Patent ID: 7687270
Filing Date: 2010-03-30
Classification: G01M,G01N,Y10T

Abstract:
1. A fuel monitoring system for use in a transportation system, the fuel monitoring system comprising: a fuel leak detector comprising a colorimetric chemical monitor configured to change color in response to presence of a fuel, and an optical reader comprising a first optical detector configured to monitor a color of a first portion of the calorimetric chemical monitor based on an intensity of first reflected light from the colorimetric chemical monitor, and a second optical detector configured to monitor a color of a second portion of the colorimetric chemical monitor based on an intensity of second reflected light from the colorimetric chemical monitor; and an alarm system in electronic communication with the fuel leak detector and configured to provide an alarm when a color of the calorimetric chemical monitor changes by a predetermined amount, wherein there are different reagents in the first and second portions.