Vehicle Piston-Engine Two-Phase Cooling Systems

Prior-art two-phase systems for cooling automotive piston engines have several handicaps which have been responsible for them not having been mass produced to date. Those handicaps are identified, and the salient distinctive features of a new technology which eliminates those handicaps are listed. Two embodiments of that technology, suitable for piston engines, are described in outline. Similar embodiments can also be used with rotary engines.