Cross-flow fan and an air-conditioner using it

Details Cross-flow fan and an air-conditioner using it Cross-flow fan and an air-conditioner using it

1999-03-26

2000-12-12

Verdier, Christopher

Rotary kinetic fluid motors or pumps

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

Cross flow runner

415119, 416178, 416187, 416203, F04D 2928

Patent

active

061589543

ABSTRACT:
A number of vanes 12 are disposed in a peripheral direction of a plurality of supporting disks disposed along a rotary shaft 14 at given intervals. Each vane 12 is disposed at an angular interval as determined by a logistic representation. Thereby the intensity and variations of noise levels at around 8N on the low-frequency side, as well as the noise level caused by rotary first-order sounds, can be reduced.

REFERENCES:
patent: 4538963 (1985-09-01), Sugio et al.
patent: 5266007 (1993-11-01), Bushnetll et al.
patent: 5611667 (1997-03-01), Nagamori et al.

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