Abstract: A hybrid vehicle and a braking method thereof are provided. The braking method includes determining a current braking situation based on a brake depth and calculating an amount of braking demanded by a driver corresponding to the brake depth when the current braking situation is a general braking situation. A regenerative braking command is generated to execute regenerative braking and a friction braking command to execute friction braking based on the amount of braking demanded by the driver.

Abstract: The disclosure relates to a method for operating a braking device, in particular a parking brake device, which comprises an actuator having an electric motor that displaces an actuator element as desired into a brake application position or into a brake release position, wherein the electric motor is controlled in dependence upon a motor constant and an electrical resistance of the electric motor, characterized in that as the actuator element is displaced a prevailing motor input voltage and a prevailing motor current are ascertained, and that the motor constant and the electrical resistance are determined in dependence upon the ascertained motor input voltage and the ascertained motor current.

Abstract: An actuating device of a brake system controlled by a brake pedal and/or a brake management system for supplying brake circuits with pressurized brake fluid includes a master cylinder, an electric motor, a ball/nut screw transmission, a nut, a screw, and a free connection rod. The master cylinder is connected to the brake circuits and has a primary piston. The electric motor is controlled for a braking action. The ball nut/screw transmission is configured to transform rotary movement of the electric motor into a translational movement of the primary piston. The nut is blocked from moving in translation, free to rotate, and driven by the electric motor. The screw is free to move in translation but blocked from rotating. The free connection rod is pressed between a base of the primary piston and the screw in order to transmit a thrust of the screw to the primary piston.

Abstract: A fluid mount is provided having continuously variable characteristics for improving driving performance in which an automatic fluid opening and closing unit is installed between upper and lower fluid chambers. The fluid mount includes a core having a central bolt, engaged with an engine, inserted into a central portion of the core, and a rubber member formed on an outer circumferential surface of the core. The core and the rubber member are disposed in a bracket housing. The upper and lower fluid chambers and the automatic fluid opening and closing unit are installed between the upper and lower fluid chambers to continuously open and close a flow path through current change.

Abstract: A brake system for a motor vehicle, having a brake pressure source and at least one first wheel brake and at least one second wheel brake, which can be acted on with a brake pressure supplied by the brake pressure source. The first wheel brake is fluidically connected at a first inlet valve and at a first outlet valve, which is fluidically parallel to the first inlet valve, and at a first separating valve via the first inlet valve, and the second wheel brake is fluidically connected at a second inlet valve and at a second outlet valve, which is fluidically parallel to the second inlet valve, and at a second separating valve via the second inlet valve.

Abstract: A gas spring system (10), comprising: an end plate (12); a piston (14) laterally spaced from said end plate (12); a first flexible sleeve (16) having a first end (13) and a second end (15), said first end (13) of the first flexible sleeve (16) sealingly connected to the end plate (12); a second flexible sleeve (18) having a first end (17) and a second end (19), said first end (17) of the second flexible sleeve (18) sealingly connected to the piston (14); and a swage assembly (20) sealingly engaging the respective second ends (15, 19) of said first and second flexible sleeves (16, 18).

Abstract: An air spring includes: an outer cylindrical member; an inner cylindrical member; a diaphragm which couples the outer and inner cylindrical members and forms an internal space; a stopper assembly disposed in the internal space; and a pivoting mechanism which causes this stopper assembly to pivot on the inner cylindrical member. The stopper assembly has a stopper portion protruding towards the outer cylindrical member, and the outer cylindrical member has as a set four or more protrusion portions provided at a position to face the stopper portion and protruding toward the inner cylindrical member. Each of the protrusion portions belonging to the set is disposed successively and also different in height. Each of the protrusion portions belonging to the set is arranged without having a protrusion portion belonging to the set smallest in height adjacent to a protrusion portion belonging to the set largest in height.

Abstract: An electric brake device includes: a brake rotor; a friction member; friction member contactor; an electric motor; braking force estimation unit; and a control device. The control device has a control system in which a motor rotation angle of the electric motor is included in a state quantity in a control computing of a follow-up control. The control device includes a state quantity reset function unit that resets at least the motor rotation angle to a predetermined value, on the basis of a predetermined condition using at least one of a target braking force, an estimated value of a braking force, an amount of change of a target braking force, an amount of change of an estimated value of a braking force, and a deviation between a target braking force and an estimated value of the braking force.

Abstract: A vibration-damping device (1) of the present invention includes a tubular first attachment member (11), a second attachment member (12) that is attached to any one of a vibration generating portion and a vibration receiving portion, an elastic body (13) that connects the first attachment member and the second attachment member with each other, and a bracket (B) that is connected to the remaining one of the vibration generating portion and the vibration receiving portion and is press-fitted into the first attachment member. The second attachment member includes a stopper wall portion (14) which surrounds the first attachment member from radially outside. A penetration hole (11b) which is open toward the stopper wall portion is formed in the first attachment member, and a stopper elastic body (19) covering the penetration hole is installed on an inner circumferential surface of the first attachment member.

Abstract: Disclosed is a brake system. The brake system includes a pulsation attenuation device configured to attenuate pressure pulsation of brake oil discharged from a pump, wherein the pulsation attenuation device includes a first damping device, wherein the first damping device includes: a first damping member inserted into a first bore in communication with an in-port through which brake oil is introduced and an out-port through which brake oil is discharged and having a hollow formed therein; a second damping member inserted into the hollow to form a damping space between the second damping member and an inner circumferential surface of the first damping member; and a sealing member coupled to the first damping member and configured to seal the first bore, wherein the damping space is formed by a plurality of grooves formed in the hollow.

