Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1979-11-27
1983-01-04
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
422186, 422628, B01J 308, B01J 1908
Patent
active
043671306
ABSTRACT:
An apparatus and method for reacting on matter with shock waves which are directed through or against said matter. In a preferred form, the shock waves are generated intermittently for an extended period of time, during which time the work is subjected to the high temperatures and pressures of the shock waves. Both chemical and physical changes may be effected in the material reacted on by the shock waves.
Where a plurality of shock waves are directed against the same matter to progressively change same, the apparatus includes means for amplifying the shock waves to increase the intensity of the individual waves and enhance or improve the reactive effects.
Both chemical and physical changes in matter are effected by means of the shock waves which may be generated intermittently by one or more means including the discharge of intense sparks in a fluid medium which comprises or is disposed coupled to the material to be worked by the shock waves, the direction of intense pulses of laser light or electron beam energy into the fluid or solid medium to be worked or coupled thereto and, in certain instances, the intermittent compression of a fluid by means of a piston or other device.
The matter to be reacted on may be disposed within the column or chamber in which the shock waves are generated or in direct alignment with the end of such a column or chamber.
In a particular form of the invention, a plurality of shock waves are simultaneously generated and directed against matter which is compressed by the shock waves as they advance toward each other.
REFERENCES:
patent: 2738172 (1956-03-01), Spiess, Jr., et al.
patent: 2745861 (1956-05-01), Bodine
patent: 2832666 (1958-04-01), Hertzberg et al.
patent: 2901320 (1959-08-01), Haller
patent: 3630866 (1971-12-01), Pelofsky
patent: 3941670 (1976-03-01), Pratt
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