Microwave vacuum dryer apparatus

Details Microwave vacuum dryer apparatus Microwave vacuum dryer apparatus

1985-07-23

1986-11-11

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055F, 219 1055M, 34 1, H05B 672

Patent

active

046224483

ABSTRACT:
Slot-array antennas are connected by waveguides (14, 15, 16, 17) to microwave generators and are disposed within a vacuum drying tank of a drying apparatus. Blocking plates (23) are mounted in the waveguides so as to keep the waveguides airtight thereby maintaining an atmospheric pressure within the waveguide portions near the microwave generator during operation of the apparatus. The slot-array antennas (19, 20, 21, 22) have heat pipes (27) attached to the sides of said antennas so that a heat radiation may be effected simultaneously with the microwave heating.

REFERENCES:
patent: 3276138 (1966-10-01), Fritz
patent: 4160145 (1979-07-01), Rueggeberg
patent: 4310739 (1982-01-01), Hatem
patent: 4330946 (1982-05-01), Courneya
patent: 4332091 (1982-06-01), Bensussan et al.
patent: 4400604 (1983-08-01), Ohtsuka et al.
patent: 4435629 (1984-03-01), Ishimaru et al.

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