Switching device for a series loop circuit

Details Switching device for a series loop circuit Switching device for a series loop circuit

1987-05-01

1988-09-20

Scott, J. R.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

200 2, 200 11A, 200 11TC, 200 16C, 307 17, 307 36, 324500, 340635, 323361, G01R 3100, G08B 2100, H01H 954, H02J 300

Patent

active

047728060

ABSTRACT:
The present invention relates to a switching device for use in a series loop circuit, and more particularly to a switching device for uncoupling defective circuit components from the series loop circuit, for conducting quick trouble-shooting procedures to locate breaks or shorts in the circuit, and for enabling efficient preventive maintenance programs of the circuit components in order to keep them in good repair, with minimal shutdown time of the circuit or interruption in the supply of power to remaining circuit components. The device according to the invention includes a multi-position selector switch which permits in-situ testing of the circuit components so that down-time of the circuit is significantly reduced, and ease of maintenance is enhanced.

REFERENCES:
patent: 1005521 (1911-10-01), Doughty et al.
patent: 2303693 (1942-12-01), Hill
patent: 3061828 (1962-10-01), Hauck
patent: 3150240 (1964-09-01), Voss
patent: 3249703 (1966-05-01), Rickert
patent: 3855521 (1974-12-01), Kiuchi
patent: 4019128 (1977-04-01), Chebowski
patent: 4297632 (1981-10-01), Glaser et al.
patent: 4396868 (1983-08-01), Watanabe et al.
patent: 4675574 (1987-06-01), Delflache

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