Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1990-05-31
1991-12-24
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200144R, H01H 3318, H01H 3320
Patent
active
050755200
ABSTRACT:
A contact member for electrical switching devices, in particular contactors, having a linear power supply conductor and an arc runner disposed at a distance from the contact face of the linear power supply conductor. The arc runner has a U-shaped design having an unattached end which receives the electric arc. The unattached end is in the same plane as the contact face of the power supply conductor. The U-shaped portions of the arc runner are displaced in parallel and laterally away from the contact face of the linear power supply conductor. The attached end of the U-shaped arc runner is sued to secure the arc runner. For this purpose, a groove is introduced into a block-shaped power supply conductor. A segment, joined to the attached end of the arc runner, is inserted into this groove for securing purposes.
REFERENCES:
patent: 3211867 (1965-10-01), Heft
patent: 4237355 (1980-12-01), Fechant et al.
patent: 4618748 (1986-10-01), Mueller
patent: 4642428 (1987-02-01), Yoshiyasu et al.
patent: 4885441 (1989-12-01), Hisatune et al.
Graf Franz
Mueller Manfred
Macon Robert S.
Siemens Aktiengesellschaft
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