Patent ID: 9728817
Date: 2017-08-08
CPC Classifications: F16L,H01M,Y02E

Claim:
1. An apparatus for electrically charging a rechargeable power source of a pipeline tool while the pipeline tool is located within a pipeline, the apparatus comprising: a power module including a charging power source; an insertion module including an insertion mechanism, the insertion mechanism having a charging plug for mating with a charging socket of the pipeline tool and a drive assembly operable to extend and retract the charging plug; and a power line electrically connecting the charging power source to the charging plug; wherein the charging power source, the power line, and the charging plug are enclosed by a pressure barrier; wherein the power module includes a power module pressure vessel receiving the charging power source, the insertion module includes an insertion module pressure vessel receiving the insertion mechanism, and the apparatus further comprises a pressure hose equalizing pressure between the power module pressure vessel and the insertion module pressure vessel, wherein the power line extends through the pressure hose.