Patent ID: 11923096
Assignee: HITACHI ENERGY LTD
Field: Measurement (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 0:
1. An inspection system for inspecting a machine, comprising:
an inspection vehicle constructed for wireless operation while submersed in a dielectric liquid medium, wherein the inspection vehicle is self-propelled;
a controller operative to direct activities of the inspection vehicle;
a plurality of status interrogation systems disposed on the inspection vehicle; and
a base station operative to wireles sly direct the activities of the inspection, wherein the controller is a part of the base station,
wherein the plurality of status interrogation systems are operative to capture inspection data regarding a plurality of inspection procedures performed on the machine,
wherein the plurality of status interrogation systems includes a magnetometer operative to quantify a magnetic field of the machine,
wherein the magnetometer is a three axis magnetometer and
wherein the plurality of status interrogation systems includes more than two microphones operative to sense sound waves associated with a partial discharge and that are disposed on the inspection vehicle.