Patent ID: 9450164
Filing Date: 2016-09-20
CPC Classification: H01B,H01L,H02G

Claim Text:
1. An electrical bushing, comprising: a first bushing portion and a second bushing portion; an electrical conductor disposed longitudinally within the first and second bushing portions, the electrical conductor having a first terminal extending from the first bushing portion and a second terminal extending from the second bushing portion, the first terminal for coupling to a first electrical element at ambient temperature, the second terminal for coupling to a second electrical element at cryogenic temperature; wherein the first and second bushing portions comprise a base insulator material, and wherein the first bushing portion further comprises an environmental protection layer disposed over and in direct contact with the base insulator material; a sealing flange for coupling the bushing to the cryostat enclosure, the sealing flange having a top surface for engaging a lower shoulder portion of the bushing; and a locking plate disposed within a radial groove in the bushing, the locking plate fixable to the sealing flange via a fastener, wherein the sealing flange is sandwiched between the shoulder portion of the bushing and the locking plate to fix the bushing to the sealing flange.