AIR CONDITIONER - DAIKIN IND LTD

Title:

AIR CONDITIONER

Document Type and Number:

WIPO Patent Application WO/2014/050364

Kind Code:

A1

Abstract:

An air conditioner is configured so as to reduce airflow noise by steadying a swirl airflow. Either a stabilizer (32) and/or a rear guider (20), the stabilizer (32) and the rear guider (20) being disposed on both sides of the outer periphery of a cross-flow fan (10) and forming an air flow passage, has formed at the front end thereof: first stepped sections (28a-28c) having a height decreasing toward the axial center (M) of the fan (10); and second stepped sections (28d, 28e) having a height increasing toward the axial center (M) of the fan (10), the first stepped sections (28a-28c) and the second stepped sections (28d, 28e) being arranged side by side in the axial direction. At least one of the first stepped sections (28a-28c) is configured such that, in an axial range thereof having a predetermined length, the amount of change in the height of the at least one of the first stepped sections (28a-28c) has a first predetermined value less than the value of the amount of change in the height of the second stepped sections (28d, 28e).

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Inventors:

UDA MASAFUMI
NAKAI SATOSHI

Application Number:

PCT/JP2013/072147

Publication Date:

April 03, 2014

Filing Date:

August 20, 2013

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

F24F1/00

Foreign References:

JP2002286244A	2002-10-03
JPH09100795A	1997-04-15
JP2002061867A	2002-02-28
JPH02203129A	1990-08-13

Other References: