Method and apparatus for heating and drying fabrics in a drying

Details Method and apparatus for heating and drying fabrics in a drying Method and apparatus for heating and drying fabrics in a drying

1987-09-03

1989-01-03

Macon, Robert S.

Electric heating

Metal heating

Of cylinders

219 1055A, 219 1055F, 219 1057, 34 30, 34 39, 34 46, H05B 664

Patent

active

047958715

ABSTRACT:
The invention relates to a microwave heating and drying method and apparatus utilizing a multiplicity of microwave propagating sources positioned about a heating and drying chamber. The microwave energies are optimized to provide a greater uniformity in the heating and drying of articles disposed in the heating and drying chamber, while preventing interference of the wave propagations. The microwave pulses are cross-polarized and time-multiplexed. Also, the focusing and spread angles are controlled. The end point of the drying cycle is sensed to control microwave generation.

REFERENCES:
patent: 3934106 (1976-01-01), MacMaster et al.
patent: 4006338 (1977-01-01), Dehn
patent: 4356640 (1982-11-01), Jansson
patent: 4412389 (1983-11-01), Kruger
patent: 4432147 (1984-02-01), Chen et al.
patent: 4499614 (1985-02-01), Yeagley
patent: 4558523 (1985-12-01), Isbell et al.
patent: 4631380 (1986-12-01), Tran
patent: 4660298 (1987-04-01), Nambu et al.

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