Dual baffle apparatus for electrical switching device
AssigneeEaton Corporation
InventorsWilliam E. Grass, Amelia M. Stay, Earl T. Piber, Roger E. Walker
Life of this patent
Estimating the term…
Abstract
A baffle for use in a circuit breaker includes a first baffle mechanism and a second baffle mechanism. Each of the first and second baffle mechanisms includes a base, a plurality of elongated members supported by the base, and cross-pins or other elongated members for supporting the base of one of the baffle mechanisms substantially parallel to the base of the other baffle mechanism. The elongated members of the first and second baffle mechanisms are interleaved to form a labyrinth.
Claims22
A baffle apparatus for use in an electrical switching device including separable contact means, and arc chute means for dividing an arc between said separable contact means and releasing arc gas, said baffle apparatus for affecting flow of said arc gas, said baffle apparatus comprising:
- first unitary baffle means;
- and
- second unitary baffle means,
- with each of said first and second unitary baffle means comprising:
- a base,
- a plurality of elongated members supported by the base, and
- means for supporting the base of one of said first and second unitary baffle means substantially parallel to the base of the other of said first and second unitary baffle means, with the elongated members of said one of said first and second unitary baffle means being adjacent to, without interlocking with, said base of the other of said first and second unitary baffle means, and
- with the elongated members of said first and second unitary baffle means being interleaved to form a labyrinth.
An electrical switching apparatus comprising:
- a housing;
- separable contacts within said housing having a closed position and an open position;
- operating means for operating said separable contacts between the closed position and the open position thereof;
- arc chute means for dividing an arc between said separable contacts;
- at least one first unitary baffle means about adjacent said arc chute means;
- and
- at least one second unitary baffle means cooperating with said at least one first unitary baffle means,
- with each of said first and second unitary baffle means comprising:
- a base,
- a plurality of elongated members supported by the base, and
- means for supporting the base of one of said first and second unitary baffle means substantially parallel to the base of the other of said first and second unitary baffle means, with the elongated members of said one of said first and second unitary baffle means being adjacent to, without interlocking with, said base of the other of said first and second unitary baffle means, and
- with the elongated members of said first and second unitary baffle means being interleaved to form at least one labyrinth.
An electrical switching apparatus comprising:
- a housing having an arc chamber therein;
- separable contacts in said arc chamber having a closed position and an open position;
- operating means for operating said separable contacts between the closed position and the open position thereof;
- arc chute means in said arc chamber for dividing an arc between said separable contacts;
- at least one first unitary baffle in said arc chamber about adjacent said arc chute means;
- and
- at least one second unitary baffle in said arc chamber cooperating with said at least one first unitary baffle,
- with each of said first and second unitary baffles comprising:
- a base,
- a plurality of elongated members supported by the base, and
- means for supporting the base of one of said first and second unitary baffles substantially parallel to the base of the other of said first and second unitary baffles, with the elongated members of said one of said first and second unitary baffles being adjacent to, without interlocking with, said base of the other of said first and second unitary baffles, and
- with the elongated members of said first and second unitary baffles being interleaved to form at least one labyrinth.
Dependencies are inferred from the claim text.