Blowoff orifice

Details Blowoff orifice Blowoff orifice

1996-11-01

1998-10-20

Doerrler, William

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

62411, 454305, F24F 1308

Patent

active

058230092

ABSTRACT:
A blowoff orifice is constituted by an upper wall, a lower wall and a vertical wind deflecting plate. The upper wall inclines so that a flow passage becomes narrow toward downstream and provided with a protrusion at its end portion. The lower wall has a horizontal linear portion on the downstream side and an end portion forming an acute angle at the tip of the linear portion. The vertical wind deflecting plate is provided between the upper wall and the lower wall, and capable of changing an airflow from a horizontal direction to a downward direction. The upper wall protrusion is located more downstream than the lower wall end portion.

REFERENCES:
patent: 4266722 (1981-05-01), Nawa et al.
patent: 4556172 (1985-12-01), Sugawara et al.

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