Vacuum interrupter with a switch contact piece

Details Vacuum interrupter with a switch contact piece Vacuum interrupter with a switch contact piece

2006-10-03

2006-10-03

Enad, Elvin (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

C218S154000

Reexamination Certificate

active

07115831

ABSTRACT:
According to the invention, heat generated inside a vacuum interrupter (1) is to be extracted, essentially by means of the pins (7, 8) of the contact pieces (5, 6) and, in order to improve the transmission of heat, a first slide contact surface (18) of a slide contact arrangement is provided on a pin (7), whereby the first slide contact surface (18) is arranged on a first section of a pin (7) which comprises an enlarged circumference relative to the remaining sections of the pin (7).

REFERENCES:
patent: 3733452 (1973-05-01), Strippoli et al.
patent: 4168414 (1979-09-01), Kumbera et al.
patent: 4384179 (1983-05-01), Milianowicz
patent: 4489226 (1984-12-01), Holmgren et al.
patent: 4568804 (1986-02-01), Luehring
patent: 4577073 (1986-03-01), Talpo
patent: 5753875 (1998-05-01), Benke et al.
patent: 35 29 386 (1987-02-01), None
patent: 44 45 172 (1996-06-01), None
patent: 196 03 157 (1997-07-01), None
WO 2004/097873 Stoving et al.

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