Transverse fan

Details Transverse fan Transverse fan

1994-12-28

1997-03-18

Larson, James

Fluid reaction surfaces (i.e., impellers)

Perimetric blading extending axially between annular members

416187, 416200R, 416198R, 416203, F04D 2928

Patent

active

056116675

ABSTRACT:
A transverse fan in which a plurality of blades are disposed between disk- or ring-shaped end plates in a circumferential arrangement at fixed mounting pitches in a ring-shaped configuration. Partitions plates are disposed at intermediate portions in the longitudinal direction of the blades such that each of the blades is inclined at fixed angles with respect to a fan axis and mounted at unequal pitches. The transverse fan includes a plurality of multi-bladed impeller units disposed between the disk-shaped end plates. Each of the multi-bladed impeller units has one disk-shaped partition plate having one surface on which a plurality of blades are integrally disposed along a circumferential direction thereof at unequal pitches and inclined at predetermined angles so as to extend along the axial direction of the transverse fan. A plurality of the multi-bladed impeller units are integrally stacked coaxially with each other to form the transverse-fan. The multi-bladed impeller units are integrally stacked one by one in an arrangement such that the units are displaced at predetermined angles with respect to each other around the fan axis.

REFERENCES:
patent: 4538963 (1985-09-01), Sugio et al.
patent: 5266007 (1993-11-01), Bushnell et al.
patent: 5269655 (1993-12-01), Chang

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