Air conditioning apparatus

Abstract

Provided is an air conditioning apparatus, including: a main body having at least one air inlet and at least one air outlet each being formed at a lower part of the main body; and a heat exchanger housed inside the main body and arranged in a flow passage of air to be sucked into the main body through the air inlet and blown out to a target space through the air outlet. The air outlet is formed between a heat exchanger outlet-side air duct wall and an opposing air duct wall, which is opposed to the heat exchanger outlet-side air duct wall. A thickness (L1) of the heat exchanger outlet-side air duct wall is 0.15L2 to 0.25L2, where L2 represents an inlet width of the air outlet.

1 . An air conditioning apparatus, comprising:
 a main body having at least one air inlet and at least one air outlet each being formed at a lower part of the main body; and   a heat exchanger housed inside the main body and arranged in a flow passage of air to be sucked into the main body through the air inlet and blown out to a target space through the air outlet,   wherein the air outlet is formed between a heat exchanger outlet-side air duct wall and an opposing air duct wall, which is opposed to the heat exchanger outlet-side air duct wall, and   wherein a thickness L1 of the heat exchanger outlet-side air duct wall is 0.15L2 to 0.25L2, where L2 represents an inlet width of the air outlet.   
     
     
         2 . An air conditioning apparatus according to  claim 1 ,
 wherein an upper end of the heat exchanger outlet-side air duct wall comprises, in an air outlet-side region thereof, a curved surface portion formed of a curved surface, which is convex toward an air duct side, and   wherein a range L3 of the curved surface portion in a thickness direction is equal to or larger than 0.4L1.   
     
     
         3 . An air conditioning apparatus according to  claim 1 ,
 wherein an upper end of the heat exchanger outlet-side air duct wall comprises a curved surface portion and a flat surface portion,   wherein the curved surface portion is formed of a curved surface, which is convex toward an air duct side, and is positioned at the upper end of the heat exchanger outlet-side air duct wall, which is close to a center portion of the air outlet, and   wherein the flat surface portion is positioned at the upper end of the heat exchanger outlet-side air duct wall, which is closer to the heat exchanger than the curved surface portion.   
     
     
         4 . An air conditioning apparatus according to  claim 1 ,
 wherein the heat exchanger outlet-side air duct wall comprises a curved surface portion and a flat surface portion,   wherein the curved surface portion is formed of a curved surface, which is convex toward an air duct side, and is positioned at an upper end of the heat exchanger outlet-side air duct wall, and   wherein the flat surface portion is positioned closer to a center portion of the air outlet than the curved surface portion, and is positioned at an end of an upstream side of the heat exchanger outlet-side air duct wall in a region opposed to the opposing air duct wall.   
     
     
         5 . An air conditioning apparatus according to  claim 2 , wherein a part of the curved surface portion, which is positioned at each end portion of the heat exchanger outlet-side air duct wall in a longitudinal direction, is larger than a part of the curved surface portion, which is positioned at a center portion of the heat exchanger outlet-side air duct wall in the longitudinal direction. 
     
     
         6 . An air conditioning apparatus according to  claim 1 ,
 wherein the heat exchanger outlet-side air duct wall comprises a stepped portion,   wherein the stepped portion is positioned at the heat exchanger outlet-side air duct wall in a region opposed to the opposing air duct wall, and   wherein a region below the stepped portion of the heat exchanger outlet-side air duct wall is concave away from the opposing air duct wall.   
     
     
         7 . An air conditioning apparatus according to  claim 1 , wherein a distance L5 between the heat exchanger outlet-side air duct wall and the heat exchanger is smaller than the thickness L1 of the heat exchanger outlet-side air duct wall. 
     
     
         8 . An air conditioning apparatus, comprising:
 a main body having at least one air inlet and at least one air outlet each being formed at a lower part of the main body; and   a heat exchanger housed inside the main body and arranged in a flow passage of air to be sucked into the main body through the air inlet and blown out to a target space through the air outlet,   wherein the air outlet is formed between a heat exchanger outlet-side air duct wall and an opposing air duct wall, which is opposed to the heat exchanger outlet-side air duct wall, and   wherein a thickness L1 of the heat exchanger outlet-side air duct wall is 0.15L2 to 0.25L2, where L2 represents an inlet width of the air outlet,   wherein a thickness L1′ of the heat exchanger outlet-side air duct wall at the each end portion in the longitudinal direction is larger than the thickness L1 of the heat exchanger outlet-side air duct wall at the center portion in the longitudinal direction.