Austrian tech company ecop has developed a rotation heat pump with a reported coefficient of performance (COP) of 4.0 – 7.0. The 700 kW machine operates under temperatures of 150 degrees Celsius ...

IN the Philosophical Magazine (6), 8, 716, 1904, an experiment was described, designed to test the effect of the earth's rotation on the ... of a fifty horse-power pump. One of the ends was ...