Abstract: A valve sealing device for a tilting-armature valve, including: a sealing body having a first surface configured to close in a fluid-tight fashion a valve seat and/or an opening in a valve; and a retaining body which is arranged on a surface of the sealing body which is opposite the first surface, and is configured to secure the valve sealing device in and/or on a cutout in a valve, in particular in a cutout in a tilting armature of a tilting-armature valve, in particular in which the sealing body and/or the retaining body is essentially cylindrical in shape. A related method to make the valve sealing device and a tilting-armature valve that includes the valve sealing device are also described.
Abstract: A service brake device for vehicles is provided which permits rapid venting of a service brake pressure chamber. The service brake device includes at least one pneumatic service brake device with at least one piston and/or a diaphragm. The piston and/or diaphragm delimits the service brake pressure chamber on one side which can be supplied with compressed air from a brake line for applying the service brake and can be purged of compressed air for releasing the service brake, delimits a spring chamber on the other side which receives a spring that prestresses the piston and/or the diaphragm in the release position of the service brake. The pressure chamber includes a pressure connection communicating with the brake line.
Abstract: A compressed air system for a motor vehicle with an air supply system, including: an electric drive motor, which can be controlled for variable speed, an air compressor coupled to be driven by the electric drive motor, an electric power supply for supplying electric power to the electric drive motor, at least one air reservoir connected with the air compressor to receive air from the air compressor, an air utilization system connected to the at least one air reservoir to receive air from the at least one air reservoir, a controller to control the speed of the electric drive motor. The controller controls the electric drive motor to determine the speed of the electric drive motor so that during filling of the air reservoir, when the pressure level in the air reservoir passes a setpoint that is between a minimum level and a higher cut off pressure level, the controller changes the compressor speed so that specific power consumption per unit mass of air compressed is decreased.
Abstract: An actuating device is provided for a manual transmission having at least one clutch unit of a commercial vehicle. The actuating device includes transmission-actuating elements for the mechanical actuation of the manual transmission and clutch actuating elements for the fluidic actuation of the clutch unit. At least two actuating cylinders as transmission-actuating elements for actuating the manual transmission coupled thereto and at least one compressed-air connection as a clutch-actuating element for actuating the clutch unit connected thereto are arranged in a common carrier housing.
Abstract: An electronic circuit arrangement, by which a line termination or terminating resistor of a serial bus, for example a CAN bus, is implemented in a switchable manner and can be electronically connected or disconnected by electronically operating switching elements and a microcontroller, or a computer port of the latter, which is present in an electronic control unit.
Abstract: A circuit arrangement for detecting a solenoid valve type in vehicles, including at least one solenoid valve in the circuit arrangement for detecting the solenoid valve type and having at least one coil winding having a resistance of the typical order of magnitude for a predetermined vehicle electrical distribution system supply voltage, a constant current source, arranged to impress a predetermined measurement current into the one coil winding of the solenoid valve, a current mirror circuit, arranged to generate a second voltage on a detection section of the circuit arrangement from a first voltage produced as a result of the impressed measurement current on the at least one coil winding of the at least one solenoid valve, in which the second voltage produced on the detection section is passed out, on the detection section, directly to a microcontroller in a control device for determining the type of solenoid valve.
Abstract: A sliding caliper disk brake is provided, in which a stationary brake carrier configured to carry a brake caliper includes two pairs of carrier horns, one pair of which supports a reaction-side brake pad and one pair of which supports an application side brake pad. The spacing between the reaction-side pair of carrier horns is larger than the spacing between the application-side pair of carrier horns. The reaction-side brake pad and reaction-side pair of carrier horns may be shorter than the corresponding application-side brake pad and carrier horns. The arrangement of the brake carrier, the brake caliper and the brake pads permits reduction in disk brake weight, cost and brake carrier stresses while providing desired brake thermal, mechanical and service life performance.
Abstract: A braking system and a method of operating such a braking system are provided for a vehicle having at least partly electric braking, a steering device containing an electric or electromechanical steering device, an electronic steering controller and an electric steering adjuster and containing a service brake device. The system includes an electropneumatic service brake device containing an electropneumatic service brake valve device, an electronic brake controller, electropneumatic modulators, pneumatic wheel brake actuators, a service brake actuating element, and at least one electric channel (130) with at least one electric brake value transmitter which senses activation of the service brake actuating element. The at least one electric brake value transmitter produces actuation signals which are relayed to the electronic brake controller.
Abstract: A disc brake for a vehicle, in particular for a commercial vehicle, includes a brake carrier which receives at least two brake pads in respective clamping side and rear side pad slots, with the at least one brake pad on the clamping side being held in its pad slot in a form-fitting manner. The at least one brake pad on the clamping side is provided with at least one pad retaining spring which is supported at least on a brake carrier horn of the pad slot of the brake carrier. The at least one clamping spring exerts a tensile force acting radially outward on the brake pad. A brake pad set for the disc brake is also provided.
Abstract: A brake pad of a disk brake, includes at least one friction pad attached to a pad carrier and has a locking device, which is arranged on the pad carrier and which has a spring element and a securing element. The spring element and the securing element of the locking device are coupled to each other in a form-closed manner as two separate parts and can be pivoted in relation to each other. A disk brake is equipped with such brake pads.
