I thought 'Yusmar' was what Yuri Potapov called his heater. It works by vortex cavitation whereas Griggs' device uses the "holey rotor".
Terry On Jan 7, 2008 11:24 AM, Jones Beene <[EMAIL PROTECTED]> wrote: > Siberian winters are underway - and the vortex cavitation heater is > keeping many former Commies warm and cozy, at low cost, thanks to a > company called Alkoil... with possible help from Stolie, on the side. > > Of course, they are claiming that this pump was invented by a Russian. > > Yes, the units are more economical than even coal heat over there - but > according to the table on the web site, the price of electricity is > figured at less than one third the US price. > > http://akoil.ru/en/products/vhg/ > > QUOTE: > > "For a long time there have been disputes about, whether a vortex heat > generator (VHG) can produce more thermal energy than consume electric > one? Or whether the efficiency of VTG can be higher than 100%?" > > "We have no doubts about it. We have obtained the results, confirming > the coefficient of transformation of electrical energy into mechanical > and then into thermal one to be much more than 1...." > > "The VHG construction, created in 1993 by Potapov Y.S." > > > No mention of James Griggs, the Hydrosonic Pump or even Yusmar, another > Russian company. > > BTW a patent was issued to Griggs' predecessor Company, Hydro Dynamics, > Inc for the ShockWave Power generator in 1993 (U.S. Patent No. 5,188,090). > > Do you think they are getting royalties from Alkoil? > >
