Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1982-12-20
1984-12-11
Pellinen, A. D.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200147A, 200148R, H01H 3318
Patent
active
044880235
ABSTRACT:
A gas-filled switch with an improved arc extinguishing characteristics. Such gas-filled switch comprises a gas-filled casing, a pair of electrodes disposed in the casing, a conductive retaining ring which encircles at least one of the electrodes, a permanent magnet of a cylindrical configuration mounted in the retaining ring, a conductive cylindrical body disposed in one end opening of the retaining ring, and an arc-drive coil encircling the conductive cylindrical body and having one end connected to the conductive cylindrical body and other end connected to the electrode. Due to such construction, one root of an arc generated between the electrodes is moved from one electrode to the conductive cylindrical body so that the other root of the arc is subjected to the magnetic flux of the permamemt magnet while the previous one root of the arc is subjected to the magnetic flux of the arc-drive coil so as to extinguish the arc during the rotation of the arc.
Goto Mashakatsu
Hori Koichi
Matsumoto Ken-ichi
Okamura Yoshiyuki
Otsuka Masao
Ginsburg Morris
Pellinen A. D.
Ralabate James J.
Yaskawa Electric Mfg. Co. Ltd.
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