Vacuum switch

Details Vacuum switch Vacuum switch

1993-04-29

1994-05-17

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

053130308

ABSTRACT:
A vacuum switching tube has a cylindrical housing, including an insulator which directly surrounds contact pieces of the tube. The radial distance of the insulator from the contact pieces is less than or at most equal to the length of the contact stroke. In addition, the contact pieces can be structured as axial magnetic field contacts, and the free cross-section can be narrowed in the back space of the contact pieces by radial expansion at the contact pins or by radial constriction of the insulator.

REFERENCES:
patent: 3980850 (1976-09-01), Kimblin
patent: 4620074 (1986-10-01), Paul et al.
patent: 4727228 (1988-02-01), Hoene et al.
patent: 4737605 (1988-04-01), Bettge et al.
patent: 4795866 (1989-01-01), Hoene et al.
patent: 5004877 (1991-04-01), Yin
patent: 5064976 (1991-11-01), Blalkowski et al.
patent: 5168139 (1992-12-01), Bettge et al.
Elektrizitatswirtschaft, Jg. 91 (1992), No. 4; Karl Stegmuller et al.: Vakuumschaltkammern mit axial wirkendem Magnetfeld.
Siemens Prospectus: Mittelspannung/ Vakuumschalttechnik (Medium Range Voltage/Vacuum Technology) No. A19100-E769-B162, p. 8: Aufbau und Aufgaben der zwei Baureihen 3AF und 3 AG.

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