Patent ID: 8499617

Claim:
A dual submarine leak detection system, comprising: first and second submarines, each of the submarines having: a housing; at least one leak detector mounted on the housing; means for determining a leak condition in an immediate environment of the submarine; a communication transceiver mounted in the housing for remotely communicating the leak condition and a location of the leak condition; a motor mounted within the housing; a drive shaft connected to the motor; a propeller connected to the drive shaft, wherein the combination of motor, drive shaft and propeller being adapted for propelling the submarine through a fluid-filled pipe; means for steering the submarine through the fluid-filled pipe and pipe joints associated therewith; and at least one retractable leg having an engaging member mounted thereon for releasably linking with a power and communication hub mounted within the fluid-filled pipe; a tether securing the first and second submarines together, wherein said tether comprises an outer tether housing and a cable disposed therein; means for transmitting and receiving inter-submarine communication and command signals through the cable; and means for transmitting and receiving power through the cable.