AIR CONDITIONING INDOOR UNIT AND AIR CONDITIONER

Title:

AIR CONDITIONING INDOOR UNIT AND AIR CONDITIONER

Document Type and Number:

WIPO Patent Application WO/2021/054181

Kind Code:

A1

Abstract:

This air conditioning indoor unit (1) comprises a first horizontal blade (41) and a second horizontal blade (51), wherein: an interval between the first horizontal blade (41) and the second horizontal blade (51) is wider on the downstream side of flow of blown air than on the upstream side of the flow of the blown air; and a heating operation can be performed in a first airflow control mode in which the blown air flows diagonally downward on a side opposite to a wall surface (W) side, a portion of the blown air flows along a lower wing surface of the first horizontal blade (41), and the other portion of the blown air flows along an upper wing surface of the second horizontal blade (51), a second airflow control mode in which the blown air flows along a horizontal direction, and a third airflow control mode in which the blown air flows closer to the wall surface (W) than in the first airflow control mode. After start of the heating operation, a control device switches an airflow control mode in order of the second airflow control mode, the first airflow control mode, and the third airflow control mode.

Inventors:

TSUTSUMI TOMOHIKO (JP)
UGAI KOUJI (JP)
YAMAKAWA TAKESHI (JP)
ITOU HIROSHI (JP)
NISHIDA TERUO (JP)

Application Number:

PCT/JP2020/033797

Publication Date:

March 25, 2021

Filing Date:

September 07, 2020

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)

International Classes:

F24F11/74; F24F11/79; F24F13/20

Foreign References:

JP2017067401A	2017-04-06
JP2004317109A	2004-11-11
JP2013076530A	2013-04-25
JP2017125678A	2017-07-20

Other References: