Fluid barrier curtain system

Details Fluid barrier curtain system Fluid barrier curtain system

1987-05-13

1990-04-10

Yuen, Henry C.

Heating

Having fluid curtain at chamber port or work path

432115, 98 36, F24F 900, F27D 700

Patent

active

049156225

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: 3094851 (1963-06-01), Beckwith
patent: 3834293 (1974-09-01), Danieli
patent: 3841614 (1974-10-01), Okuno
patent: 3844205 (1974-10-01), Watanabe
patent: 3963416 (1976-06-01), Mach
patent: 4275645 (1981-06-01), Ruff
patent: 4315456 (1982-02-01), Hayashi et al.

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