Vortex blower

Details Vortex blower Vortex blower

1981-07-21

1983-11-01

Hornsby, Harvey C.

Rotary kinetic fluid motors or pumps

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

Cross flow runner

415 53T, 415119, 415213T, F04D 2966

Patent

active

044127812

ABSTRACT:
A vortex blower including a casing, an annular air passageway defined in the casing, an impeller mounted for rotation in the casing, a partition wall, a suction port and a discharge port disposed on both sides of the partition wall and communicated with each other through the annular air passageway, and an extension wall formed by extending at least one wall surface of the partition wall along a surface of rotation of the impeller, the extension wall tapering in going toward its forward end. The blower is further formed with at least one projecting wall continuous with the partition wall and an inner wall surface of the air passageway in the vicinity of the partition wall, for shutting off the noise produced in the vicinity of the partition wall and preventing it from being transmitted to outside to thereby reduce the noise produced by the blower.

REFERENCES:
patent: 2632394 (1953-03-01), Andrews
patent: 3002341 (1961-10-01), Muzzy
patent: 3324799 (1967-06-01), Terrano
patent: 3355095 (1967-11-01), Hollenberg

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