High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Magnetic blowout
Patent
1999-06-25
2000-08-08
Scott, J. R.
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Magnetic blowout
218 22, 218149, 218156, 335201, H01H 3318
Patent
active
06100491&
ABSTRACT:
An electric switch has an arc extinguishing mechanism that includes a plurality of splitter plates located adjacent to the switch contacts. An electromagnet coil is connected between one of the contacts and a splitter plate to produce a magnetic field that drives an arc into the extinguishing mechanism. The unique electromagnet coil is formed by a lamination of a plurality of flat open loops of conductive material alternating with layers of insulation. The flat open loops are interconnected to form a helical coil.
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Contactors Type BMS and BPS for Traction and Industry, Secheron, Feb. 18, 1998.
Eaton Corporation
Haas George E.
Scott J. R.
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