Abstract: An aircraft landing gear comprising an axle (100), a wheel (102) borne by the axle, a stack of discs (104) arranged to impose a braking torque on the wheel in response to a pressure imposed on the stack of discs, at least one electromechanical actuator (106) extending facing the stack of discs in order in a controlled manner to apply the imposed pressure to the stack of discs, and an actuator bearer (107) designed to bear the electromechanical actuator. The electromechanical actuator is fixed to the actuator bearer while at the same time being demountable. The actuator bearer is incorporated into the axle in such a way that the axle and the actuator bearer form a single component. There also is a method of demounting a stack of discs from such a landing gear.

Abstract: A hydraulic disc brake device includes a cover, a hydraulic unit, an oil tube and a disc brake unit. The cover includes at least one accommodating space, at least one oil route, a proximal end and a distal end. The distal end towards a moving direction of the bicycle. The hydraulic unit includes a hydraulic cylinder and a piston. The hydraulic cylinder is assembled in the accommodating space. The piston is assembled in the hydraulic cylinder for controlling a pressure of the oil route. The disc brake unit is connected with the oil tube and controlled by a pressure of the oil tube.

Abstract: Even when downstream stiffness in a brake hydraulic circuit changes due to variation in a caliper forming a part of a wheel cylinder, temperature, wear degree, and deterioration of a frictional pad, and/or the like, a brake control apparatus performs calculation processing for calculating a switching reference operation amount, switching operation amount deviation calculation processing for calculating a deviation from the switching reference operation amount, operation amount offset processing for offsetting a pedal operation amount detected by an operation amount detection unit, target hydraulic pressure calculation processing for calculating the target hydraulic pressure with use of the offset operation amount and a reference hydraulic characteristic, and control of the electric motor (21) according to the target hydraulic pressure.

Abstract: Pressure-sensitive valves are incorporated within a dampening system to permit user-adjustable tuning of a shock absorber. In one embodiment, a pressure-sensitive valve includes an isolated gas chamber having a pressure therein that is settable by a user.

Abstract: A pneumatic brake system (110) for a commercial vehicle (1) has one spring brake (27), a protection valve (56), a parking brake unit (30), a network of pipelines (40), at least a first (4) and a second (5) tank with compressed air and a relay valve (19) for the parking brake unit (30). A first subnetwork of pipelines (40a) comprises pipelines configured to be pressurized at all times. A second subnetwork of pipelines (40b) comprises at least one pipeline configured to be non-pressurized when the parking brake function is applied. The first subnetwork (40a) comprises pipelines establishing fluid communication between the tanks (4, 5) and the parking brake unit (30), wherein the direction of air flow in these pipelines is by at least one thereto associated valve (50). A method for managing an air flow to an air-actuated spring brake (27) of a pneumatic brake system (110) is disclosed.

Abstract: An operating switch for commanding actuation of an electric parking brake mechanism includes two input terminals and two output terminals, a pair of two wirings for each input-terminal/output-terminal pair of the two input terminals and the two output terminals, each of the wirings being located between the input terminals and the two output terminals, a first switch element provided for the input terminals or the output terminals, and configured to switch connections to the two wirings, according to a command for the actuation, and a second switch element connected to one wiring of the two wirings that connects the input terminals and the output terminals when the command for the actuation given to the first switch element is set to a mode of non-operation. The second switch element is configured to switch connections to the two output terminals or the two input terminals, according to the command for the actuation.

Abstract: A control arrangement for a frequency-dependent damping valve having a control pot and an axaially displaceable control piston that axially limits a control space in the control pot and is connected to the damping valve device via an inlet connection. A spring element is arranged between the control piston and the damping valve that introduces a spring force axially into the control piston and the damping valve. When the control piston displaces towards the damping valve and the spring element increases the pressing pressure of the valve disks to increase the damping force. An axial position of a stop in the control arrangement is adjusted by plastic deformation of the pot base. A deformation portion produced by the plastic deformation and a depression partially receives the guide bush. A cross section of the depression corresponds to an outer cross section of the guide bush received in the depression.

Abstract: A method and apparatus for a damper. The damper comprises a fluid chamber having a piston dividing the chamber into a compression and rebound sides, a reservoir in fluid communication with the compression side of the chamber, and an isolator disposed between the compression side and the reservoir, whereby the isolator obstructs fluid flow between the compression side and the reservoir. In one embodiment, a bypass provides a fluid path between the compression side and the isolator.

Abstract: A method for operating a hydraulic brake system of a motor vehicle includes checking a functional capability of the brake system by detecting a plurality of idle travel values of an actuator before the actuator generates a clamping force, and comparing the idle travel values with a plurality of expected idle travel values of the actuator that are determined as a function of an actuation of a pressure generator. The brake system includes a wheel brake having a brake piston, a brake pedal device, the pressure generator configured to generate a pressure generator force that moves the brake piston in order to active the wheel brake, and the actuator assigned to the wheel brake and configured to generate an actuator force that moves the brake piston in order to activate the wheel brake. The pressure generator and the actuator are actuated such that together they generate a total clamping force.

Abstract: A vehicle braking system includes a wheel cylinder, a master cylinder, a brake pedal operable to transmit a user input force to the master cylinder, a primary braking unit including a first electronically controlled pressure generating unit distinct from the master cylinder and operable to generate a braking force at the wheel cylinder in a first mode of operation, a secondary braking unit including a second electronically controlled pressure generating unit distinct from the master cylinder and operable to generate a braking force at the wheel cylinder in a second mode of operation and a pedal feel simulator operable to provide feedback to the brake pedal according to a fixed characteristic of the pedal feel simulator defining a predetermined force-stroke relationship relating a travel distance of the brake pedal to the user input force.