Electricity: measuring and testing – Magnetic – Displacement
Patent
1990-03-02
1991-06-25
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
324164, 32420722, 32420725, G01B 730, G01B 714
Patent
active
050270672
ABSTRACT:
A device for contactless measurement of a rotational angle of a rotating part that is rotatable via a rotating shaft. The device includes a cylindrical coil carrier with sensor coils and a tubular body of electrically conductive material that is firmly attached to the rotating shaft and which surrounds the coil carrier with radial play and has an electrically non-conductive zone extending circumferentially in the vicinity of the sensor coils. For the sake of an easy-to-assemble structure, the tubular body is slipped onto a face end of the rotating shaft in a form-fitting manner and the tubular body is surrounded with radial play by a housing cup, from the bottom of which the coil carrier, which is integral with it, coaxially protrudes. The housing cup is joined in a floating manner to a housing that receives the rotating part.
REFERENCES:
patent: 3178641 (1965-04-01), Varterasian
patent: 3281682 (1966-10-01), Bauerlein
patent: 4080532 (1978-03-01), Zabler
patent: 4186609 (1980-02-01), Baermann
patent: 4240302 (1980-12-01), Karnick
patent: 4529933 (1985-07-01), Bleeke
patent: 4637478 (1986-12-01), Unetsch et al.
Hachtel Hansjoerg
Witzig Armin
Greigg Edwin E.
Greigg Ronald E.
Robert & Bosch GmbH
Strecker Gerard R.
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