Ceiling cassette air conditioner

Abstract

An object of the present invention is to provide a ceiling cassette air conditioner with which design deterioration due to wind direction vanes during operation is reduced. The ceiling cassette air conditioner of this invention includes a main body arranged in a ceiling and having a rectangular cross-section opening opens on a room side, a blower fan blowing air taken in from an air inlet to a discharge outlet in the main body, a heat exchanger arranged in the main body and downstream of the blower fan and exchanging heat with the air taken in from the air inlet, a decorative panel covering the opening to be flush with a ceiling surface, and wind direction vanes arranged in the discharge outlet for adjusting blowing directions. The wind direction vanes are arranged behind the decorative panel.

1 - 10 . (canceled) 
     
     
         11 . A ceiling cassette air conditioner comprising:
 a main body arranged in a ceiling and having a rectangular cross-section opening on a room side of the main body;   a blower fan arranged in the main body, and configured to blow air taken in from an air inlet of the main body to a discharge outlet of the main body;   a heat exchanger arranged in the main body and downstream of the blower fan, and configured to exchange heat with the air taken in from the air inlet;   a decorative panel covering the opening; and   a wind direction vane arranged in the discharge outlet, and configured to adjust a blowing direction,   wherein the decorative panel includes a peripheral panel having a rectangular frame shape, and a central panel having a rectangular plate shape and arranged to fill a central portion of the peripheral panel, and   wherein the wind direction vane is arranged behind the decorative panel when the ceiling cassette air conditioner is in operation.   
     
     
         12 . The ceiling cassette air conditioner according to  claim 11 , wherein the decorative panel is arranged to be flush with a ceiling surface. 
     
     
         13 . The ceiling cassette air conditioner according to  claim 11 , further comprising a lifting device to raise and lower the decorative panel,
 wherein the lifting device lowers the decorative panel when the blower fan is operated.   
     
     
         14 . The ceiling cassette air conditioner according to  claim 13 , wherein the lifting device controls a lowering amount of the decorative panel depending on a rotation frequency of the blower fan. 
     
     
         15 . The ceiling cassette air conditioner according to  claim 14 , wherein the lifting device raises and lowers the peripheral panel, and
 wherein the lifting device lowers the peripheral panel when the blower fan is operated.   
     
     
         16 . The ceiling cassette air conditioner according to  claim 15 , wherein the air inlet and the discharge outlet are formed by lowering the peripheral panel with the lifting device. 
     
     
         17 . The ceiling cassette air conditioner according to  claim 15 , wherein the lifting device controls a lowering amount of the peripheral panel depending on the blowing direction. 
     
     
         18 . The ceiling cassette air conditioner according to  claim 15 , wherein the lifting device controls a lowering amount of the peripheral panel depending on rotation frequency of the blower fan.