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US 6,149,381 AGranted
Cross flow fan for air conditioner
AssigneeSamsung Electronics Co., Ltd.
InventorJai-kwon Lee
Life of this patent
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Abstract
A cross flow fan of an air conditioner adapted to attenuate or offset high sound and low sound which are generated during operation of the cross flow fan to thereby minimize noise and to prevent restriction of revolution thereof, the cross flow fan mounted with a plurality of diaphragms 50 partitioned in multi stages and a plurality of blades 51 horizontally disposed among the diaphragms 50 wherein a distance between blades 51 disposed among the diaphragms 50 is differently arranged for respective diaphragms 50.
Claims11
An air conditioner, comprising:
- an indoor unit, comprising:
- a cross-flow fan, said cross-flow fan comprising:
- a first partitioned fan having randomly pitched blades;
- and
- a second partitioned fan axially fused to said first partitioned fan and separated from said first partitioned fan by a diaphragm, said second partitioned fan having equally pitched blades.
2 more elements
An air conditioner, comprising:
- an indoor unit, comprising:
- a cross-flow fan, said cross-flow fan comprising:
- a plurality of first partitioned fans having randomly pitched blades;
- and
- a plurality of second partitioned fans having equally pitched blades;
- said partitioned fans with randomly pitched blades being fused, separated by diaphragms, in an alternating arrangement with said partitioned fans with equally spaced blades;
- and
- one of the partitioned fans with randomly pitched blades forming one end of the cross-flow fan, and one of the partitioned fans with equally pitched blades forming the other end of the cross-flow fan.
5 more elements
Dependencies are inferred from the claim text.