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1. DE102018221211 - Drehzahl- und/oder Drehwinkelerfassungseinheit und Arbeitsvorrichtung

Office Germany
Application Number 102018221211
Application Date 07.12.2018
Publication Number 102018221211
Publication Date 10.06.2020
Publication Kind A1
IPC
G01P 3/488
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT;  INDICATING DIRECTION OF MOVEMENT 
3Measuring linear or angular speed; Measuring differences of linear or angular speeds
42Devices characterised by the use of electric or magnetic means
44for measuring angular speed
48by measuring frequency of generated current or voltage
481of pulse signals
488delivered by variable reluctance detectors
G01L 3/10
GPHYSICS
01MEASURING; TESTING
LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
3Measuring torque, work, mechanical power, or mechanical efficiency, in general
02Rotary-transmission dynamometers
04wherein the torque-transmitting element comprises a torsionally-flexible shaft
10involving electric or magnetic means for indicating
G01D 5/20
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
G01B 7/30
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
7Measuring arrangements characterised by the use of electric or magnetic means
30for measuring angles or tapers; for testing the alignment of axes
B62M 6/50
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
MRIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
6Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
40Rider propelled cycles with auxiliary electric motor
45Control or actuating devices therefor
50characterised by detectors or sensors, or arrangement thereof
CPC
G01P 3/487
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
3Measuring linear or angular speed; Measuring differences of linear or angular speeds
42Devices characterised by the use of electric or magnetic means
44for measuring angular speed
48by measuring frequency of generated current or voltage
481of pulse signals
487delivered by rotating magnets
G01P 3/488
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
3Measuring linear or angular speed; Measuring differences of linear or angular speeds
42Devices characterised by the use of electric or magnetic means
44for measuring angular speed
48by measuring frequency of generated current or voltage
481of pulse signals
488delivered by variable reluctance detectors
G01P 3/49
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
3Measuring linear or angular speed; Measuring differences of linear or angular speeds
42Devices characterised by the use of electric or magnetic means
44for measuring angular speed
49using eddy currents
G01D 5/204
GPHYSICS
01MEASURING; TESTING
DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12using electric or magnetic means
14influencing the magnitude of a current or voltage
20by varying inductance, e.g. by a movable armature
204by influencing the mutual induction between two or more coils
Applicants Robert Bosch GmbH
Inventors Doelling Rolando
Title
(DE) Drehzahl- und/oder Drehwinkelerfassungseinheit und Arbeitsvorrichtung
Abstract
(DE)

Die vorliegende Erfindung betrifft eine Drehzahl- und/oder Drehwinkelerfassungseinheit (100) zur Erfassung einer Drehzahl und/oder eines Drehwinkels einer Welle (15) und insbesondere einer Kurbelwelle (15) einer mit Muskelkraft und/oder oder mit Motorkraft antreibbaren Arbeitsvorrichtung und insbesondere eines Fahrzeugs (1) um eine Rotationsachse (X) der Kurbelwelle (15), welche mit einer Oberflächenstruktur (40), welche materiell und/oder magnetisch auf einer Oberfläche (15a) der Kurbelwelle (15) ausgebildet ist, und mit einer Sensoreinheit (30), welche zur Erfassung eines von der Welle (15) und der Oberflächenstruktur (40) getragenen Magnetfeldes ausgebildet ist. embedded image

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