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Combustion chamber for e.g. Diesel engine, has depression formed from annular cavity that includes tangent at inversion point and in plane of chamber, pointing towards plug for blowing gas circulating in cavity towards plug
Combustion chamber for e.g. Diesel engine, has depression formed from annular cavity that includes tangent at inversion point and in plane of chamber, pointing towards plug for blowing gas circulating in cavity towards plug
The chamber has a spark plug (4) fixed in a cylinder head (2), and a piston (3) mounted in cylinder (1) along an axis (Z). The piston has a front surface forming a container (5) that includes a depression (51) defined between a central pin (52) and a peripheral ring gear (6). The depression is formed from an annular cavity connected to the pin by an inversion point (IK) of concavity in an axial sectional plane of the chamber. The cavity has a tangent (T) at the point and in the plane, pointing towards the plug for blowing gas (G) e.g. fuel, circulating in the cavity towards the plug.
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