Engine block of an internal combustion engine
A technology of engine block and internal combustion engine, applied in the direction of machine/engine, engine element, cylinder, etc., can solve the problem of difficult design of cylindrical area, and achieve the effect of small cutting work.
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[0034] figure 1 The engine block 1 according to the first exemplary embodiment is shown schematically. The engine block 1 has cylinders, which are represented by cylinder bores 4 . The cylinder bore 4 extends between the upper end 2 and the lower end 3 . In this case, the upper end 2 corresponds to that end onto which the cylinder head can be placed. The lower end 3 corresponds to that end onto which the crankcase can be placed. A piston can be arranged within the cylinder bore 4 , which can move up and down within the cylinder bore 4 in order to operate the internal combustion engine.
[0035] The cylinder bore 4 has a larger diameter than the smallest diameter in the region between the lower end 3 and a boundary which is at most 70%, preferably at most 60% of the distance between the upper end 2 and the lower end 3 from the upper end 2 %, particularly preferably up to 50%. Furthermore, it is provided that the diameter in this region increases at least in places towards ...
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