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Title: Process and apparatus for subjecting a material to electromagnetic waves

Abstract: Apparatus is disclosed for treating dielectric material, which may be solid, liquid or gaseous, with microwaves. The apparatus comprises a cylindrical receptacle for the material and has one or more microwave antennae mounted within the receptacle for radiating microwave energy into the material to be treated. The form of the or each antennae is such that it defines a similar cylinder to the receptacle and is similarly oriented. For example, there may be a single antennae in the form of a rod or helix coaxial with the receptacle, or a plurality of rod-like antennae arranged to lie along respective generatrices of a cylinder surface coaxial with the receptacle. The or each antenna may be hollow and provided with longitudinal slots for radiating the energy. The apparatus provides uniform distribution of the energy along the length of the receptacle.


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Inventors: Jean, Olivier A. L. ("Les Trois Chenes" 14, avenue Beranger, 78600 Maisons Laffitte, FR)

Application Number: 06/143350
Filing Date: 1980-04-24
Publication_date: 1982-07-13
Assignee: Jean, Olivier A. L.

Primary Class(es): 219/697 219/748
Other Classes: B01J19/12; H05B6/80; H05B6/72
US Patent Ref:
2576862November, 1951Smith et al.219/10.55AMethod and apparatus for preserving foodstuffs
3092514June, 1963Tomberlin219/10.55AMethod and apparatus for cleaning and thawing flow lines and the like
3443051May, 1969Puschner219/10.55RAPPARATUS FOR HEATING METERIAL BY MEANS OF MICROWAVE DEVICE
3691338September, 1972Chang219/10.55RSOLID STATE MICROWAVE HEATING APPARATUS
3736592May, 1973Coleman343/854MULTIPLE BEAM RETRODIRECTIVE ARRAY WITH CIRCULAR SYMMETRY
3980855September, 1976Boudouris et al.219/10.55FMethod and apparatus for dissipating high frequency energy inside a material to be treated

Other Refs: DE2750923
May, 1978219/10.55F

Primary Examiner: Reynolds B. A.
Assistant Examiner: Leung, Philip H.
Attorney: Mcglew, And Tuttle
Parent Case Data:

This application is a continuation-in-part application to Ser. No. 849,182, filed on Nov. 7, 1977 now