Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Murray F Feller0
Date of Patent
August 17, 2010
0Patent Application Number
124994200
Date Filed
July 8, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The specific heat of working fluids used in commercial heating systems commonly change with temperature and composition. Conventional heat metering systems assume a fixed value of the specific heat at a nominal temperature. This source of inaccuracy is removed by measuring the specific heat of a working fluid as a heating system operates and using the currently measured value in calculating the heat transferred. The real time specific heat measurement may be made by using a specific heat sensor having either a resistive heating element or a thermoelectric module.
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