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US 2020/0217244 A1Published application
Internal combustion engine arrangement
AssigneeVolvo Truck Corporation
InventorsArne ANDERSSON, Staffan LUNDGREN
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AssigneeVolvo Truck Corporation
InventorsArne ANDERSSON, Staffan LUNDGREN
Estimating the term…
The present invention relates to an internal combustion engine arrangement for a vehicle, said internal combustion engine arrangement comprising a combustion cylinder housing a reciprocating combustion piston, and an expansion cylinder housing a reciprocating expansion piston, said expansion cylinder being arranged in downstream fluid communication with the combustion cylinder for receiving combustion gases exhausted from the combustion cylinder, wherein the internal combustion engine arrangement further comprises a pressure tank arranged in fluid communication with the expansion cylinder, wherein the internal combustion engine arrangement is further arranged to be operated in a first operating mode in which compressed gas generated in the expansion cylinder is delivered to the pressure tank, and a second operating mode in which compressed gas contained in the pressure tank is delivered from the pressure tank to the expansion cylinder.
An internal combustion engine arrangement for a vehicle, the internal combustion engine arrangement comprising a combustion cylinder housing a reciprocating combustion piston, and an expansion cylinder housing a reciprocating expansion piston, the expansion cylinder being arranged in downstream fluid communication with the combustion cylinder for receiving combustion gases exhausted from the combustion cylinder, wherein the internal combustion engine arrangement further comprises a pressure tank arranged in fluid communication with the expansion cylinder, wherein the internal combustion engine arrangement is further arranged to be operated in a first operating mode in which compressed gas generated in the expansion cylinder is delivered to the pressure tank, and a second operating mode in which compressed gas contained in the pressure tank is delivered from the pressure tank to the expansion cylinder.
A method for controlling an internal combustion engine arrangement, the internal combustion engine arrangement comprising a combustion cylinder housing a reciprocating combustion piston, an expansion cylinder housing a reciprocating expansion piston, the expansion cylinder being arranged in downstream fluid communication with the combustion cylinder for receiving combustion gases exhausted from the combustion cylinder, and a pressure tank arranged in fluid communication with the expansion cylinder, wherein the method comprises the steps of:
Dependencies are inferred from the claim text.