Arrangement for determining a revolution rate and direction of rotation of a rotating component

US9766260B2 · kind B2 · utility

Assignee

• MAN Truck &Bus AG · DE

Inventors

• Peter Kock · Anzing, DE
• Günter Bücklers · Munich, DE
• Christoph Steinberg · Garbsen, DE

Key dates

• Filing date: Apr 15, 2016
• Grant date: Sep 19, 2017
• Expiry date: Apr 15, 2036

Classification

• Technology area (CPC G): Physics
• CPC primary: G01P13/045
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A sensor device for contactlessly determining a revolution rate and a direction of rotation of a component that rotates during operation of the component, the component having, on at least one peripheral region, a circumferential structure of web-shaped or tooth-shaped radial protrusions and interposed grooves or tooth gaps includes: a threaded segment configured to positionally fix an arrangement of the sensor device so that the circumferential structure of the component is movable past the sensor device; a magnetic field generating device; and a magnetic field detecting device having at least three magnetic field sensors that are not arranged in alignment along a line. A distance between the magnetic field sensors that are the farthest apart from each other is less than or equal to a width of the grooves or tooth gaps of the component.