A cylinder head assembly includes a cast cylinder head and a turbocharger housing integrally cast with the cylinder head. The integrated cylinder head and turbocharger housing includes: (i) a compact low wetted area to provide an uninterrupted flow path pointed directly at a catalyst face to facilitate achieving cold start emissions targets, (ii) a casting core assembly with specific core geometry and steps for assembly to enable core assembly while meeting all cylinder head and integrated turbine housing functional requirements, (iii) an oxygen sensor disposed pre-turbine in an integrated exhaust manifold, and (iv) a fully integrated PCV make-up air system.

Methods and systems are provided for a cylinder head with an exterior wall including a removable camshaft carrier. In one example, a cylinder head includes a camshaft carrier removably couplable to a mount surface of the cylinder head and adapted to form a portion of an exterior wall of the cylinder head while coupled to the mount surface. The camshaft carrier may include a first section removably couplable to the cylinder head and a second section removably couplable to the first section, with the first section and the second section together shaped to receive a camshaft journal.

Methods and systems are provided for a cylinder head with an exterior wall including a removable camshaft carrier. In one example, a cylinder head includes a camshaft carrier removably couplable to a mount surface of the cylinder head and adapted to form a portion of an exterior wall of the cylinder head while coupled to the mount surface. The camshaft carrier may include a first section removably couplable to the cylinder head and a second section removably couplable to the first section, with the first section and the second section together shaped to receive a camshaft journal.

A cylinder head for an internal combustion engine with at least one cylinder has a cooling duct system which has a coolant inlet side and a coolant outlet side, a combustion chamber section, two coolant-inlet-side gas ducts, two coolant-outlet-side gas ducts and two adjacent component openings, such as a spark plug opening and an injection nozzle opening. The cylinder head has an annular wall section provided between the component openings, on the one hand, and the gas ducts, on the other hand. The cooling duct system has a web cooling duct which runs into the annular wall section, extends between the coolant-inlet-side gas ducts and has an upper wall. The upper wall has a guiding surface which is directed obliquely downwards in the region of the annular wall section in order to deflect coolant in the direction of the combustion chamber section.

An internal combustion engine 100 comprising a cylinder head 102, a cylinder head cover 104, an intermediate flange 106 arranged between the head 102 and the head cover 104. A first opening extending from the head cover 104, through the intermediate flange, into the head 102, the first opening includes first internal threads lying inside the cylinder head area, a second opening having an integrated first threaded bolt provided at an end of the intermediate flange touching the cylinder head 102. A plurality of fasteners comprising a screw having a head, and a shaft fastening the head cover 104 and intermediate flange to the head such that the head of the screw rests directly on top of the cylinder head cover 104 when the screw is tightened.

An internal combustion engine 100 comprising a cylinder head 102, a cylinder head cover 104, an intermediate flange 106 arranged between the head 102 and the head cover 104. A first opening extending from the head cover 104, through the intermediate flange, into the head 102, the first opening includes first internal threads lying inside the cylinder head area, a second opening having an integrated first threaded bolt provided at an end of the intermediate flange touching the cylinder head 102. A plurality of fasteners comprising a screw having a head, and a shaft fastening the head cover 104 and intermediate flange to the head such that the head of the screw rests directly on top of the cylinder head cover 104 when the screw is tightened.

Cylinder cover for an internal combustion engine, comprising a cylinder head, a cylinder head cover, an intermediate flange arranged between the cylinder head and the cylinder head cover, a plurality of fasteners for fastening the cylinder head cover and the intermediate flange to the cylinder head. The plurality of fasteners comprising a first fastener having a first head with internal threads, and a first shaft with first external threads, and a second fastener comprising a second head, and a second shaft with second external threads. The first fastener fastens the intermediate flange to the cylinder head and the second fastener fastens the cylinder head cover to the intermediate flange.

Cylinder cover for an internal combustion engine, comprising a cylinder head, a cylinder head cover, an intermediate flange arranged between the cylinder head and the cylinder head cover, a plurality of fasteners for fastening the cylinder head cover and the intermediate flange to the cylinder head. The plurality of fasteners comprising a first fastener having a first head with internal threads, and a first shaft with first external threads, and a second fastener comprising a second head, and a second shaft with second external threads. The first fastener fastens the intermediate flange to the cylinder head and the second fastener fastens the cylinder head cover to the intermediate flange.

An engine device including an exhaust gas purification device above cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward from the flat portion and are fixed to the cylinder head. The flat portion and the leg portions are formed integrally. Portions between the legs are each formed in an arch-shape.

A system to attach valve seat inserts to an aluminum cylinder head of an automobile vehicle includes a cylinder head of an automobile vehicle engine having a valve seat portion. A valve seat insert is positioned in the valve seat portion of the cylinder head. A fusion bond is created between the valve seat insert and the valve seat portion by laser welding thereby fusing the valve seat insert to the valve seat portion.