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Patent Searching and Data


Title:
ELECTRICAL INTERRUPTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/069738
Kind Code:
A3
Abstract:
An electrical interrupter device for switching a short-circuit electrical current in an electric circuit is disclosed. The device comprises a vacuum evacuated housing (58); first and second electrodes (54, 56) at least partially located within the housing. The first and second electrodes (54, 56) are separated by a rail gap. A third electrode (52) moveable relative to the first and second electrodes (54, 56) between a closed circuit position and an open circuit position is provided, whereby an electrical arc is generated between the third electrode (52) and at least one of the first and second electrodes (54, 56) during said movement. Once generated, the arc is directed by the first and second electrodes (54, 56) away from the third electrode (52).

Inventors:
FALKINGHAM LESLIE (GB)
Application Number:
PCT/GB2017/053752
Publication Date:
May 17, 2018
Filing Date:
December 14, 2017
Export Citation:
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Assignee:
VACUUM INTERRUPTERS LTD (GB)
International Classes:
H01H33/664; H01H9/38; H01H33/12; H01H33/20
Foreign References:
EP2434513A12012-03-28
US4041261A1977-08-09
EP1039495A22000-09-27
US3953693A1976-04-27
US20160126035A12016-05-05
Attorney, Agent or Firm:
BARKER BRETTELL LLP (GB)
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