Electromechanical switching device

Details Electromechanical switching device Electromechanical switching device

1999-08-26

2000-08-15

Sherry, Michael J.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

361160, 361170, 32420715, 340644, H01H 4700

Patent

active

061045926

ABSTRACT:
An electromechanical switching device includes at least one moveable contact and an associated drive in a device housing. Magnetic field sensors which are disposed at a suitable location inside and/or outside the device housing detect magnetic field values that are each linked to one of a plurality of switching states. The device housing has a switching handle which is intended for manual release. Through the use of a miniature inductance element with a ferrite core as a highly sensitive magnetic field sensor, a position of the switching handle or of a part coupled thereto is monitored and/or a current flowing in the switching device is detected.

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patent: 4967156 (1990-10-01), Seitz
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patent: 5617023 (1997-04-01), Skalski
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Japanese Patent Abstract No. 61102712 (Hiroshi), dated May 21, 1986.
International patent Application WO 96/07192 (Pohl et al.), dated Mar. 7, 1996.

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