| 摘要 |
A heat pump apparatus comprising: a scroll compressor including an orbiting scroll member in which a spiral wrap is formed on a first base plate, and an non-orbiting scroll member in which a spiral wrap is formed on a second base plate and a back pressure chamber for introducing pressure into a side of the orbiting scroll member or the non-orbiting scroll member opposite to a compression chamber formed by the orbiting and non-orbiting scroll members; a heat-exchanger; an expansion device; device for detecting a consumption power of the heat pump apparatus or the compressor; and device for changing the pressure in the back pressure chamber in accordance with an output from the detecting device.
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