Cross flow fan and air conditioner fitted with the same

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Cross flow runner

Reexamination Certificate

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Details

C416S184000, C416S20000R

Reexamination Certificate

active

06899515

ABSTRACT:
Cross flow fan having a plurality of unit fans assembled in succession with the unit fans twisted from each other at sides, and an air conditioner fitted with the same. The unit fan includes an annular rim, and a plurality of impellers arranged on a side of the rim vertical to, and along a circumference of the rim. The present invention provides a cross flow fan extension lines from the impellers of the unit fan have a phase difference with the extension lines from the impellers of an adjacent unit fan. The air conditioner includes a casing having an inlet and an outlet, an indoor unit inclusive of an indoor heat exchanger provided in rear of the inlet inside of the casing, and a cross flow fan having a plurality of unit fans assembled at sides in succession, with the unit fans twisted from each other, the cross flow fan being provided inside of the casing, and the unit fan having an annular rim, and a plurality of impellers arranged on a side of the rim vertical to, and along a circumference of the rim, and an outdoor unit having an outdoor heat exchanger and a compressor, the outdoor unit connected to the indoor unit with refrigerant pipe.

REFERENCES:
patent: 5573059 (1996-11-01), Hamamoto et al.
patent: 5611667 (1997-03-01), Nagamori et al.
patent: 6026103 (2000-02-01), Oliver et al.
patent: 6149381 (2000-11-01), Lee
patent: 6345951 (2002-02-01), Choi
patent: 1118843 (1997-03-01), None
English Language Abstract of CN 1118843A.

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