Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1979-12-04
1981-05-19
Schwartz, Larry I.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 55, F26B 2110
Patent
active
042676436
ABSTRACT:
In a tumbler type of dryer, particularly for large capacity commercial and institutional laundries, a heating control system is provided which is responsive to the rate of increase of temperature of hot air leaving the dryer. When this temperature increase exceeds a preselected rate the dryer control system is automatically instructed to shut off or diminish the hot air supply, as well as the tumbler operation if desired. Thus energy is not wastefully consumed after the laundry is already dry; on the other hand, the dryer does not prematurely shut down while laundry is still damp, whereby the dryer must be started up again and energy again is unnecessarily wasted. Different settings are selected in accordance with the characteristics of the type of laundry being processed.
Anderson James E.
Schwartz Larry I.
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