| 摘要 |
<p>The present invention relates to a heat pump type air conditioner. The air conditioner includes a compressor, an outdoor heat exhanger, an indoor exchanger, and a four way change valve, which characterized in that it further includes capillaries in parallel, expansion valves in parallel or an apparatus combined by a capillary and an expansion valve in parallel, in which the capillaries in parallel, the expansion valves in parallel and their combined apparatus of which are connected to the indoor heat exchanger and the outdoor heat exchanger respective. Said capillaries in parallel, expansion valves in parallel or said combined apparatus consist of a three-way valve or two one way valve in opposite pass direction, and two capillaries in parallel, two expansion valves in parallel, a capillary and an expansion valve in parallel, or an apparatus combined by two capillaries and two expansion in series. The present invention provides a new heat pump type air conditioner having new structure, excellent property and high efficiency.</p> |
