Continental Teves, Ag and Company Ohg

Continental Automotive Technologies Gmbh

Schaeffler Technologies Ag & Co. Kg

Laudenbach Formtechnik Gmbh & Co. Kg

Jens Hoffmann

Uwe Bach

Ahmed Sefo

Holger Von Hayn

Wolfgang Ritter

Martin Gädke

Adrian Messner

Matthias Schulitz

Martin Semsch

Ulrike Meyer

Christian Vey

Martin Kruse

Falk Petzold

Hermann Winner

Manfred Rüffer

Jürgen Böhm

Johann Jungbecker

Peter Stauder

Paul Linhoff

Christian Philipp

Christof Maron

Jürgen Balz

Ralf Sundheim

Götz Mehner

Hans-Peter Metzen

Stephan Becker

Volker Van Aken

Niclas Görrissen

Martin Spornraft

Matthias Töns

Vincent Vahee

Dragan Stojkovic

Olivier Frament

Thorsten Lahr

Thomas Stahl

Phil Lohfink

Franz Laudenbach

Sébastien Pla

Martin GÄDKE

Manfred RÜFFER

Niclas GÖRRISSEN

Ralph Brandstaedter

Lennart Guckes

A method for controlling an electromotive drive of a motor vehicle. At least one of the motor vehicle wheels can be driven by an electric motor of the electromotive drive and the electromotive drive has at least one energy source for the electric motor. The method includes: identifying a request for applying a deceleration torque to the vehicle wheel, identifying status of the electromotive drive, selecting an operating mode of the electric motor according to the identified status, and controlling the electric motor in the selected operating mode for applying the deceleration torque. In a first operating mode, the electric motor is controlled such that the rotational energy of the vehicle wheel is converted at a first efficiency into electrical energy. In a second operating mode, the electric motor is controlled such that the rotational energy of the vehicle wheel is converted at a second efficiency into electrical energy.

Method for controlling an electromotive drive of a motor vehicle

A multi-disk brake for a motor vehicle has two multi-disk mechanisms and an actuation device for brake actuation and/or brake release of the multi-disk mechanisms, and an electric drive for translational actuation (spreading) of the actuation device, such as, in particular, the ramp unit. During a spreading operation, the multi-disk mechanisms are pretensioned in a metered manner by the actuation device and produce a desired frictional engagement, and a correspondingly reversed activation of the actuating mechanism enables a correspondingly metered brake release. By means of the electric drive, the action of the multi-disk brake can be metered overall in a particularly precise, sensitive and compensated manner in modern vehicle topology, including all peripheral brake components and systems, including recuperation.

Multidisc brake for a motor vehicle

A spreader unit for a drum brake is provided with a readjustment device which ensures that the clearance remains substantially constant even in the case of wear on the brake linings. The readjustment device is arranged between actuating pistons and changes the spacing of the actuating pistons in at least one readjustment step when an actuating travel of the first and second brake shoe holders has exceeded a travel setpoint value. A thermally actuable blocking device mechanically prevents the execution of the readjustment step by the readjustment device at a temperature above a temperature setpoint value.

Spreader unit for a motor vehicle drum brake

For controlling electromechanically actuatable brakes of servo type construction, it is necessary to detect the forces acting on the abutment of the brake shoes. The abutment is therefore formed from a massive material which deforms under load, wherein measurement devices are provided which detect this deformation. The shape of the abutment is selected in such a way that the abutment has measurement gaps, the size of which changes when the abutment is loaded. The size of the measurement gaps can be sensed by means of Hall sensors or AMR sensors, for example.

Drum brake

A drive unit for a vehicle, having an electric motor and a transmission unit, wherein the electric motor is connected to the transmission unit via a drive shaft and at least one first output shaft can be driven to rotate by the transmission unit, wherein the drive unit also has at least one brake unit. The rotation of the at least one output shaft can be delayed by the brake unit, wherein the drive unit has at least one of the following: a lubricant circuit through which both the transmission unit and at least one brake unit can be supplied with lubricant, and a cooling circuit through which both (i) at least one of the electric motor and a power electronics system assigned to the electric motor; and (ii) at least one brake assembly can be supplied with coolant.

Drive unit having an electric motor

An interconnected multiple disk brake for a rotatable element with an integrated sensor which is based on the rotation of a sensor disk.

