| 摘要 |
The invention relates to a cylinder-head assembly (10) for a heat engine, in particular of a motor vehicle, referred to as a cylinder-head assembly having an overhead camshaft, comprising a cylinder head (10) rotatably receiving a camshaft (12) which is rotatably guided in said cylinder head (10) via at least two bearings (14), each bearing (14) comprising at least: an inner cylindrical seat (16) secured to the periphery of the camshaft (12); and a bearing base (18) comprising a lower outer half-seat (20) secured to the cylinder head; a bearing cap (22) comprising an upper outer half-seat (24), which is capable of being attached to the cylinder head (10) opposite the bearing base (18) in order to adjust the lower outer half-seat with the upper outer half-seat so as to form an outer seat of the bearing, characterised in that at least the outer seat (20, 24) of each bearing (14) is obtained by cold-spraying metal and/or ceramic powders using a gas according to a so-called gas dynamic spraying method. |
