US 12,482,585 B2
Surge arrester
Martin Glass, Rheinfelden (DE); Ektor Sotiropoulos, Horgen (CH); and Bernhard Richter, Wettingen (CH)
Assigned to Hitachi Energy Ltd, Zürich (CH)
Appl. No. 18/282,397
Filed by Hitachi Energy Ltd, Zürich (CH)
PCT Filed Mar. 17, 2022, PCT No. PCT/EP2022/056929
§ 371(c)(1), (2) Date Sep. 15, 2023,
PCT Pub. No. WO2022/194987, PCT Pub. Date Sep. 22, 2022.
Claims priority of application No. 21163542 (EP), filed on Mar. 18, 2021.
Prior Publication US 2024/0170188 A1, May 23, 2024
Int. Cl. H01C 7/12 (2006.01); H01C 1/022 (2006.01); H02H 1/00 (2006.01); H02H 1/04 (2006.01); H02H 3/22 (2006.01); H02H 9/06 (2006.01)
CPC H01C 7/12 (2013.01) [H01C 1/022 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surge arrester, comprising
an elongate housing having an interior comprising an interior surface that extends along a longitudinal axis between a first end and a second end of said housing;
an active member, arranged at least partially within the interior and extending along the longitudinal axis; and
an enclosure that is fixed to or integrally formed with the housing and that closes the interior at the first end,
the enclosure comprising a predetermined breaking line, the active member having a cross section that extends, at least partly, radially beyond the breaking line, and
the breaking line extending around the longitudinal axis, defining an inner enclosure portion and an outer enclosure portion.