Suction structure of a sirocco fan housing

Details Suction structure of a sirocco fan housing Suction structure of a sirocco fan housing

1992-11-23

1996-06-11

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415 582, 415 583, F01D 102

Patent

active

055250360

ABSTRACT:
This invention relates to a suction structure of a sirocco fan housing, the suction structure including a separate fluid suction guide, or a bellmouth member having a fluid suction guide integral therewith, disposed in a suction opening of the housing to reduce noises generated by a vortex flow in the fan and minimize a dead zone and a vortex phenomenon generated at the forward end portion of the fan, thereby enhancing efficiency of the fan.

REFERENCES:
patent: 3011693 (1961-12-01), Downs et al.
patent: 4202296 (1980-05-01), Nonnenmann et al.
patent: 4255080 (1981-03-01), Wilson
patent: 4357914 (1982-11-01), Hauser

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