Indoor unit of air-conditioning apparatus

Abstract

An indoor unit of an air-conditioning apparatus includes a main body, the main body including a back case shaped like a box and provided with an open front face, and a front case joined to the front face of the back case, wherein on a bottom face of the front case, at a location away from a joining portion between the back case and the front case, a step is formed protruding downward.

1 . An indoor unit of an air-conditioning apparatus, the indoor unit comprising a main body, the main body including:
 a back case shaped like a box and provided with an open front face, and   a front case joined to the front face of the back case, wherein   a bottom face of the front case has a step formed thereon, the step being formed at a location away from a joining portion between a bottom face of the back case and the bottom face of the front case, the step protruding downward.   
     
     
         2 . The indoor unit of an air-conditioning apparatus of  claim 1 , wherein the step is formed extending along a width direction of the front case. 
     
     
         3 . The indoor unit of an air-conditioning apparatus of  claim 1 , wherein a length of the step in a width direction of the front case is shorter than a width of the front case. 
     
     
         4 . The indoor unit of an air-conditioning apparatus of  claim 1 , wherein a plurality of the steps are formed in a width direction of the front case. 
     
     
         5 . The indoor unit of an air-conditioning apparatus of  claim 1 , further comprising a fan provided inside the main body, wherein
 an air outlet adapted to blow out air sent from the fan is formed in the bottom face of the front case, and   between the step and the air outlet, the bottom face of the front case includes a flat portion formed into a flat shape.   
     
     
         6 . An indoor unit of an air-conditioning apparatus, the indoor unit comprising a main body, the main body including:
 a back case shaped like a box and provided with an open front face, and   a front case joined to the front face of the back case, wherein   a bottom face of the back case has a step formed thereon, at a location away from a joining portion between the bottom face of the back case and a bottom face of the front case, the step protruding downward.   
     
     
         7 . The indoor unit of an air-conditioning apparatus of  claim 6 , wherein the step is formed extending along a width direction of the back case. 
     
     
         8 . The indoor unit of an air-conditioning apparatus of  claim 6 , wherein a length of the step in a width direction of the back case is shorter than a width of the back case. 
     
     
         9 . The indoor unit of an air-conditioning apparatus of  claim 6 , wherein a plurality of the steps are formed in a width direction of the back case. 
     
     
         10 . The indoor unit of an air-conditioning apparatus of  claim 1 , wherein a height of the step is between 4 mm and 10 mm, both inclusive. 
     
     
         11 . The indoor unit of an air-conditioning apparatus of  claim 1 , wherein the step is formed at a location 10 mm or more away from the joining portion. 
     
     
         12 . The indoor unit of an air-conditioning apparatus of  claim 6 , wherein a height of the step is between 4 mm and 10 mm, both inclusive. 
     
     
         13 . The indoor unit of an air-conditioning apparatus of  claim 6 , wherein the step is formed at a location 10 mm or more away from the joining portion.