US 12,217,920 B2
Switchgear with overmolded dielectric material
Elhanafi A. Shamseldin, Naperville, IL (US); Janet Ache, Bolingbrook, IL (US); Blair S. Kerr, Downers Grove, IL (US); and Nenad Uzelac, St. John, IN (US)
Assigned to G & W ELECTRIC COMPANY, Bolingbrook, IL (US)
Appl. No. 17/606,367
Filed by G & W ELECTRIC COMPANY, Bolingbrook, IL (US)
PCT Filed Apr. 24, 2020, PCT No. PCT/US2020/029841
§ 371(c)(1), (2) Date Oct. 25, 2021,
PCT Pub. No. WO2020/219899, PCT Pub. Date Oct. 29, 2020.
Claims priority of provisional application 62/839,278, filed on Apr. 26, 2019.
Claims priority of provisional application 62/899,577, filed on Sep. 12, 2019.
Prior Publication US 2022/0216022 A1, Jul. 7, 2022
Int. Cl. H01H 33/662 (2006.01); H01H 33/666 (2006.01)
CPC H01H 33/66207 (2013.01) [H01H 33/666 (2013.01); H01H 2033/6623 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A switchgear apparatus configured for operation at voltages up to 72.5 kV, the switchgear apparatus comprising:
a vacuum interrupter assembly including a vacuum bottle having an upper portion and a lower potion;
a sleeve surrounding the vacuum bottle;
a dielectric material surrounding the sleeve;
a first terminal having a first end coupled to the upper portion of the vacuum bottle and a second end configured for coupling to a power line; and
an interchange coupled to the lower portion of the vacuum bottle,
wherein the dielectric material is molded around the sleeve and around at least a portion of the first terminal or the interchange,
wherein the sleeve is compressed between the first end of the first terminal and the upper portion of the vacuum bottle, and
wherein the sleeve includes a ridge that forms a seal between the interchange and the lower portion of the vacuum bottle.