US 12,237,135 B2
Vacuum interrupter
Klaus Hoepfl, Maxhuette-Haidhof (DE); Silke Wrede, Zeitlarn (DE); Markus Zintl, Mitterteich (DE); and Anniyappan Palani, Regensburg (DE)
Assigned to MASCHINENFABRIK REINHAUSEN GMBH, Regensburg (DE)
Appl. No. 18/002,489
Filed by Maschinenfabrik Reinhausen GmbH, Regensburg (DE)
PCT Filed Jun. 15, 2021, PCT No. PCT/EP2021/066010
§ 371(c)(1), (2) Date Dec. 20, 2022,
PCT Pub. No. WO2022/008175, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 10 2020 117 769.0 (DE), filed on Jul. 6, 2020.
Prior Publication US 2024/0029967 A1, Jan. 25, 2024
Int. Cl. H01H 9/00 (2006.01); H01H 33/662 (2006.01)
CPC H01H 9/0038 (2013.01) [H01H 33/66261 (2013.01); H01H 2033/66276 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A vacuum interrupter arrangement for a tap changer, the vacuum interrupter arrangement comprising:
a vacuum interrupter;
a metal shield configured to shield against external magnetic fields, the metal shield having a hollow cylindrical design and being arranged around at least a part of a cylindrical outer surface of the vacuum interrupter; and
a holder, which is arranged on an outside of the metal shield and the vacuum interrupter, and which surrounds the metal shield and the vacuum interrupter at least partially coaxially,
wherein the holder has a plurality of holding elements which hold the metal shield in position relative to the vacuum interrupter, and
wherein the holding elements comprise at least two radially inward projecting protrusions which form a stop for a first end and a second end of the metal shield.