Earthing switch
AssigneeHyundai Electric & Energy Systems Co., Ltd.
InventorsKeon Woo Kim, Ji Hoon Kim, Seung Hwan Baik
Life of this patent
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Abstract
An earthing switch includes a fixed contact part fixed in an enclosure, a movable contact part disposed to face the fixed contact part, having a hollow portion formed therein, and having one end portion connected to a driving device and driven by the driving device so that the other end portion thereof is connected to or separated from the fixed contact part, and a piston part located in the hollow portion and moving relative to the movable contact part, wherein the hollow portion extends in a longitudinal direction of the movable contact part, both end portions of the hollow portion in the longitudinal direction are formed to be open, and the piston part includes a gas flow path formed therein.
Claims13
An earthing switch comprising:
- a fixed contact part fixed in an enclosure;
- a movable contact part disposed to face the fixed contact part, having a hollow portion formed therein, and having one end portion connected to a driving device and driven by the driving device so that an other end portion thereof is connected to or separated from the fixed contact part;
- and
- a piston part located in the hollow portion and moving relative to the movable contact part,
- wherein the hollow portion extends in a longitudinal direction of the movable contact part, both end portions of the hollow portion in the longitudinal direction are formed to be open, and the piston part includes a gas flow path formed therein.
Dependencies are inferred from the claim text.