Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 2, 2010
Patent Application Number
11744229
Date Filed
May 4, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
An instrumentation system utilizes a single light source collimated through windows through a gas line in communication with a fuel cell. As each beam passes through each window, the gas stream will attenuate each beam. A diffraction grating disperses each attenuated beam and transmits particular wavelength bands through a focusing system to a detector. The measured concentration in the gas stream may then be utilized by a controller to determine the amount of power produced by the cell, determine potential leaks, or determine incomplete reaction.
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