Multiple disk brake for a rotatable element

A drum brake having a brake drum, brake shoes, a carrier plate and a load measurement device in the region of an abutment is mountable on a steering knuckle. The abutment has a cylinder in which two pistons are guided, on the outer end faces of which the abutment ends of the brake shoes rest and the inner end faces of which are each supported by a spring on a step in the cylinder. A hollow peg projects from the outside of the cylinder and penetrates an opening in the carrier plate, such that it can be received in a receiving space in the steering knuckle resting on the carrier plate or in a reinforcement element fixed on the steering knuckle.

Drum brake having a load measurement device

The proposal is for an improved expansion device for a drum brake having an integrated readjustment unit having a readjusting screw which can be locked therein by a spring-loaded latching unit which, for a reliable readjustment function with a reduced level of force, provides for the latching unit to allow a defined idle rotation of the readjusting screw, which is defined structurally by a first stop acting in a first direction of revolution and a second stop acting in the opposite direction of revolution.

Expansion device having a readjustment unit for a drum brake

A pot-shaped composite brake rotor for motor vehicles, which combines at least one securing component as a hub interface with at least one friction ring component (as a friction partner for at least one friction lining. Distinction is made between a torque transmission function a fixing function between the paired components by the provision of a heat-conductive joint interface between the components on one side. The components are assembled coaxially with one another and joined rotationally fixedly in the axial direction so that the securing component serves as a heat sink for the friction ring component. At least one fixing element between the components is provided separately, and this fixing element substantially exclusively (nominal load) performs a fixing function by mutual form fit by a radially directed engagement behind at least one undercut. A press-fit connection s present for torque transmission between the securing component and the friction ring component.

Pot-shaped composite brake rotor for motor vehicles

A method for controlling the longitudinal dynamics of a vehicle, where the vehicle has a friction brake system brakes, a drive system with an electromotive drive acting on at least one wheel, and a battery for supplying power to the electromotive drive determines state information which describes the state of the vehicle and/or the state of the brake system and/or of the drive system. Route information is determined which describes the route profile of the vehicle. An action plan for implementing a future braking request by the friction brakes and/or the electromotive drive on the basis of the state information and the route information is determined. The action plan specifies, for future times and/or areas on the route, whether a braking request of the vehicle is to be implemented by means of the friction brake and/or the drive system and implements a braking request accordingly.

Method for controlling the longitudinal dynamics of a vehicle

A method for ascertaining an operating variable of a drum brake, the method using forces acting on supporting bearings. The invention further relates to an associated drum brake assembly, an associated analysis unit and an associated storage medium.

Method for ascertaining an operating variable of a drum brake, drum brake assembly, analysis unit, and storage medium

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.

An improved electromechanically drivable spreader unit having an integrated adjustment apparatus for a drum brake, in which the linear motion of brake shoe holders is produced by two ball-ramp devices, wherein a first ball-ramp device includes a first actuation piston arranged for rotation about the axis and a second ball-ramp device includes a second actuation piston arranged for rotation about the axis, and wherein an adjustment apparatus for compensating an actuation travel that increases as a result of wear on the friction linings is arranged in an axially centered position within the housing and substantially between the actuation pistons.

Spreader unit for a drum brake, comprising wear travel adjustment, and the drum brake

A drum brake module for motor vehicles, the drum brake module being driven by an electric motor and having at least one parking brake function, includes an electromechanical cable pull actuator which is fastened on the anchor plate with the aid of an adapter. The adapter is designed as a one-piece, thin walled frame having at least one fastening flange for receiving the cable pull actuator and is held in place on the anchor plate.

Drum brake which can be operated by an electric motor

A braking device for a hydraulic motor vehicle braking system having an electromechanically driven booster stage and a ball screw drive. In order to provide a braking device which is of particularly compact, cost-effective and weight-saving construction and has short pedal strokes, and an easily adjustable pedal characteristic curve, at the same time enabling effective direct action in case of failure of the booster stage and comfortable haptic feedback at the pedal during normal operation, the actuating force from a piston rod is introduced into the spindle, wherein the piston rod can be moved axially to a limited extent relative to the spindle and a spring element is inserted in the flow of force of the actuating force between the piston rod and the spindle, which spring is compressed axially when the actuating force is introduced.

Braking device for a hydraulic motor vehicle braking system having a ball screw drive

Growing community of inventors

Darmstadt, Germany

Jens Hoffmann