Abstract: A compressor has a crankcase in which a crankshaft is rotatably mounted in a crankspace. The crankcase contains at least one cylinder space in which a piston, mounted eccentrically on the crankshaft by way of a connecting rod, can be driven in reciprocating motion. The crankshaft is connected, via a gearing having a modulus m, to a drive source, wherein the gear wheel arranged on the crankshaft engages with the gear wheel on the drive source. The axis of rotation of the crankshaft is offset with respect to the center axis of the cylinder space by an amount dl which is a whole multiple of m/2. The center axis of the cylinder space is understood as the axis which proceeds from the center point of the base area of the cylinder space, perpendicular to this base area, and along which the piston moves.
Abstract: A device for conserving power is provided in a piston compressor, in particular a piston-compressor for generating compressed air in a motor vehicle and having a piston delimiting a compression chamber for generating compressed air, which, originating from the ambient environment, arrives in the compression chamber for compression by way of at least one suction connection formed on a cylinder head cover and an intake valve array arranged on a valve plate. For the purpose of conserving power, a pressure-dependently acting idling device is provided for the intake valve array having a dedicated suction lamella, which can be rotated by an actuator between a working position overlapping at least one suction opening and an idling position unblocking, at least in part, the at least one suction opening.
Abstract: A brake disc-hub connection is provided, wherein a hub has drivers, which extend from a wheel flange of the hub in the axial direction relative to a rotational axis common to a brake disc and the hub and engage in a toothed manner between supporting elements, which are arranged on the inner circumference of a brake disc and extend in the direction of the rotation axis. Lateral flanks of the drivers are oriented radially to the rotation axis and lateral flanks of the supporting elements are oriented parallel to the lateral flanks of the drivers. The lateral flanks of each of the drivers are oriented at an angle of 15° to 30° to each other.
Abstract: A lining wear adjustment device for a disc brake with a brake application device having a brake actuating lever, which can preferably be inserted into an adjustment spindle of the disc brake, includes an adjusting shaft with an external bearing, a rotary drive element and a clutch device for switchable coupling of the rotary drive element to the adjusting shaft. The clutch device is an electrically controllable solenoid clutch with at least one electromagnetic coil.
Abstract: A brake caliper is provided for a disc brake. The brake caliper has a caliper frame which is designed to extend over an edge of a brake disc and which includes a housing for accommodating an application mechanism for applying the disc brake. The housing has a base plate, an intermediate plate, a housing shell interconnecting the base plate and the intermediate plate, and a housing cover. The caliper frame is cut from sheet metal and shaped and the housing cover is integrally formed with the caliper frame.
Abstract: A disc brake has a brake caliper which straddled a brake disc and is mounted on a stationary brake carrier so as to be axially movable in relation to the brake disc. Brake pads which are placed in the brake caliper can be pressed against the brake disc by a brake application mechanism during a braking operation. In order to be axially movable, the brake caliper is mounted on at least one guide bar that is connected to the brake carrier. A device is provided for optically detecting wear of a brake disc and/or a brake pad. In order for wear to be detectable, a comparative element which runs parallel to the guide bar, extends away from brake disc, and includes at least one step, is mounted on the brake carrier.
Abstract: A seal ring is provided for axially sealing two parts arranged so as to be able to move axially with respect to one another. The seal ring has two sealing lips which are arranged circumferentially on an axial first end side of the seal ring. In this context, the sealing lips are designed such that they can be spread apart from one another by a first fluid pressure of a first fluid volume to bear in a sealing manner against mutually opposing sealing faces of a first of the parts. The seal ring also has a sealing projection which is arranged circumferentially on a second end side of the seal ring, oriented axially away from the first end side.
Abstract: A pad retaining spring for a brake pad on a disc brake includes a spring section which can be mounted captively and so that it can be radially deflected at an edge of the pad carrier plate. The lining retaining spring has a partial section designed as a clamping section which extends at an angle from one end of the spring section of the pad retaining spring. A brake pad retainer for a disc brake on a motor vehicle is also provided.
Abstract: A method/device for controlling a traction vehicle-trailer brake device, a trailer with an unactivated service brake is detected, and when a predetermined pushing effect is reached/exceeded a trailer brake system is activated to generate a braking force when the service brake is unactivated, in which the first parameter is a) consumption of an operating medium, and/or b) torque generated by a drive machine/driven wheel, and/or c) signal representing the traction vehicle/trailer's longitudinal deceleration, and/or d) the speed/acceleration at which an activation element is activated toward lower velocities, and/or e) a difference/quotient of a target traction vehicle speed, and an actual traction vehicle speed is used if the traction vehicle having an infinitely variable transmission, and provides infinitely variable adjustment of the transmission ratio, and f) the control device detects that the predetermined pushing effect of the trailer is reached/exceeded if a first parameter predetermined limiting value i
Abstract: A device for controlling an actuator or solenoid valve output stage, for a vehicle, including: an enable terminal to receive an enable signal via an interface to an application unit, the enable signal assuming an enable state to enable output stage control and a disable state to disable such control; a first suppression terminal to receive a first suppression signal via an interface to a monitoring unit, the first suppression signal assuming a first authorization state for authorizing output stage control and a first suppression state for suppressing such control; a second suppression terminal to receive a second suppression signal via an interface to a second monitoring unit, the second suppression signal assuming a second authorization state for authorizing output stage control and a second suppression state for suppressing such control; an output terminal as an interface to the output stage; and a linking unit to provide a control signal for controlling the output stage to the output terminal if the enable