Fluid barrier curtain system

Details Fluid barrier curtain system Fluid barrier curtain system

1986-08-28

1987-09-29

Yuen, Henry C.

Heating

Work chamber having heating means

432 64, F24F 900

Patent

active

046962263

ABSTRACT:
A fluid barrier curtain at an aperture in a wall within a duct, as at the entrance to a furnace, is disclosed that maintains separation of fluids on opposite sides of said barrier curtain while permitting passage of objects therethrough. The barrier curtain comprises aperture zone defining means, means for shaping a fluid flow into a laminar sheet pattern and forcing said fluid across said aperture zone, receiving means having thin-edged vanes located opposite said fluid flow shaping means for receiving the resulting flow, so as to remain laminar, and a fluid supply to said fluid flow shaping means.

REFERENCES:
patent: 2939374 (1960-06-01), Caille
patent: 3068775 (1962-12-01), Zehnder
patent: 3163024 (1964-12-01), Beckwith et al.
patent: 3397631 (1968-08-01), Simons
patent: 3543532 (1970-12-01), Gratton et al.
patent: 3625133 (1971-12-01), Hayashi
patent: 3812684 (1974-05-01), Brown
patent: 3834293 (1974-09-01), Danieli
patent: 3935803 (1976-02-01), Bush

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