Thermal measuring and testing – Calorimetry – Heat value of combustion
Patent
1984-07-02
1985-08-06
Frankfort, Charles
Thermal measuring and testing
Calorimetry
Heat value of combustion
374 37, 374 38, G01N 2522
Patent
active
045332584
ABSTRACT:
The apparatus materializing the method of determining the content of combustibles in the products of fuel combustion incorporates an oven with an electric heater connected into the load circuit of a controllable voltage source. The oven is provided with a pipe for introducing a sample of the end products of fuel combustion and with pipes for admitting an oxidizing agent and removing the end products of combustion of the combustibles. The sample is heated in the presence of the oxidizing agent to a temperature equal to or higher than the fire point of the combustibles present in the sample which, consequently, burn down. The temperature during the process of combustion is maintained constant with the aid of a temperature controller having its input connected to a temperature transducer located in the oven and its output connected to the output of the controllable voltage source. A meter of electric power connected into the external circuit of the voltage source serves to measure the power consumed by the electric heater in maintaining the constant temperature, the content of combustibles being judged by said measurements.
REFERENCES:
patent: 4059007 (1977-11-01), Miller et al.
patent: 4088447 (1978-05-01), Walker
patent: 4305724 (1981-12-01), Micko
patent: 4329873 (1982-05-01), Maeda
patent: 4329874 (1982-05-01), Maeda
Frankfort Charles
Schuster David R.
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