Method and apparatus for dehydrating fruit

Details Method and apparatus for dehydrating fruit Method and apparatus for dehydrating fruit

1991-02-21

1992-08-04

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055B, 34 1R, H05B 678

Patent

active

051351226

ABSTRACT:
A vessel that encloses a chamber for drying a product containing moisture is provided with microwave radiation generating devices to elevate the temperature of the moisture in the product so that moisture escapes from the product. The vessel is also provided with a thermal radiator for directing infrared radiation toward the product to elevate the temperature of the product so as to contribute to the escape of moisture therefrom. The thermal radiator includes a plurality of metal heating plates which coplanar and spaced apart to provide openings therebetween to permit microwave radiation to pass to the product.

REFERENCES:
patent: 4477706 (1984-10-01), Mittelsteadt
patent: 4542268 (1985-09-01), Jarvis et al.
patent: 4640020 (1987-02-01), Wear et al.
patent: 4675507 (1987-06-01), Akiyoshi et al.
patent: 4687895 (1987-08-01), Chitre et al.
patent: 4746968 (1988-05-01), Wear et al.

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