Patent ID: 9458741
Filing Date: 2016-10-04
CPC Classification: F01L,F02B,F02D

Claim Text:
1. A split-cycle phase variable reciprocating piston spark ignition engine comprising: a compressor unit having a compression chamber configured to carry out an intake stroke and a compression stroke of a four stroke engine cycle; a power unit having an expansion chamber configured to carry out an expansion stroke and an exhaust stroke of the four stroke engine cycle; an expansion chamber volume modifier configured to modify a volume and a shape of the expansion chamber; a crossover gas passage configured to transfer compressed gas from the compression chamber of compressor unit to the expansion chamber of the power unit, the expansion chamber is directly connected to the expansion chamber volume modifier; a phase altering mechanism configured to alter a phase relation between the compressor unit and the power unit; and an electronic controller configured to provide control commands for operating at least one actuator and one motor of the split-cycle phase variable reciprocating piston spark ignition engine.