Displacement pick-up for detecting of actuator with two indexing

Details Displacement pick-up for detecting of actuator with two indexing Displacement pick-up for detecting of actuator with two indexing

1996-10-28

1999-03-23

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

296223, 318653, 318466, 32420722, 32420724, 32420725, G01B 730, G01B 714, G01D 500, B60J 7057

Patent

active

058865179

ABSTRACT:
In a displacement pick-up for detecting the displacement of an actuator driven by a rotating drive element, which has an indexing mechanism (11) with a first indexing wheel (13), driven by the drive element and having an indexing cam (19), and a rotatable second indexing wheel with encompassing teeth (20), and which also has a device (12) for detecting the rotary position of the second indexing wheel (15), for the sake of achieving high freedom from noise the teeth (20) on the second indexing wheel (15) and the indexing cam (19) meshing with them on the first indexing wheel (13) are embodied with large surface areas, and the two indexing wheels (13, 15) are magnetized in such a way that their respective immediately adjacent faces repel one another.

REFERENCES:
patent: 5211063 (1993-05-01), Hobmaier et al.
patent: 5481188 (1996-01-01), Mizutani
patent: 5646523 (1997-07-01), Kaiser et al.

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