Enhanced air-flow blower wheel

Details Enhanced air-flow blower wheel Enhanced air-flow blower wheel

1989-12-14

1991-01-01

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Perimetric blading extending axially between annular members

416187, 415206, B63H 702, B64C 1100

Patent

active

049814168

ABSTRACT:
An enhanced, air-flow convection oven is disclosed, comprising an oven chamber liner circumscribed by a thermally insulated outer oven shell with a heat source in a combustion chamber between the shell and the liner. Hot air flows from the combustion chamber and into a uniquely constructed blower wheel assembly. The blower assembly has a concave central plate configuration which creates a negative pressure behind the blower wheel assembly, inducing a flow of hot air from the back of the blower wheel assembly into the blower wheel assembly as the wheel rotates. This hot air is mixed with air from within the chamber to produce uniform heating throughout the chamber.

REFERENCES:
patent: 1916626 (1933-07-01), McKean et al.
patent: 2266180 (1941-12-01), Emerick
patent: 2960316 (1960-11-01), McKellar
patent: 3991703 (1976-11-01), Faust et al.
patent: 4428717 (1984-01-01), Catterfeld

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