Foods and beverages: apparatus – Subjecting food to an enclosed modified atmosphere – Automatic control or time means
Patent
1993-04-26
1993-12-28
Simone, Timothy F.
Foods and beverages: apparatus
Subjecting food to an enclosed modified atmosphere
Automatic control or time means
99330, 99331, 99470, 99476, 126 20, 126 21A, 219400, 219401, A21B 108
Patent
active
052729630
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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Simone Timothy F.
Zanussi Grandi Impianti S.p.A.
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