From the Alternative Site at: http://www.draaisma.net , the latest (but not last) invention is shown here. Apart from a lower COP at moderate temperatures, the Atmospheric Heat Pump (AHP) beats the very expensive regular heat pump on all fronts. It is a cheap design and it uses no refrigerants, but plain air, or a nobel gas instead. The AHP performs INDEPENDENTLY from the temperature difference over the machine, while a regular heat pump stops performing when it becomes too large.
The drive power is used to create a vacuum pressure, against which the atmosphere does the greater work. Through this, the AHP gives the same performance, whether on the North Pole, or in the Sahara, but at different output temperatures. Even in tempered climate zones the output temperature can be high enough to drive a steam turbine, while it can cool the condensor as well! All what is missing now, is the AHP not to be on the market yet - developers needed to make it happen!
A printable version of this video with more info can be downloaded at:
http://www.draaisma.net/ahp.pdf
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