Abstract: An electro-mechanical actuator assembly for actuating a brake actuator includes an actuation mechanism configured to convert a rotational driving movement into a translational driven movement in a direction of a first longitudinal axis, and a transfer mechanism operatively coupled to the actuation mechanism to receive and transfer the translational driven movement at least in the direction of the first longitudinal axis. The actuation mechanism is a spindle-spindle nut mechanism, wherein a spindle of the spindle-spindle nut mechanism extends along the first longitudinal axis and is rotationally supported about the first longitudinal axis while being axially fixed, and wherein the spindle nut is configured to be axially moveable with respect to the first longitudinal axis while being rotationally fixed.

Abstract: A park brake actuator, comprising: a housing; a piston comprising a piston rod and a piston head, the piston being provided in the housing; a spring, wherein the spring is arranged between the piston head and one side of the housing; an opening in the housing in which the piston rod is movably inserted; a fluid chamber being provided between the piston head and a side of the housing, wherein fluid is insertable into a fluid space, wherein the piston comprises at least one first guiding element which is adapted to guide the piston rod in the opening, and; at least one first seal between the piston rod and the opening.

Abstract: A method for calibrating a flow meter includes a method step of generating an intermittently dynamic flow profile in a line, where the flow profile shows a continuous increase in flow within a first time interval. The method also includes determining the flow profile using a reference flow meter during the first time interval, where a time value is assigned to a measured flow value and the time value is determined by means of a reference clock. The method also includes determining the flow profile using the flow meter during the first time interval, where a time value is also assigned to a measured flow value and the time value is determined by means of a flow meter clock. The method also includes adapting the flow profile determined using the flow meter, to the flow profile determined using the reference flow meter within the first time interval.

Abstract: A braking system for a vehicle, includes: a rotatory braking element that is fixedly connected to a wheel or wheel axle in a manner to rotate conjointly with the wheel having a rotational plane, a stationary braking element that is fixedly connected relative to a vehicle chassis so as not to rotate conjointly with the wheel, a first brake actuator that is configured to actuate the stationary braking element so as to urge the stationary braking element towards the rotatory braking element, a second brake actuator that is configured to actuate the stationary braking element so as to urge the stationary braking element towards the rotatory braking element, and a lever that is configured such that it transfers a force exerted by the first brake actuator or the second brake actuator to the stationary brake element.

Abstract: A brake assembly includes a brake disc rotatable about a rotational axis, a service brake assembly with a service brake pad and configured to apply a service brake force on a radial surface side of the brake disc, wherein the service brake pad is axially moveable with respect to the rotational axis and has a service brake braking surface facing the radial surface side of the brake disc to apply the service brake force, a park brake assembly with a park brake pad and configured to apply a park brake force on the or another radial surface side of the brake disc, wherein the park brake pad is axially moveable with respect to the rotational axis and has a park brake braking surface facing the or the other radial surface side of the brake disc to apply the park brake force.

Abstract: A braking system and method of providing a braking system includes: a rotatory braking element that is fixedly connected to a wheel or wheel hub in a manner to rotate conjointly with the wheel, a stationary braking element that is fixedly connected to a vehicle chassis, a brake actuator that is configured to actuate the stationary braking element so as to press the stationary braking element towards the rotatory element, a lever that is configured so as to transfer a force exerted by the brake actuator to the stationary brake element, wherein a pivot axis of the lever is in parallel with a rotational plane of the rotatory braking element and perpendicular to a horizontal caliper plane that is a plane that is oriented tangentially of the rotatory brake element, and an actuator axis is in parallel with the rotational plane and the horizontal caliper plane.

Abstract: An electromechanical brake system has a brake actuator with a power transmission for transmitting an actuating force to a brake pad. The power transmission includes a rotatable shaft, a coupler with a locking element, wherein the coupler can be controlled so that the locking element is engaged with the rotatable shaft and blocks its rotation or so that the locking element is disengaged from the rotatable shaft so that the rotatable shaft can be rotated. The brake system has a first receptacle into which a first tool can be inserted so that it engages with the rotatable shaft and transmits a rotation on the rotatable shaft.

Abstract: A parking brake apparatus is provided for a vehicle including a vehicle drive train that extends between a vehicle propulsion engine and a vehicle wheel. The parking brake apparatus comprises a wheel drum located away from the vehicle wheel and fixedly attached to a drivetrain shaft that extends along a portion of the vehicle drive train between the vehicle propulsion engine and the vehicle wheel. The parking brake apparatus also comprises activatable drum brake components disposed in an interior chamber of the wheel drum. When activated, the drum brake components apply a clamping force to the wheel drum to prevent the wheel drum and the drivetrain shaft fixedly attached thereto from rotating and thereby preventing the vehicle wheel from rotating to provide the vehicle with a parking brake functionality.

Abstract: A park brake caliper for a utility vehicle has an actuating unit, which is adapted to move a push rod, wherein the push rod is pre-tensioned by a tensioning device in one direction, but is adapted to be pressed in the opposite direction by a pneumatic, hydraulic, electromechanical or magnetic force, and an application unit which includes a brake lever, which is pivotably supported around a pivot axis and which is adapted to rest at the push rod at one side and at a bridge on the other side via an excenter. The application unit is adapted to be positioned around an axle of a utility vehicle. The bridge is adapted to press at least one brake pad against a brake disc of the utility vehicle. The lever points downwards towards the axle in all of its positions. A brake system is disclosed, where the park brake caliper and a service brake caliper are radially spaced from each other.

