thanks all, i found a us pat # 4024841 which is the one i remember, does any one know if this design would be efficient, seems to have a lot of moving parts
just a quick question i hope some one can answer, a few years ago i came across a drawing of an internal combustion engine that was shaped like a shere with an out put shaft and internal vanes (that created the compression) it was also had variable compression properties, can anyone direct me to...