Schauberger
Impansions are slow processes of densation, which for example, can be exploited in so-called chillers or refrigerating machines and are to be viewed as normal de-stressing processes. [The Energy Evolution - Harnessing Free Energy from Nature, Explosion and Implosion - Expansion and Impansion]

[15] Linde process: (1) "A high pressure process for the production of liquid oxygen and nitrogen by compression to about 200 bar (20 MN/m2) followed by refrigeration and fractionation in a double column. - [Penguin Dictionary of Chemistry, Penguin Books, Great Britain, 1983, p.399.] [The Energy Evolution - Harnessing Free Energy from Nature, The Liquefaction of Coal by Means of Cold Flows]