Measuring arrangement for contactlessly detecting the distance b

Details Measuring arrangement for contactlessly detecting the distance b Measuring arrangement for contactlessly detecting the distance b

1995-04-07

1996-05-28

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

267 6419, 280 61, 32420714, 32420724, 32420726, G01B 714, B60G 1700

Patent

active

055214975

ABSTRACT:
The invention is directed to a measuring arrangement which is mounted to detect, without contact, the distance between two components which are movable relative to each other. A component 22 has at least one magnet 25 in order to obtain, with less technical complexity, a signal substantially free of noise. The other component 23 has the magnetic field sensor 28 which is surrounded by a magnet arrangement 27 and is mounted asymmetrically to this magnet arrangement. The magnetic field sensor 28 is disposed above the exit plane E of the field lines of the magnet arrangement 27. The changes of the magnetic field detected by the magnetic field sensor 28 are converted in a signal processing unit (31, 32) into a proportional electrical control signal.

REFERENCES:
patent: 4517514 (1985-05-01), Howell
patent: 4555120 (1985-11-01), Frait et al.
patent: 4783089 (1988-11-01), Hamilton et al.
patent: 4853630 (1989-08-01), Houston
patent: 5045785 (1991-09-01), Hansen
patent: 5142225 (1992-08-01), Gerlach et al.

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