Heating system
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United States of America Patent
Stats
-
Nov 3, 1981
Grant Date -
N/A
app pub date -
Jun 7, 1979
filing date -
Jun 7, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for modifying a conventional furnace are disclosed whereby greatly improved furnace operating efficiency is obtained. The temperature of the structure, the outside temperature, and the temperature of the heat exchange fluid are measured. The rate of flow of fuel to the furnace is adjusted as a function of the difference between the outside temperature and the desired temperature of the structure. The fuel rate flow is further adjusted as a function of the difference between the furnace's heat exchange fluid temperature and the actual interior temperature of the structure. A further adjustment to fuel rate flow is effected as a function of the difference between the temperature of the interior of the structure and the desired structure temperature. A novel gas pressure valve is also disclosed for altering the rate of gas flow to the furnace.
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