Combustion chamber structure of direct injection type diesel engine
A technology for combustion chambers and diesel engines, applied to combustion engines, mechanical equipment, engine components, etc., to achieve good fuel atomization and diffusion effects
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[0025] The embodiments of the present invention are explained below with reference to the drawings. Figure 13-27 Shows an embodiment of the present invention. versus figure 1 versus figure 2 The same reference numerals denote the same components.
[0026] Regarding the above reference figure 1 The illustrated direct injection diesel engine 1, in this embodiment, is as Figure 13 As shown, the outer periphery of the opening of the recess 10 that is recessed on the top surface of the piston 9 is provided with a stepped cutout 24 that is recessed relative to the top surface of the piston 9. The outer peripheral portion of the bottom surface of the cutout portion 24 rises radially outward along a gentle curved surface to form the top surface of the piston 9, and an inlet lip 11 is formed at the next step of the top surface of the piston 9, and the inlet lip 11 is formed by The inner peripheral portion of the cutout portion 24 and the combustion chamber wall portion 12 rising from ...
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