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US 10,854,403 B2Granted
Vacuum interrupter and vacuum circuit breaker using same
AssigneeMitsubishi Electric Corporation
InventorYuichi Takai
Life of this patent
Estimating the term…
Abstract
A vacuum interrupter according to the present invention includes: a vacuum container formed by two insulation containers each having an opening at one end thereof, the openings being opposed to each other; a pair of electrodes provided inside the vacuum container; and an arc shield having a contamination preventing portion surrounding the electrodes, and projections projecting in a direction along an outer circumferential surface of the contamination preventing portion, the arc shield being positioned by the projections being engaged with the openings.
Claims13
A vacuum interrupter comprising:
- a vacuum container formed by two insulation containers each having an opening at one end thereof, the openings being opposed to each other;
- a pair of electrodes provided inside the vacuum container;
- and
- an arc shield having a contamination preventing portion surrounding the electrodes, a disk-shaped flange portion extending radially outward from an outer circumferential surface of the contamination preventing portion, and projections projecting in an axial direction of the vacuum container from the flange portion and having embossed shapes, the arc shield being positioned by the projections being engaged with the openings.
1 more element
A vacuum interrupter comprising:
- a vacuum container formed by two insulation containers each having an opening at one end thereof, the openings being opposed to each other;
- a pair of electrodes provided inside the vacuum container;
- and
- an arc shield having a contamination preventing portion surrounding the electrodes, a disk-shaped flange portion extending radially outward from an outer circumferential surface of the contamination preventing portion, and projections projecting in an axial direction of the vacuum container from the flange portion, the arc shield being positioned by the projections, wherein
- projecting directions of the projections are along an axial direction of the vacuum container, and include an upward direction and a downward direction with respect to a disk-shaped surface of the flange portion, and
- the projections are exteriorly positioned outside the vacuum container.
3 more elements
Dependencies are inferred from the claim text.