Electricity: measuring and testing – Magnetic – Displacement
Patent
1996-08-08
1998-09-08
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
123 9011, 25112916, 25112918, 32420718, 361160, 335258, H01F 7121, F01L 904, F16K 3102, G01B 700
Patent
active
058049622
ABSTRACT:
A method of ascertaining the position of rest assumed by a movable armature, in response to forces of oppositely acting return springs, between two deenergized electromagnets. The method includes the following steps: measuring the inductivities of the two electromagnets; comparing the measured inductivity values to obtain a comparison value; and ascertaining the position of the armature in the position of rest between the two electromagnets from the comparison value.
REFERENCES:
patent: 3789876 (1974-02-01), Kempton et al.
patent: 4950985 (1990-08-01), Voss et al.
patent: 5202628 (1993-04-01), Locher et al.
patent: 5283519 (1994-02-01), Patzig
patent: 5583434 (1996-12-01), Moyers et al.
Kather Lutz
Schmitz Gunter
Schrey Ekkehard
FEV Motorentechnik GmbH & Co. KG
Strecker Gerard R.
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