Method and apparatus for torch working materials

Details Method and apparatus for torch working materials Method and apparatus for torch working materials

1993-12-15

1995-01-31

Kastler, Scott

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

Having adjuvant material feed

266 48, B23K 700

Patent

active

053853369

ABSTRACT:
Torch apparatus (20) for working a material comprises a mixer (28) with a central body (32) placed inside the inner space (30) of the mixer, and a torch tip (22) with a combustion chamber (24) and a nozzle (26). Fuel and oxidizer components are delivered into the mixer, mix with each other into a propellant and interact with the central body which includes a spark plug (60) in one of embodiments. The central body acts to control thermodynamic parameters of the propellant mixture to be set to fire from a spark discharge and burnt under high pressure, forming a supersonic high temperature gaseous jet acting upon the material. Also disclosed is a method in which the apparatus is to be implemented and comprising steps of providing a fuel and an oxidizer, mixing the fuel with the oxidizer, burning the propellant mixture under high pressure and forming a supersonic high temperature nonoverwidened gaseous jet out of products of combustion to act upon the material.

REFERENCES:
patent: 3246115 (1966-04-01), Johnson
patent: 3463601 (1969-08-01), Childree
patent: 4057705 (1977-11-01), Cockrum et al.

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