Patent ID: 9309830
Filing Date: 2016-04-12
CPC Classification: F01P,F02F

Claim Text:
1. A cylinder head, comprising: an intake port which opens into a combustion chamber; an exhaust port per cylinder; a fuel injection device which opens into the combustion chamber; a valve web region formed between the intake port and the exhaust port; a casting slug having a bore which receives the fuel injection device; a receiving sleeve received by the bore of the casting slug; an annular chamber in the bore to concentrically surround the fuel injection device and defined by the casting slug and the receiving sleeve; a fire deck; at least one cooling chamber having a cooling distribution duct through which a coolant flows, and which is arranged in a region of, and extends substantially parallel to, a fire deck, and which opens into the annular chamber; at least one first cooling bore extending from the annular chamber to cool the valve web region, and which adjoins the fire deck; and at least one second cooling bore extending from the annular chamber, and which is directed approximately tangentially to an outside surface of the exhaust port facing the at least one cooling chamber.