| 摘要 |
Disclosed is an internal combustion engine assembly comprising an engine block 120 defining a cylinder 125 and a cylinder head 130 fixed to the engine block 120. A common rail 170 is integrally formed in the cylinder head 130 and defines a fuel passage 175 arranged to convey fuel to a fuel injector 160 for the combustion chamber 150. The arrangement provides a single unit comprising the cylinder head 130 and common rail accumulator 170. A cooling fluid conduit 620 may be provided around the common rail 170 within the cylinder head 130. Casting techniques may be used in the manufacturing process.
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