High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Multiple break
Patent
1998-05-07
1999-10-19
Donovan, Lincoln
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Multiple break
218156, 218 14, 218 22, H01H 3314, H01H 940
Patent
active
059693142
ABSTRACT:
An integral stationary arcing contact and arc runner for electrical switching apparatus is formed by an electrically conductive member secured to the line conductor adjacent the stationary main contact thereby providing a joint free path for the arc to pass from the arcing contact to the arc runner. Preferably, the electrically conductive member is a sheet metal member having a base section secured to the line conductor, an arcing contact section adjacent the stationary main contact and extending generally perpendicular to the line conductor and a runner section extending at an obtuse angle to the arcing contact section toward the arc chute. A support member between the arcing contact section and the housing transmits reaction forces imposed by the moving conductor assembly on the sheet metal member into the housing.
REFERENCES:
patent: 2471608 (1949-05-01), Caswell
patent: 3238339 (1966-03-01), Fehling
patent: 3662134 (1972-05-01), Cellerini
patent: 4229630 (1980-10-01), Wafer et al.
patent: 4713504 (1987-12-01), Maier
patent: 4871889 (1989-10-01), Leone et al.
patent: 5057806 (1991-10-01), McKee et al.
patent: 5210385 (1993-05-01), Morel et al.
Jones William J.
Rakus Paul Richard
Sisson Glen Charles
Donovan Lincoln
Eaton Corporation
Moran Martin J.
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