Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific circuit breaker or control structure
Patent
1996-01-17
1998-08-11
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific circuit breaker or control structure
218 52, H01H 7300
Patent
active
057935971
ABSTRACT:
A puffer type gas breaker is provided, in which high-temperature gas, heated by an electric arc produced immediately after a large current is broken, is quickly discharged to enhance inter-pole dielectric performance. A fixing portion for fixing an arc contact is provided in a cylindrical exhaust pipe for exhausting the high-temperature gas heated by an electric arc produced between poles immediately after a large current is broken. A rectifying member or members is provided in the fixing portion of the cylindrical exhaust pipe. An exhaust port or ports is formed in the fixing portion of the cylindrical exhaust pipe, and a shield is disposed around the outer periphery of the exhaust port or ports.
REFERENCES:
patent: 4236053 (1980-11-01), Sasaki et al.
patent: 4259556 (1981-03-01), Kii
Asai Yoshihito
Daimon Goro
Ishikawa Kogi
Kashimura Katsuichi
Koyanagi Osamu
Hitachi , Ltd.
Leja Ronald W.
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