Turbo charged combustion engine with water injection
AssigneeAB Volvo
InventorsLars Sandberg, Bjorn Scheuer
Life of this patent
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Abstract
The invention relates to a turbo charged combustion engine with water injection. The characterizing feature of the engine is that there is provided one water injector for each cylinder, each respective injector facing the inlet port for injecting at least the main portion of the water jet straight into the inlet port.
Claims7
Turbo charged combustion engine comprising a plurality of cylinders, each cylinder having an inlet valve that opens to admit a combustible mixture to the associated cylinder, means to supply a said combustible mixture to each said inlet valve, means to supply water to said cylinders, said water supply means comprising a separate water injection valve for each cylinder, said valves being directed toward the inlet valve of each cylinder, and a control unit for sequentially operating the water injection valves in synchronism with the opening and closing of the inlet valves.
Dependencies are inferred from the claim text.