20100043735 | SUPERCHARGED INTERNAL COMBUSTION ENGINE INCLUDING A PRESSURIZED FLUID OUTLET - A supercharged internal combustion engine including a pressurized fluid outlet, the engine comprising a two-ended piston, with one end received in a combustion chamber, and another end received in a hydraulic chamber. The piston further including a portion intermediate the two ends and received within an air chamber, and the air chamber has an air outlet communicating with a combustion air inlet to the combustion chamber. | 02-25-2010 |