Vacuum-type circuit interrupter with two sets of contacts electr

Details Vacuum-type circuit interrupter with two sets of contacts electr Vacuum-type circuit interrupter with two sets of contacts electr

1975-07-01

1977-06-14

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

313217, H01G 3366

Patent

active

040299210

ABSTRACT:
A vacuum-type circuit interrupter comprises two pluralities of rod electrodes positioned to form a ring of electrodes in which the electrodes of the first plurality interleave with those of the second plurality and are spaced circumferentially of the ring from the immediately adjacent electrodes of the second plurality. The rod electrodes of said first plurality are mounted on and electrically connected to a first conductive end cap of the interrupter. The rod electrodes of the second plurality are mounted on and electrically connected to a second conductive end cap of the interrupter.
First conductive support structure extends transversely of the rod electrodes and is attached to the distal ends of predetermined rod electrodes of said second plurality. A first generally stationary contact is supported on said first support structure in a position intermediate the locations at which the first support structure is attached to said predetermined rod electrodes of said second plurality. Second conductive support structure extends transversely of the rod electrodes and is attached to the distal ends of predetermined rod electrodes of said first plurality. A second generally stationary contact is supported on said second support structure in a position intermediate the locations at which the second support structure is attached to said predetermined rod electrodes of said second plurality. First and second movable contacts are provided for respectively engaging the first and second generally stationary contacts. A first movable contact rod on which the first contact is mounted extends in sealed relationship through said first metal end cap. A second movable contact rod on which said second contact is mounted extends in sealed relationship through said second metal end cap. The two pairs of engageable contacts are electrically connected in parallel with each other while the interrupter is closed.

REFERENCES:
patent: 3185799 (1965-05-01), Greenwood et al.
patent: 3321598 (1967-05-01), Streater
patent: 3405245 (1968-10-01), Ito et al.
patent: 3471734 (1969-10-01), Rich
patent: 3679474 (1972-07-01), Rich
patent: 3818166 (1974-06-01), Emmerich et al.

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