A split-cycle internal combustion engine is provided with an engine block and an expansion section having a plurality of expansion cylinders and a rotating drive shaft, which is supported by a first portion of the engine block and is operated by the expansion cylinders; the engine is further provided with a compression section having a volumetric compressor with a rotating driven shaft, which is supported by a second potion of the engine block and is distinct and spaced apart from the rotating drive shaft; the volumetric compressor has at least one compression cylinder extending along an axis, which is inclined relative to the axes of the expansion cylinders so as to form an angle.

An internal combustion engine system includes a reciprocating compressor for pressurizing a fluid medium and having a compressor cylinder for accommodating a compressor piston. The compressor cylinder has a main cylinder volume and a secondary adjustable volume in fluid communication with the main cylinder volume so as to provide a variable geometrical compression ratio.

An internal combustion engine system includes a reciprocating compressor for pressurizing a fluid medium and having a compressor cylinder for accommodating a compressor piston. The compressor cylinder has a main cylinder volume and a secondary adjustable volume in fluid communication with the main cylinder volume so as to provide a variable geometrical compression ratio.

A split-cycle internal combustion engine is provided with an engine block and an expansion section having a plurality of expansion cylinders and a rotating drive shaft, which is supported by a first portion of the engine block and is operated by the expansion cylinders; the engine is further provided with a compression section having a volumetric compressor with a rotating driven shaft, which is supported by a second portion of the engine block and is distinct and spaced apart from the rotating drive shaft; the volumetric compressor has at least one compression cylinder extending along an axis, which is inclined relative to the axes of the expansion cylinders so as to form an angle.

An internal combustion engine system, includes a two-stroke piston machine having a cylinder for accommodating a reciprocating piston, and further at least one valve for regulating a flow of fluid medium; the ICE system further comprising a rotatable crankshaft for operating the reciprocating piston. The rotatable crankshaft comprises an integrated cam lobe arranged to operate the at least one valve of the two-stroke piston machine.

An internal combustion engine system includes a reciprocating compressor for pressurizing a fluid medium and having a compressor cylinder for accommodating a compressor piston. The compressor cylinder has a main cylinder volume and a secondary adjustable volume in fluid communication with the main cylinder volume so as to provide a variable geometrical compression ratio.

The present disclosure provides a six-cylinder opposed free piston internal combustion engine generator. The generator comprises two free piston internal combustion engine sets, one opposed piston internal combustion engine set and two linear generator sets. Air entering cylinders is subjected to first-stage compression in low-pressure cylinder sets in the free piston internal combustion engine sets and the opposed piston internal combustion engine set and then subjected to second-stage compression in high-pressure cylinder sets, and a high pressure gas produced after the combustion is subjected to first-stage expansion in the high-pressure cylinder sets and then subjected to second-stage expansion in the low-pressure cylinder sets. The technical problem about how to improve the power generation efficiency of the opposed free piston generator and improve the reliability of the device is solved, the six-cylinder opposed free piston internal combustion engine generator is provided, a dual piston dual cylinder type free-piston internal combustion engine linear generator is used for replacing a return device in the opposed free piston generator, and the reliability and the power generation efficiency of the device are improved.

The present disclosure provides a six-cylinder opposed free piston internal combustion engine generator. The generator comprises two free piston internal combustion engine sets, one opposed piston internal combustion engine set and two linear generator sets. Air entering cylinders is subjected to first-stage compression in low-pressure cylinder sets in the free piston internal combustion engine sets and the opposed piston internal combustion engine set and then subjected to second-stage compression in high-pressure cylinder sets, and a high pressure gas produced after the combustion is subjected to first-stage expansion in the high-pressure cylinder sets and then subjected to second-stage expansion in the low-pressure cylinder sets. The technical problem about how to improve the power generation efficiency of the opposed free piston generator and improve the reliability of the device is solved, the six-cylinder opposed free piston internal combustion engine generator is provided, a dual piston dual cylinder type free-piston internal combustion engine linear generator is used for replacing a return device in the opposed free piston generator, and the reliability and the power generation efficiency of the device are improved.

An internal combustion engine system, includes a two-stroke piston machine having a cylinder for accommodating a reciprocating piston, and further at least one valve for regulating a flow of fluid medium; the ICE system further comprising a rotatable crankshaft for operating the reciprocating piston. The rotatable crankshaft comprises an integrated cam lobe arranged to operate the at least one valve of the two-stroke piston machine.

The present disclosure provides a six-cylinder opposed free piston internal combustion engine generator. The generator comprises two free piston internal combustion engine sets, one opposed piston internal combustion engine set and two linear generator sets. Air entering cylinders is subjected to first-stage compression in low-pressure cylinder sets in the free piston internal combustion engine sets and the opposed piston internal combustion engine set and then subjected to second-stage compression in high-pressure cylinder sets, and a high pressure gas produced after the combustion is subjected to first-stage expansion in the high-pressure cylinder sets and then subjected to second-stage expansion in the low-pressure cylinder sets.