Arrangement for measuring moisture in ovens, in particular food cooking ovens
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United States of America Patent
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Dec 28, 1993
Grant Date -
N/A
app pub date -
Apr 26, 1993
filing date -
Apr 29, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An arrangement measures humidity in ovens, in particular fan-assisted food-cooking ovens which have a cooking cavity (8) and a separate cavity (10) that houses a cooling fan and is separated from the first cavity by a partition wall (9). The arrangement includes a body (13) made of highly heat-conductive metal, which passes through the partition wall (9) and has ends (17, 18) introduced in the cooking cavity (8) and the separate cavity (10), respectively. The arrangement also includes a heat-sink provision (19, 28, 32) connected with the end (18) of said metal body (13), and three temperature sensors (21, 22, 26) that are adapted to measure the temperatures of said two ends (17, 18) and the cooking cavity (8), respectively. These sensors are further connected with a microprocessor means (25) to supply it with information related to the temperatures they measure, so as to enable the microprocessor means (25) to determine the humidity contents of the air in the oven upon reaching the water-vapor condensation temperature at the end (17) of said metal body.
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