| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase a heat exchanging capacity of an indoor-side heat exchanger without increasing an in-tube pressure loss of an outdoor-side heat exchanger. <P>SOLUTION: This air conditioner is composed of an indoor unit constituted by inserting a plurality of heat transfer tubes 12A having spiral grooves 13A of prescribed lead angles Ra on tube inner faces into a plurality of fins 11, and loading the indoor-side heat exchanger 10, and an outdoor unit constituted by inserting a plurality of heat transfer tubes 22A having lead angles Rb of spiral grooves 23A smaller than those of the heat transfer tubes 10A used in the indoor-side heat exchanger 10 into a plurality of fins 11, and loading the outdoor-side heat exchanger 20. <P>COPYRIGHT: (C)2009,JPO&INPIT |
