Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material
Patent
1998-07-02
2000-12-12
Wilson, Pamela
Drying and gas or vapor contact with solids
Process
Gas or vapor contact with treated material
34499, 34549, F26B 300
Patent
active
061581488
ABSTRACT:
The method detects impermissible operating states in a hot-air clothes dryer with a laundry drum. The temperature in the incoming air flow is detected periodically downstream of an incoming air heater and upstream of the drum. A differential value (difference value or gradient) is formed from two successively detected values. The differential value is compared with a predetermined differential value, and if the newly formed differential value is absolutely greater than the predetermined differential value, then a counting value is incremented by one step. The counting value is compared with a predetermined counting value and, if the current counting value is greater than the predetermined counting value, then the heating of the dryer is turned off and/or an operating state display is activated.
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patent: 4622759 (1986-11-01), Abe et al.
patent: 5347727 (1994-09-01), Kim
patent: 5367787 (1994-11-01), Ikeda et al.
patent: 5649372 (1997-07-01), Souza
BSH Bosch und Siemens Haus-geraete GmbH
Greenberg Laurence A.
Lerner Herbert L.
Mattera Michelle A.
Stemer Werner H.
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