| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To keep a refrigerant pressure in an optimum state according to an operating condition, in particular, the operating condition in a heating operation. <P>SOLUTION: This air conditioner 10 comprising a refrigerant circuit 100 constituted by successively connecting a compressor 16, a four-way valve 18, outdoor heat exchangers 19A, 19B and indoor heat exchangers 21A, 21B, 21C, further comprises a receiver tank 71 connected to the outdoor heat exchangers 19A, 19B in parallel, and a liquid pipe 53, an inlet valve 72 and an outlet valve 73 as a refrigerant bypass circuit for allowing a part of the refrigerant to flow to a suction side of the compressor 16 while bypassing the outdoor heat exchangers 19A, 19B, through the receiver tank 71 in the heating operation. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
