Internal combustion engine has at least one water injection valve opening by beginning of induction stroke

摘要

The engine has at least one cylinder with a piston, having at least one induction valve, and with a device to supply water to reduce nitrogen oxides. At least one injection valve (7) is fitted in the region of the induction valve (5), which is open not later than at the beginning of the induction stroke. The injection valve may include an atomizing jet (8).