Sensing ring for rotational sensing system

Details Sensing ring for rotational sensing system Sensing ring for rotational sensing system

1989-12-18

1991-10-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

29598, 310168, H02K 1920, G01P 3488

Patent

active

050536567

ABSTRACT:
A thin, metallic sensor ring for rotational sensing systems wherein protrusions formed on the periphery of the ring are constructed so as to interrupt an electromagnetic flux emitted by a sensing device mounted in fixed relation to the ring, whereby rotation of the ring may be detected. The protrusions are formed without removing any metal from the ring, preferably by a stamping or drawing operation. Slits may be provided in the ring to facilitate the formation of the protrusions. The ring may be partially encapsulated in a plastic mounting adapter to facilitate mounting thereof on a rotating shaft or hub.

REFERENCES:
patent: 3801845 (1974-02-01), Gavitt, Sr.
patent: 3961215 (1976-06-01), Gee et al.
patent: 4087710 (1978-05-01), von Fabris et al.
patent: 4710659 (1987-01-01), Takano et al.
patent: 4795278 (1989-01-01), Hayashi
patent: 4797611 (1989-01-01), Schreiber
patent: 4835840 (1989-06-01), Stokes
patent: 4940936 (1990-07-01), Grillo et al.

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