SPRING-ENERGIZED SEAL FOR HIGH TEMPERATURE SEALING OF POWER CABLE TO CONNECTOR Russian patent published in 2018 - IPC H01R13/52 H02K5/10 F04D13/10 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electrical engineering, in particular to a connector for use in connecting a power cable to a component in a downhole pumping system. High-temperature connection device for connecting the power cable to the motor comprises an outer housing, an inner housing inside the outer housing, a cable conductor disposed through the inner housing, and comprising a core and an insulation layer surrounding the core. Cable conductor also having at least one spring-energized seal disposed around the cable conductor. Wherein at least one spring-energized seal is radially expanded or compressed in response to compression or expansion of the insulation layer.

EFFECT: improving connection quality.

18 cl, 5 dwg