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US 10,770,249 B2Granted
Pole part for a low-, medium or high voltage circuit breaker, and method for manufacturing the same
AssigneeABB Schweiz AG
InventorDietmar Gentsch
Life of this patent
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Abstract
A pole part for a medium or high voltage circuit breaker includes: an insert in an insulating housing; and a compensation layer between the insert and the insulating housing. The compensation layer includes a potting material on an epoxy or polyurethane basis, with a shore hardness of 12 to 90 shore A.
Claims11
A pole part for a medium or high voltage circuit breaker, comprising:
- an insulating housing;
- a vacuum interrupter;
- and
- a compensation layer,
- wherein the vacuum interrupter is in the insulating housing,
- wherein the compensation layer is in contact with a surface of the vacuum interrupter,
- wherein the compensation layer is between the vacuum interrupter and the insulating housing, and
- wherein the compensation layer comprises an epoxy based potting material with a shore hardness of 12 to 90 shore A.
5 more elements
A method for manufacturing a pole part for a low-, medium-, or high voltage circuit breaker, comprising:
- moulding a compensation layer onto a surface of a vacuum interrupter;
- and
- moulding an insulating housing onto the vacuum interrupter with the compensation layer or moulding the vacuum interrupter with the compensation layer into the insulating housing,
- wherein the compensation layer is between the vacuum interrupter and the insulating housing, and
- wherein the compensation layer comprises an epoxy based potting material with a shore hardness of 12 to 90 shore A.
2 more elements
Dependencies are inferred from the claim text.