Device and method for controlling drying period of time of a lau

Details Device and method for controlling drying period of time of a lau Device and method for controlling drying period of time of a lau

1994-01-11

1996-09-17

Bennett, Henry A.

Drying and gas or vapor contact with solids

Material treated by electromagnetic energy

Microwave energy

34486, 34495, F26B 334

Patent

active

055556418

ABSTRACT:
This invention relates to a control of drying period of time of a laundry dryer which is provided to use the microwave generated from a magnetron and the heat generated from a heater efficiently, and allows to dry every nook and corner of laundry within a short period of time by utilizing that the dielectric loss coefficient of water compared with that of textile is greater only using the microwave of the magnetron in the initial stage of drying operation, and allows to prevent damages to clothes as well as a uniform drying by carrying out drying operation altering the heat source from the microwave to heater and vice versa permitting to dry uniformly due to the steam of the textile flowing smoothly on progression of the drying operation, and improvement of dryness by using only the heat of the heater again within the drying finish section.

REFERENCES:
patent: 4795871 (1989-01-01), Strattan et al.
patent: 5315765 (1994-05-01), Holst et al.
patent: 5325600 (1994-07-01), Gentile

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