Patent · US Active

Speed sensor ring

US10180443B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

DANFOSS POWER SOLUTIONS GMBH & CO. OHG · DE

Inventors

Momme Boldt · Hanerau-Hademarschen, DE
Markus Reimer · Klein Nordende, DE
Howe Gripp · Hanerau-Hademarschen, DE
Bernd Hames · Henstedt-Ulzburg, DE

Key dates

Filing date	Apr 24, 2018
Grant date	Jan 15, 2019
Priority date	—
Expiry date	Apr 24, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG01P3/488
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention relates to a signal inducing device (1, 9, 11, 12, 18, 19, 20), comprising a first material (2, 3, 13, 14) and a second material (4, 16). The first material (2, 3, 13, 14) and the second material (4, 16) show a different magnetic behaviour. The first material (2, 3, 13, 14) and the second material (4, 16) are arranged in a way that the resulting magnetic behaviour of the signal inducing device (1, 9, 11, 12, 18, 19, 20) varies over a magnetic interaction surface (5, 10) of the signal inducing device (1, 9, 11, 12, 18, 19, 20). The signal inducing device (1, 9, 11, 12, 18, 19, 20) is designed in a way that the magnetic interaction surface (5, 10) shows an essentially smooth surface, in particular with respect to the standard moving direction of the magnetic interaction surface (5, 10).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.