Magnetic coil assembly with surge absorber

Details Magnetic coil assembly with surge absorber Magnetic coil assembly with surge absorber

1993-01-28

1996-07-09

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transformer protection

335132, H02H 704

Patent

active

055350836

ABSTRACT:
A magnetic coil assembly with a connector arrangement which prevents explosion or other accident due to the mismatch of voltage rating between a surge absorber and a magnetic coil, allows only the surge absorber to be changed easily if it has been damaged, and ensures ease of automatically assembling the surge absorber into the magnetic coil assembly. The magnetic coil assembly includes a coil spool, a winding wound around the coil spool, and coil terminals mounted on the coil spool and electrically connected with the winding. The surge absorber is connected mechanically and removably with the coil spool or coil terminals, using connectors that may uniquely relate to the ratings of the absorber and coil, and the absorber terminals of the surge absorber are brought into contact with, and therefore are electrically connected with, the coil terminals.

REFERENCES:
patent: 4075402 (1978-02-01), Okamoto
patent: 4691978 (1987-09-01), Lemmer
patent: 4774484 (1988-09-01), Lehman et al.
patent: 4980801 (1990-12-01), Guinda et al.
patent: 5206779 (1993-04-01), Sato et al.

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