MICROWAVE PLAZMA TORCH, POWDER MANUFACTURING EQUIPMENT AND MANUFACTURE OF SAME

Title:

MICROWAVE PLAZMA TORCH, POWDER MANUFACTURING EQUIPMENT AND MANUFACTURE OF SAME

Document Type and Number:

Japanese Patent JPS63312907

Kind Code:

A

Abstract:

Microwave plasma torch characterised in that it comprises at least one gas-intake duct (1, 2); a resonator cavity (3) forming, around the said duct, a sleeve open on the exit side of the said duct and comprising a lateral opening (4); a coaxial transition structure perpendicular to the sleeve comprising on the one hand an outer tube (5) connected to the lateral opening (4) of the sleeve and on the other hand an inner member (6) one of whose ends (20) is in contact with the said duct and whose other end is in contact with the outer surface of a waveguide (8) and carries a transition piece (7) disposed inside the waveguide (8); the said waveguide (8) for supplying microwave energy with rectangular cross-section and perpendicular to the coaxial structure (5, 6) being provided with an opening (27) wherein is connected the outer tube (5) of the said structure; means of supplying cladding gas in the waveguide (8) and/or the coaxial structure (5, 6) and/or the sleeve; possibly tuning means; and possibly means of igniting the plasma. It also relates to a device and a method for manufacturing powder.

Inventors:

JIYANNRUTSUKU RABA
RASAN UGARAN
MISHIERU GASUTEIJIE

Application Number:

JP4767388A

Publication Date:

December 21, 1988

Filing Date:

March 02, 1988

Export Citation:

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Assignee:

AIR LIQUIDE

International Classes:

B22F9/30; H05H1/30; H05H1/42; H05H1/46; (IPC1-7): B22F9/30; H05H1/30; H05H1/42

Attorney, Agent or Firm:

Shigeru Yagita (3 outside)

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