Internal combustion engine system and an exhaust treatment unit for such a system
AssigneeVolvo Truck Corporation
InventorsLennart Andersson, Arne Andersson, Bengt Johansson, Nhut Lam, Staffan Lundgren
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Abstract
An internal combustion engine system includes a compressor arranged to compress air, at least one combustor, at least one of the at least one combustor being arranged to receive the compressed air, and an exhaust treatment device arranged to process exhaust gases produced by at least one of the at least one combustor, a heat exchanger arranged to receive the compressed air from the compressor before it reaches the at least one of the at least one combustor, and wherein the heat exchanger is arranged to transfer heat from the compressed air to the exhaust treatment device.
Claims24
An internal combustion engine system comprising
- a compressor arranged to compress air, and
- at least one combustor, at least one of the at least one combustor being arranged to receive the compressed air,
- a heat exchanger arranged to receive the compressed air from the compressor before the compressed air reaches the at least one of the at least one combustor,
- an exhaust treatment device arranged to process exhaust gases produced by at least one of the at least one combustor, and
- wherein the system comprises an expander arranged to receive the exhaust gases from the at least one of the at least one combustor, and to expand and extract energy from the exhaust gases, the exhaust treatment device being arranged to receive the exhaust gases from the expander, the heat exchanger is arranged to receive the exhaust gases from the expander, the heat exchanger is arranged to transfer heat from the compressed air to the exhaust treatment device, whereby the temperature of the exhaust treatment device is increased to improve the process therein.
Dependencies are inferred from the claim text.