according to a pedal effort from a brake pedal to discharge oil; a motor position sensor configured to measure a position of the piston; and a controller configured to control, when an Anti-lock Brake System (ABS) control starts, a change in direction of the piston based on predicted displacement information of the piston while the ABS control is performed such that the piston is at a target position at target vehicle speed.

Abstract: An electronically controlled pneumatic (ECP) overlay control valve can selective switch between a conventional pneumatic mode and an ECP mode. In ECP mode, the overlay control valve shunts the brake cylinder pressure of the pneumatic control valve which allows a relay valve to build or exhaust pressure in the brake cylinder in response to an electronically controlled apply/release circuit. In conventional pneumatic mode, the overlay control valve disconnects the relay valve and allows a conventional pneumatic control valve to control the pressurization and exhausting of the brake cylinder.

Abstract: A method for controlling vehicle motion is described. The method includes: comparing a measured acceleration value associated with a movement of a vehicle component of a vehicle with a predetermined acceleration threshold value that corresponds to the vehicle component, wherein the vehicle component is coupled with a frame of the vehicle via at least one vehicle suspension damper; monitoring a state of at least one valve within at least one vehicle suspension damper of the vehicle, wherein the state controls a damping force within the at least one vehicle suspension damper; and based on the comparing and the monitoring, regulating damping forces within the at least one vehicle suspension damper by actuating the at least one valve to adjust to a desired state, such that an acceleration of the frame is reduced.

Abstract: The invention relates to an axle-mounted brake disk for a rail vehicle, comprising two friction rings which are arranged in parallel and at a distance from each other and are interconnected by a plurality of ribs extending in the direction of the rotational axis of the friction rings, where at least some of the ribs are embodied with different cross-sections from each other, where the cross-sections of a first subset of the ribs, embodied as supporting elements transmitting pressure forces, do not fall below a minimum cross-section, defined by the stability required in relation to the mechanical load during a brake process, and the cross-section of a second subset of the ribs, used to radiate thermal energy, falls below the minimum cross-section.

Abstract: A fluid-filled vibration damping device including: primary and auxiliary liquid chambers; a partition provided between the two chambers; and a movable plate supported movably in a plate thickness direction thereof by the partition. The movable plate receives liquid pressure of the two chambers on its opposite faces so as to constitute a liquid pressure absorber. The partition includes at least one communication hole opening onto its surface facing the movable plate. The movable plate includes at least one elastic protrusion projecting toward the communication hole. The elastic protrusion includes a peripheral wall to be pressed in compression and shear directions and be elastically deformed to a radially inner side of the communication hole as well by coming into contact with a wall portion of the communication hole due to movement of the movable plate in the plate thickness direction.

Abstract: The reverse input cutoff clutch comprises a pressed member having a pressed surface, an input member arranged coaxially with the pressed surface and having an input-side engaging portion arranged radially inside the pressed surface, an output member arranged coaxially with the pressed surface and having an output-side engaging portion arranged more radially inside than the input-side engaging portion, and an engaging element arranged radially inside the pressed surface and having a pressing surface facing the pressed surface, an input-side engaged portion that engages with the input-side engaging portions, and an output-side engaged portion that engages with the output-side engaging portion. The output-side engaged portion is configured by a recessed portion, and the interior surface of the recessed portion has a pair of guided surfaces. The output-side engaging portion has a pair of guide surfaces facing the pair of guided surfaces.

Abstract: A gear system includes a gear unit and an electromagnetically actuable brake, the brake having a coil core that is connected to a brake surface part in a torsion-resistant manner. The brake surface part is connected to a bearing flange, its bearing mount in particular delimiting a free space. The bearing flange is connected to a cover part which is connected to a housing part of the gear unit, and a shaft is supported in the housing part via at least one bearing. A driver is connected to the shaft in a torsion-resistant manner, the driver having an external tooth system that is in engagement with an internal tooth system of a brake pad carrier such that the brake pad carrier is connected to the shaft in a torsion-resistant yet axially displaceable manner. An armature disk, which is disposed in a torsion-resistant yet axially displaceable manner with respect to the coil core, is situated between the coil core and the brake pad carrier.

Abstract: An adjustment device for a disc brake is operable for adjusting brake pads to compensate wear. The adjustment device includes a guide sleeve in which a wrap spring is arranged a groove ring surrounding the guide sleeve and coupled to a closure cap via a torsion spring, and an opening ring surrounding the groove ring.

Abstract: Systems and methods for reducing slack in a linkage chain of a vehicle truck assembly is provided. In one example, a method includes compressing a vehicle suspension by actuating an actuator with a cylinder abutted to a piston rod, the piston rod coupled to the vehicle suspension and, when deactivating the actuator, maintaining at least nominal compression on the vehicle suspension with the piston rod spaced away from a piston of the cylinder via a biasing member, the piston configured to slide within the cylinder along a central axis of the cylinder.

Abstract: An electromagnetic valve whose inlet and outlet ducts are oriented transversely with respect to the valve holding bore in the valve carrier, wherein the outlet duct opens out, at a distance from the discharge of the filter element, in a portion of the valve holding bore in which the filter element has a closed sleeve portion, in order to achieve a noise reduction through targeted diversion of the flow in the direction of the outlet duct.

Abstract: A restricted passage (24) of the present invention includes a first communication part (26) which is open to a first liquid chamber, a second communication part (27) which is open to a second liquid chamber, and a main body flow path (25) which allows the first communication part (26) and the second communication part (27) to communicate with each other, the main body flow path (25) includes a swirl chamber (34) that generates a swirling flow of the liquid according to a flow velocity of the liquid from the other of the first communication part (26) and the second communication part (27), and the swirl chamber (34) is disposed to be spaced apart from one of the first ID communication part (26) and the second communication part (27).

Abstract: A liquid filled bushing assembly includes an inner tubular member (11), an outer tubular member (12) disposed in a coaxial relation to the inner tubular member, and an elastic member (13) interposed between the inner tubular member and the outer tubular member, wherein not only the stiffness of the liquid filled bushing assembly in the lateral directions can be freely selected but also the stiffness of the liquid filled bushing assembly in the rotational direction and/or the axial direction can be freely selected.