Abstract: A method for determining a quality of a wireless transmission of data packets of a field device via a wireless communications interface to a higher-level unit comprises sending the data packets via the wireless communications interface to the higher-level unit, wherein the data packets are sent intermittently; receiving the data packets through the higher-level unit; checking whether the time duration between two data packets received by means of the higher-level unit, a size of the respective data packets, and/or information stored in the respective data packets fulfills a criterion; and determining a communications status depending upon the check and optional output of the communications status.

Abstract: A brake assembly has first and second brake pads, a brake caliper, a brake caliper guide configured to guide a relative movement of the brake caliper in a braking direction, and an actuating member operatively connected to the first brake pad and configured to move the first brake pad into a braking direction by being translationally or rotationally driven. The operative connection between the brake caliper and the first brake pad includes a transfer mechanism configured to move the brake caliper in an opposite direction of the moving direction of the first brake pad in the braking direction. The transfer mechanism is operatively connected to the brake caliper guide for a relative movement of the brake caliper with respect to the brake caliper guide. The actuating member is configured to drive the transfer mechanism for the opposite movement of the brake caliper along the brake caliper guide with respect to the first brake pad being moved in the braking direction.

Abstract: A brake actuator and an operation device are disclosed, wherein the brake actuator can be operated externally respectively manually by the operation device, which is attachable to the brake actuator.

Abstract: A steering knuckle of a utility vehicle, composed of a cast material, has a main body, a steering knuckle bearing, a hub-type, cup-shaped receiving portion, open towards a rim of a vehicle wheel and suitable for receiving an anti-friction bearing and a bearing journal, and a pad-receiving portion for receiving a brake pad. The pad receiving portion has a support and two supporting elements provided one behind the other in the rotational direction of the vehicle wheel. A control arm attachment for linking an axle guide is formed on the main body.

Abstract: A method adjusts the slack of a brake assembly having a brake disc, a brake pad, an actuator with an output shaft driven in a forward direction to bring the brake pad and brake disc into frictional engagement defining a braking position and a reverse direction to disengage the brake pad and brake disc and to move the brake pad into a rest position, and a slack adjuster for adjusting a predetermined axial slack distance between the brake pad and the brake disc. The brake pad is moved from the rest position in the reverse direction into a predetermined reference position, and an adjustment of the axial slack distance between the brake pad and brake disc is initiated.

Abstract: A brake actuator is disclosed having a transfer element configured to be moved along an actuating direction and to actuate a brake by moving into at least one actuating position; an actuating mechanism configured to move the transfer element into the at least one actuating position to actuate the brake, wherein the actuating mechanism is configured to be movable along the actuating direction; and a distancing mechanism configured to move the actuating mechanism from a non-operating position into an operating position along the actuating direction. The transfer element and the actuating mechanism are configured such that the transfer element is located in the actuating position when the actuating mechanism is located in the non-operating position.

Abstract: A brake assembly includes a brake disc in rotational engagement with a wheel of a vehicle, a brake pad which frictionally engages the brake disc in a dynamic braking operation and a parking brake operation, a dynamic actuator adapted to bring the brake pad and brake disc into the frictional engagement in the dynamic braking operation, and a parking brake actuator associated with the dynamic actuator such that, in the parking brake operation, the frictional engagement of the brake disc and brake pad is maintained.

Abstract: A commercial vehicle includes at least one driven axle, a service brake, at least one propulsion engine, and wheels. A parking brake function of the vehicle is achieved by a bistable locking means that acts on both wheels. A first and second multi-speed gearbox having respective first and second gear stages are each activated by an actuator and coupled to the wheels. The parking brake function is achieved at least in-part by concurrently activating the first and second gear stages. A computing device is configured to activate the bistable locking means when the commercial vehicle is at a standstill and configured to send a brake request via an electronic signal to an electronic brake control unit to activate the service brake.

Abstract: An actuator for a wheel brake unit of a vehicle is disclosed, wherein the actuator has an actuation element for performing an actuation, and is configured to receive, through a power supply, a power for performing the actuation. The actuator is characterized by a detection unit, configured to receive a control signal and to detect a power shortage indicative of an emergency situation, and to generate an emergency signal if the control signal is received or if the power shortage is detected, as well as by a backup energy storage, configured to store energy sufficient for causing the actuation element to perform a complete brake actuation at least once and, upon receiving the emergency signal, to provide at least a part of the energy needed by the actuation element to perform the actuation.

Abstract: A parking brake apparatus is provided for a vehicle including a vehicle drive train that extends between a vehicle propulsion engine and a vehicle wheel. The parking brake apparatus comprises a wheel drum located away from the vehicle wheel and fixedly attached to a drivetrain shaft that extends along a portion of the vehicle drive train between the vehicle propulsion engine and the vehicle wheel. The parking brake apparatus also comprises activatable drum brake components disposed in an interior chamber of the wheel drum. When activated, the drum brake components apply a clamping force to the wheel drum to prevent the wheel drum and the drivetrain shaft fixedly attached thereto from rotating and thereby preventing the vehicle wheel from rotating to provide the vehicle with a parking brake functionality.

Abstract: An electromechanical brake system includes a brake actuator having a power transmission for transmitting an actuating force to a brake pad, the power transmission including a rotatable shaft. A coupler with a locking element can be controlled so that the locking element is engaged with the rotatable shaft and blocks its rotation or so that the locking element is disengaged from the rotatable shaft so that the rotatable shaft can be rotated. The brake actuator has an interface configured to be connected to the locking element and to engage or disengage the locking element from the rotatable shaft.