Robert Boschgmbh

Thomas Klotzbuecher

Asta Reichl

Alex Grossmann

Bernhard Bauer

Udo Sieber

Klaus Marx

Harald Kazmierczak

Daniel Henning

Michael Stoeve

Werner Herden

Franz Jost

Erwin Krimmer

Axel Wenzler

Matthias Moerbe

Torsten Baumann

Friedrich Wendel

Ralf Buehrle

Reiner Schweinfurth

Ralf Noltemeyer

Martin Freitag

Henrik Siegle

Alexander Braun

Wolfgang Schaefer

Lutz Dorfmueller

Joerg Mayer

Matthias Zeh

David Heisenberg

Stephan Wuensch

Thorsten Kremer

Friedrich Bielert

Bernd Koeberle

Walter Schwarz

Tilman Gauger

Gunter Haas

Frank Sandmann

Sebastien Weiss

Norbert Lang

Johannes Maess

Jorge Diaz Alfonso

Thomas Boehringer

An active accelerator pedal for a vehicle includes a pedal position sensor configured to detect a position of a pedal lever of the active accelerator pedal and to convert the position into a pedal position signal. The active accelerator pedal further includes an actuator configured to output haptic feedback to the pedal lever. The active accelerator pedal further includes an actuator controller configured to control the actuator. The pedal position sensor is configured to transmit pedal position signals to a central engine controller of the vehicle the engine controller is configured to control drive of the vehicle using the central engine controller, and the actuator controller is configured to receive a pedal position signal from the pedal position sensor.

Active accelerator pedal

A Hall sensor includes a first Hall element pair configured to provide a first measurement signal, a second Hall element pair configured to provide a second measurement signal, and a third Hall element pair configured to provide a third measurement signal. Each element in the third Hall element pair is arranged between Hall elements of the first Hall element pair and Hall elements of the second Hall element pair. The Hall element pairs are configured to be actuated such that the first, second, and third measurement signals can be combined into one aggregate measurement signal which corrects an error in an angle of rotation determination caused by an external magnetic field.

Hall sensor insensitive to external magnetic fields

The disclosure relates to a direct current electric machine comprising a housing, a rotor having coils configured as electromagnets, and a stator with stator magnets. The rotor and the stator are positioned inside the housing. The electric machine also comprises sliding contacts configured to conduct current which is to be conducted through the coils of the rotor, as a commutator. The electric machine further comprises an interference suppressor configured to suppress electrical interference that emanates from the direct current electric machine. The interference suppressor is positioned outside of the housing.

Direct current electric machine

The invention relates to a Hall effect sensor for recording the direction of a magnetic field, comprising a plurality of Hall effect sensor elements () arranged in pairs, wherein each pair comprises a first Hall effect sensor element () and a second Hall effect sensor element () which are arranged parallel to one another. The Hall effect sensor has a first switch () for disconnecting the first Hall effect sensor element () from a power supply ().

Hall effect sensor

An arrangement for reading a sensor element in a vehicle includes a sensor element. The sensor element has at least one analog signal output. The arrangement further includes a first control unit. The first control unit has at least one first signal input. The arrangement further includes a second control unit. The second control unit has at least one second signal input. The signal output is connected to the at least one first signal input. The signal output is further connected to the at least one second signal input using a voltage divider.

Parallel reading of an analog sensor by two control units

An actuating device for providing a physical output quantity includes: a control element for providing the physical output quantity; an actuator unit triggering the control element according to a triggering variable; and a communication unit receiving the triggering variable, which communication unit sends actuator information which contains an indication about a correlation between the provided physical output quantity of the actuating device and the triggering variable.

Actuating device, controller for operating the actuating device and method for operating an actuating device

A method and an arrangement () for detecting the actuation of an operator-controlled element () make possible a reliable detection of an operator-controlled function to be activated by the operator-controlled element () independently of environmental and wear conditions. The operator-controlled element () can be actuated with different adjustable degrees of actuation. Various operator-controlled functions of the operator-controlled element () are realized in dependence upon the degree of actuation. The operator-controlled element () is actuated against a spring force and at least two degrees of actuation are characterized by different spring constants. The at least one of the operator-controlled functions of the operator-controlled element () is detected in dependence upon the spring constant assigned to the instantaneous degree of actuation.

Method and arrangement for detecting the actuation of an operator-controlled element

The invention relates to a measuring system for contactless detection of a rotational angle, having a first body on which at least one magnet is disposed and having at least one magnetic-field-sensitive element, supported by a second body, for generating a measurement signal, the first body and the second body being rotatable counter to one another about an axis of rotation, and the magnet having a blind-borelike recess. The invention provides that the at least one magnetic-sensitive element protrudes at least partway into the recess.

