Vortex blower

Details Vortex blower Vortex blower

1982-12-20

1984-11-20

Yuen, Henry C.

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Cross flow runner

415 55, 60366, F04D 2934

Patent

active

044836562

ABSTRACT:
A vortex blower having an impeller provided with an annular recess laterally opening around an axis of rotation, a casing disposed so as to face the impeller and cover a radially outer portion of the impeller, an arcuate recess formed around the rotation axis in a portion of the casing which extends between a suction port and a discharge port and opposes to the annular recess, and a plurality of blades provided in the annular recess to divide the recess into a plurality of circumferentially arranged pockets, each having a radially outer end extending towards the arcuate recess beyond the annular recess. The vortex blower having such a construction can operate safely even when drawing air in which dust is suspended.

REFERENCES:
patent: 2692560 (1954-10-01), Zeidler
patent: 2983432 (1961-05-01), Tupper
patent: 2989284 (1961-06-01), Corbett
patent: 3145535 (1964-08-01), Schneider
patent: 3355095 (1967-11-01), Hollenberg
patent: 3356033 (1967-12-01), Ullery
patent: 3542496 (1970-11-01), Bergeson
patent: 4247246 (1981-01-01), Abe et al.

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