| 摘要 |
<p>A device incorporated into a heat pump unit in which a multiple circulation heast exchanger device operating at a variety of temperature levels is attached. The heat exchanger of which there is only one for each individual circulation system, is attached to the pressure producing side of only one single compressor. Control and operational devices are attached either in front of or behind each individual heat exchanger unit. The rate of rotation of the compressor used for transport of the coolant medium can be continuously steplessly varied.</p> |
