The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2013
Filed:
Jul. 14, 2010
Raimondo Betti, Tenafly, NJ (US);
Alan West, Tenafly, NJ (US);
Raimondo Betti, Tenafly, NJ (US);
Alan West, Tenafly, NJ (US);
The Trustees of Columbia University in the City of New York, New York, NY (US);
Abstract
A method and apparatus for sensing corrosion comprises a casing and a counter-electrode. The casing is made of material that is substantively incompressible at pressures on wires within a structural cable. The casing has a thickness that is not greater than typical interstitial spaces between wires of the structural cable and has a length on an order of a radius of the structural cable. The counter-electrode exchanges electrons with ions of an electrolyte that corrodes the wires of the structural cable. The counter-electrode is embedded in the casing, is exposed to the electrolyte in a window of the casing, and is recessed to avoid contact with any wire of the structural cable when the sensor is deployed among the wires of the structural cable.