Patent ID: 9644860
Date: 2017-05-09
CPC Classifications: F24F

Claim:
1. An airflow direction control device of an air-conditioning indoor unit capable of causing a flow of blown air blown out from a blow-out port to be diverted in a predetermined direction due to the Coanda effect, the airflow direction control device of the air-conditioning indoor unit comprising: a positionable Coanda vane provided in proximity to the blow-out port, the Coanda vane being arranged and configured to turn the blown air into a Coanda airflow along a bottom surface thereof due to the Coanda effect; a movable airflow direction adjustment vane arranged and configured to vary a vertical direction of the blown air, the airflow direction adjustment vane being positioned at a bottom of die blowout port such that airflow only flows on an upper side of the airflow direction adjustment vane; a first driving unit configured to drive the Coanda vane; a second driving unit configured to drive the airflow direction adjustment vane; and a controller configured to perform a control in which