Patent · US Expired

Measurement device including a hall sensor disposed in a magnetic tube

US7199578B2 · kind B2 · utility

8Cited by

4References

3Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Gerhard Rohner · Hemsbach, DE
Reinhard Tinz · Masserberg, DE
Volker Daume · Hirschhorn, DE
Jorg Bittner · Hemsbach, DE
Uwe Meinig · Bad Saulgau, DE
Manfred Busch · Dachau, DE

Key dates

Filing date	Apr 22, 2003
Grant date	Apr 3, 2007
Priority date	—
Expiry date	Apr 22, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG01D5/145
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A measuring device including a Hall sensor arranged in a centrally and axially movable manner in a magnetic tube. Each half of the magnetic tube includes a north and south pole that are diametrically opposed, wherein the north pole on the first half of the tube is also diametrically opposed to the north pole on the second half of the tube, and the south pole formed on the first half of the tube is also diametrically opposed to the south pole on the second half of the tube.

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