Process for monitoring the heat gradient in a heat-producing sys

Details Process for monitoring the heat gradient in a heat-producing sys Process for monitoring the heat gradient in a heat-producing sys

1986-03-31

1987-01-27

Favors, Edward G.

Combustion

With indicator or inspection means

110185, 110193, F23D 512

Patent

active

046392106

ABSTRACT:
A process for monitoring the heat gradient in a heat-producing system is disclosed. Also disclosed is an apparatus which can be used in the process. In this process, at least three heat sensors, which are situated downstream from a heat source, determine the temperature of the exhaust gas from the heat source. Each of the heat sensors used produces a substantially identical response to a given temperature. The output from each two sequential heat sensors is operatively connected to an indicator, which evaluates whether the downstream heat sensor is reporting a temperature lower than the upstream heat sensor; if the downstream heat sensor does report a lower temperature than the upstream heat sensor, then the indicator reads positive; but if the downstream heat sensor reports a highter temperature than the upstream heat sensor, then the indicator reads negative. The output from each indicator is fed to a switching device, which is activated only if and when any one of the indicators in the system reads negative. When the switching device is turned on, an alarm is activated.

REFERENCES:
patent: 3667408 (1972-06-01), Jasinsky et al.
patent: 4102627 (1978-07-01), Reed et al.

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