Protective device for an electric motor with sensor and...

Details Protective device for an electric motor with sensor and... Protective device for an electric motor with sensor and...

2005-09-20

2005-09-20

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C361S018000, C361S022000, C361S023000, C361S024000, C361S025000, C361S026000, C361S029000, C318S362000, C318S376000, C324S412000, C324S694000, C324S689000, C324S710000

Reexamination Certificate

active

06946967

ABSTRACT:
A protective device includes a signal input intended for connection to a sensor, a signal output intended for connection to an evaluation unit, and an isolation element for galvanically separating the signal input from the signal output. The provision of the protective device prevents a transmission of overvoltages from the sensor to the evaluating unit.

REFERENCES:
patent: 4266257 (1981-05-01), Rudich, Jr.
patent: 5548464 (1996-08-01), Manning
patent: 5583406 (1996-12-01), Mutoh et al.
patent: 5959457 (1999-09-01), Berberich
patent: 6169648 (2001-01-01), Denvir et al.
patent: 6501200 (2002-12-01), Engel et al.

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