| 摘要 |
A valve arrangement in an internal combustion engine, into which engine the air-fuel mixture is directly injected by relative pumping elements from a pressure chamber towards at least one cylinder provided with a valve aperture with its relative valve located within a valve body provided with at least one communication channel, between the valve and the valve aperture there being positioned an elastic element which when at rest maintains the valve in its closed position, the valve being inserted into said valve body by way of interposed elements, lockable in their selected position, for adjusting both the preload and its travel.
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