Measuring system for contactless detection of a rotary angle, with a magnetic-field-sensitive element disposed in a recess of the magnet

A measuring instrument for contactless detection of an angle of rotation comprises a magnetically nonconductive rotor, on which a magnet is disposed, and a stationary magnetically sensitive element for generating a measurement signal. The magnetically sensitive element has two sensitive faces spaced apart by a distance.

Measuring device for detecting a rotation angle in a contactless manner

A device for measuring an angle and/or the torque acting on a rotatable body is proposed according to the invention, whereby the rotational angle is detected by means of magnetic or optical sensors. In particular, in a preferred exemplary embodiment, two devices () are proposed, each of which comprises two optically readable code tracks. The two code tracks (or) on one device (or) are similar in design and are offset in relation to each other, so that associated sensors () output a digital signal. The rotational angle is calculated based on the lag between the two digital signals. In a further embodiment it is provided that a torsion element () having a known torsional stiffness is situated between the two devices (). Torque transferred by the rotatable body () can also be calculated therefore from the angular difference of the two devicesThe device is used preferably in the steering axle of a motor vehicle.

Device for measuring the angle and/or the angular velocity of a rotatable body and/or the torque acting upon said body

A measuring instrument for contactless detection of an angle of rotation comprises a carrier plate () consisting of a magnetically soft material that serves as a rotor. The stator of the sensor comprises at least two parts, the ends (and) of which terminate in two planes. The measuring gap (M) containing an element () that is sensitive to a magnetic field is located between the ends (). Due to the fact that the ends () of the two stator parts () terminate in different planes, the measuring element () can be situated in a very small measuring gap (M) in which the magnetic flux of the magnet () can be concentrated.

Measuring instrument for contactless detection of an angle of rotation

A measuring instrument for contactless detection of a path c is comprised of a two-part ( ) base plate ( ), a side plate ( ), and a movable part ( ). The movable part ( ) has a support plate ( ) which is guided through a slot ( ) in the side plate ( ). At one end ( ) of the support plate ( ), there is a permanent magnet ( ) which is embodied as smaller than the path (c). The magnet ( ) can be embodied in one piece or in several pieces. Through the disposition of the magnet ( ), it is possible to produce different sections, e.g. plateaus or sections deviating form the linear measurement line, in the measurement curve detected by the measuring instrument.

Path measuring instruments with flux conducting parts

A measuring instrument for contactless detection of an angle of rotation &ggr; is comprised of a supporting plate ( ) made of soft magnetic material, which serves as a rotor. Two segments ( ) that are separated by a slot ( ) and a spacing gap ( ) are disposed in a plane in relation to the supporting plate ( ). The supporting plate ( ) is attached to the axle ( ), whose projection ( ) or the axle ( ) itself is comprised of magnetically conductive material. The supporting plate ( ) has a magnet ( ) disposed on it, which is embodied as smaller than the angle of rotation &ggr; to be measured. The magnet ( ) can be embodied of one or several parts. Through the disposition of the magnet ( ), it is possible to produce different sections in the measurement curve detected by the measurement instrument, e.g. plateaus or sections which deviate from the linear measurement line.

Measuring device for the contactless measurement of an angle of rotation

In a travel measuring instrument ( ), a magnet ( ) which is polarized in the movement direction (R) is disposed against a flux conducting part ( ). The flux conducting part ( ) has a surface ( ), which is inclined and is embodied as oval, which is disposed opposite a magnetic field sensitive element ( ) with an air gap (L ). When there is movement, the air gap (L ) changes so that the magnetic field sensitive element ( ) generates an output signal proportional or linear to the movement direction R of the component to be monitored.

Distance measuring device

A measuring travel instrument has a frame composed of a permeable material, a magnet situated inside the frame in a movable fashion, a magnetosensitive sensor situated in a slot of the frame that is situated in a closed magnetic circuit in such a fashion that a size of a magnetic flux of the magnet changes in it depending on a position of the magnet, a sled composed of a magnetically impermeable material and executing a sliding movement, the magnet being located in the sled, a guide member extending through a recess in the frame and connecting the sled with a component a movement of which is to be determined, the guide member composed of a permeable material and arranged in such a way that it forms a part of the frame conducting the magnetic flux of the magnet.

Growing community of inventors

Rudersberg, Germany

Thomas Klotzbuecher