Navy

Tank corrosion sensor data logger

  • U.S. Patent No. 6,809,506
  • Issued: October 26, 2004
  • Status: Active
Electronics Sensors

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A system using tank corrosion sensors to provide for an overall assessment and monitoring of the electrochemical corrosion and coatings condition in ships’ tanks, and particularly in ships’ seawater or compensated fuel tanks. The system includes reference half-cells mounted along a suspended cable and one instrumented sacrificial anode at the end of the cable to provide optimal sensing capability within a tank structure.

The reference half-cells and the sacrificial anode measure a potential and current output, respectively. Together the measurements provide objective information that can be used to predict corrosion damage and coating deterioration occurring throughout the structure of the tank. The system may be used for an overall assessment and monitoring of the electrochemical corrosion and coatings condition.

In a preferred embodiment, the measurements are stored in a data logger that is optimally contained within an associated instrument housing. If used with other systems in other tanks, the system may be used to monitor the relative tank condition, trend tank condition changes over time, range tank behavior into three categories and provide a direct analysis methodology for making tank maintenance decisions.

Prenegotiated License Terms

Non-Exclusive
Partially Exclusive
Exclusive
License Execution Fee
$2,500
$3,500
N/A
Royalty on Net Sales
3%
4%
N/A
Minimum Annual Royalty
$1,500
$2,000
N/A
Annual Patent Fee
$1,000
$1,500
N/A
Sublicensing
No
Yes
N/A
Sublicensing Royalty on Net Sales
N/A
4%
N/A
Sublicensing Royalty on Other Income
N/A
50%
N/A

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