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US 8,507,822 B2Granted
Contact member including purposely introduced undulations and vacuum interrupter including the same
AssigneeEaton Corporation
InventorWangpei Li
Life of this patent
Estimating the term…
Abstract
A contact is for a vacuum interrupter. The contact includes a contact member having a generally planar mating surface with a planar contact plane and a plurality of purposely introduced undulations therein. The undulations are structured to contact a plurality of purposely introduced undulations of another contact member. The undulations are in a dimension perpendicular to the planar contact plane. The planar contact plane has a diameter. The undulations have a depth substantially smaller than the diameter of the planar contact plane.
Claims20
A contact for a vacuum interrupter, said contact comprising:
- a contact member comprising a generally planar mating surface having a planar contact plane and a plurality of purposely introduced undulations therein, said undulations being structured to contact a plurality of purposely introduced undulations of another contact member,
- wherein the undulations are in a dimension perpendicular to the planar contact plane,
- wherein the undulations have a two-dimensional profile in the form of a plurality of concave portions and a plurality of convex portions,
- wherein the concave and convex portions of said contact member contact the convex and concave portions, respectively, of said another contact member in a closed contact position,
- wherein the planar contact plane has a diameter, and
- wherein the undulations have a depth substantially smaller than the diameter of the planar contact plane.
3 more elements
A vacuum interrupter comprising:
- a vacuum envelope;
- a fixed contact member comprising a first generally planar mating surface having a planar contact plane and a plurality of purposely introduced first undulations therein;
- and
- a movable contact member comprising a second generally planar mating surface having a planar contact plane and a plurality of purposely introduced second undulations therein,
- wherein the first undulations are in a dimension perpendicular to the planar contact plane of the first generally planar mating surface,
- wherein the second undulations are in a dimension perpendicular to the planar contact plane of the second generally planar mating surface,
- wherein the planar contact plane of the first generally planar mating surface has a first diameter,
- wherein the planar contact plane of the second generally planar mating surface has a second diameter,
- wherein the first undulations have a depth substantially smaller than the first diameter,
- wherein the second undulations have a depth substantially smaller than the second diameter,
- wherein the first undulations contact the second undulations in a closed contact position,
- wherein the first and second undulations have a two-dimensional profile in the form of a plurality of concave portions and a plurality of convex portions, and
- wherein the concave portions of one of said movable contact member and said fixed contact member contact the convex portions of the other one of said movable contact member and said fixed contact member in the closed contact position.
10 more elements
A vacuum interrupter comprising:
- a vacuum envelope;
- a fixed contact member comprising a first generally planar mating surface having a planar contact plane and a plurality of purposely introduced first undulations therein;
- and
- a movable contact member comprising a second generally planar mating surface having a planar contact plane and a plurality of purposely introduced second undulations therein,
- wherein the first undulations are in a dimension perpendicular to the planar contact plane of the first generally planar mating surface,
- wherein the second undulations are in a dimension perpendicular to the planar contact plane of the second generally planar mating surface,
- wherein the planar contact plane of the first generally planar mating surface has a first diameter,
- wherein the planar contact plane of the second generally planar mating surface has a second diameter,
- wherein the first undulations have a depth substantially smaller than the first diameter,
- wherein the second undulations have a depth substantially smaller than the second diameter,
- wherein the first undulations contact the second undulations in a closed contact position,
- wherein the first and second undulations have a number of arrays of concave areas and convex areas, and
- wherein the number of arrays of concave areas and convex areas comprise a plurality of concave dimples and a plurality of convex bumps, each of said concave dimples contacting a corresponding one of said convex bumps in the closed contact position.
10 more elements
Dependencies are inferred from the claim text.