Patent ID: 8267056

Claim:
A split-cycle internal combustion engine comprising: a cylinder block; a plurality of cooperating power pistons and cylinders mounted in the cylinder block, the power pistons configured to be energized by forces of combustion; a compressor piston and cylinder mounted in the cylinder block and configured to compress a volume of air and transfer the compressed air to the power pistons; an expander piston and cylinder mounted in the cylinder block and configured to receive exhaust gases from the power pistons; a first crankshaft operatively connected to and rotatably driven by the power pistons; a second crankshaft operatively connected to the compressor piston and configured to rotatably drive the compressor piston; and a third crankshaft operatively connected to the expander piston and configured to be rotatably driven by the expander piston; wherein the first, second, and third crankshafts are operatively connected to each other for coordinated rotation.