Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1978-04-28
1980-06-10
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 43, 34 44, 34 48, 34 54, 34 55, 219497, F26B 2106
Patent
active
042065526
ABSTRACT:
Disclosed is a control system for controlling the operation of an appliance and the like which is particularly adaptable for controlling at least one operation variable of an apparatus for drying articles such as a clothes dryer, washer-dryer or similar type of appliance. The drying apparatus is capable of accurately drying any number of articles to a desired degree of dryness irrespective of time by sensing a plurality of temperatures and deriving a final temperature difference for each load of articles indicative of the degree of dryness desired. Furthermore, the control system provides the ability to optionally control the drying apparatus by timing its operation, to control the temperature of the air used for drying, to reduce the temperature of the air used for drying before the completion of an operation cycle so as to avoid setting wrinkles, and to determine and indicate when excessive lint has accumulated on the lint filter. The control system includes a control element for processing a plurality of signals representing programmable values of operation variables and representing varying conditions associated with the operation of the appliance in accordance with a control strategy, means for addressing the control element with such signals, and means for activating and deactivating the appliance in accordance with the control strategy.
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Goldstein Sanders
Pomerantz Daniel I.
Spofford, Jr. Walter R.
Mallory Components Group Emhart Industries, Inc.
Schwartz Larry I.
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