Fluid suction nozzle and fluid-treating apparatus

Details Fluid suction nozzle and fluid-treating apparatus Fluid suction nozzle and fluid-treating apparatus

1992-04-30

1993-11-23

Joyce, Harold

Ventilation

Having protecting air current

Surrounding protected area

454 66, 454190, F24F 316

Patent

active

052638979

ABSTRACT:
A fluid suction nozzle and a fluid-treating apparatus are used in the cleaning of air inside a local space. The suction nozzle has a suction passage and plural annular discharge passages surrounding the suction passage. The nozzle is connected with an air cleaner, etc. The air inside a local space is to be drawn in through the suction passage. At the same time, a larger amount of air is to be discharged from the discharge passages. The velocity at which fluid will flow from the outer discharge passage is smaller than that at which fluid from the same source will flow from the inner discharge passage.

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