It turns out that the rotary vane engine design strongly resembles Raphial Morgado's MYT engine. (PESN and BeforeItsNews; April 23, 2011) Friday, April 22, 2011 Solar > Thin Film > Spray-on film turns windows into solar panels - Norweigan solar power company, EnSol, has patented a thin film solar cell technology designed to be sprayed on to surfaces such as windows and exterior walls.