Absorption–compression heat pump
Device that can provide cooling and heating effects using both thermal and electrical energy sources, obtained by integrating an electric compressor in an absorption heat pump
An absorption–compression heat pump (ACHP), also sometimes called compression–absorption heat pump, is a device that integrates an electric compressor in an absorption heat pump. In some cases this is obtained by combining a vapor-compression heat pump and an absorption heat pump. It is also referred to as a hybrid heat pump which is however a broader field. Thanks to this integration, the device can obtain cooling and heating effects using both thermal and electrical energy sources. This type of systems is well coupled with cogeneration systems where both heat and electricity are produced. Depending on the configuration, the system can maximize heating and cooling production from a given amount of fuel, or can improve the temperature (hence the quality) of waste heat from other processes. This second use is the most studied one and has been applied to several industrial applications.
History
1748
The first absorption–compression heat pump cycle concept was patented by Osenbrück. Little research on it was done in the following years.
1950-1951
Altenkirch performed a detailed theoretical study identifying the cycle as having a significant energy saving potential.
“Absorption–compression heat pump” enters the record as device that can provide cooling and heating effects using both thermal and electrical energy sources, obtained by integrating an electric compressor in an absorption heat pump. Crown Archives preserves that source wording while asking what Absorption, compression and heat can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 15, 2026. The linked authority identifier is Q127380091. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1748, 1950 and 1951.
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