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US 9,852,858 B2Granted
Contact of vacuum interrupter
AssigneeLsis Co., Ltd.
InventorByungchul Kim
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AssigneeLsis Co., Ltd.
InventorByungchul Kim
Estimating the term…
A contact of a vacuum interrupter comprises a contact body portion formed in the shape of a circular plate, having a contact surface in a flat shape on one surface thereof, and provided with a plurality of cut portions formed in a spiral shape from a center of the contact surface toward an outer side in a radial direction, and an inclination area formed between the contact surface and an outer circumferential surface of the contact body portion, wherein the inclination area is provided with multi-stage inclined portions each forming a multi-stage inclination along the outer side of the contact body portion in the radial direction.
A contact of a vacuum interrupter, the contact comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Contacts; Arc-extinguishing means, e.g. arcing rings: having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
Contacts; Arc-extinguishing means, e.g. arcing rings: having non flat disc-like contact surface
Form of contacts: raised edge
Electric switches
About 9 years 5 months of term left · ends 6 Apr 2036 (estimated)
Pursuant to 35 U.S.C. §119(a), this application claims the benefit of earlier filing date and right of priority to Korean Application No. 10-2015-0056530, filed on Apr. 22, 2015, the contents of which are all hereby incorporated by reference herein in its entirety.
1. Field of the Invention
The present invention relates to a contact of a vacuum interrupter, and more particularly, a contact of a vacuum interrupter capable of improving arc-extinguishing and insulating capabilities between contacts.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments and together with the description serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a view of a vacuum interrupter according to the related art;
A detailed description of a contact of a vacuum interrupter according to the present invention will now be given with reference to the accompanying drawings.
FIG. 4 is a view showing a configuration of a vacuum interrupter in accordance with the present invention.
As illustrated in FIG. 4, the vacuum interrupter according to the present invention may include an insulating container 9, a movable electrode 1, a movable contact 100, a fixed electrode 4, a fixed contact 200, a fixed-side seal cup 8, a movable-side seal cup 7, a bellows tube 5, a bellows tube shield 6, and a center shield 10.