Method and apparatus for gas circulation in a heat treating furn

Details Method and apparatus for gas circulation in a heat treating furn Method and apparatus for gas circulation in a heat treating furn

1976-01-05

1978-04-25

Camby, John J.

Heating

Processes of heating or heater operation

Controlling flame position or work atmosphere

34 92, 432205, F27D 700

Patent

active

040860507

ABSTRACT:
The method for gas circulation in a furnace, such as a vacuum furnace, for the heat treatment of work pieces wherein the gas is caused to circulate with turbulence while avoiding a set or stable flow pattern and the vacuum furnace adapted to carry out this method by means of fans so located and operated as to circulate the gas with turbulence and vorticity.

REFERENCES:
patent: 1949716 (1934-03-01), Harsch
patent: 2091172 (1937-08-01), Wilson
patent: 2589811 (1952-03-01), Holcroft
patent: 2800317 (1957-07-01), Ipsen
patent: 2839285 (1958-06-01), Vickers
patent: 3399875 (1968-09-01), Ipsen
patent: 3517916 (1970-06-01), Ross et al.
patent: 3837794 (1974-09-01), Phillips
patent: 3850574 (1974-11-01), Namba

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