Piston skirt profile line structure
A piston skirt and wire structure technology, which is applied to pistons, engine components, machines/engines, etc., can solve problems such as the inability to guarantee piston heat resistance, stable guiding and good sealing functions
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[0008] like figure 1 As shown, the shape line structure of the piston skirt includes a seal ring groove 1, an inner ring support surface 2, a piston pin hole 3, an outer ring support surface 4, and a convex and elliptical shape line 5. The seal ring groove 1 is set on the top skirt cylinder On the mating surface, the inner ring support surface 2 and the outer ring support surface 4 are set on the top of the piston skirt, the piston pin hole 3 is set in the middle of the piston skirt, and the convex and elliptical shape line 5 is set on the outer cylindrical surface of the piston skirt. Invented a piston skirt shape line structure, the outer circle of the piston is designed as a special-shaped outer circle (convex to elliptical), that is, the cross section perpendicular to the piston axis is an ellipse or a modified ellipse, and the ellipticity along the axis direction follows a certain law The convex ellipse of the piston shape is different from the ordinary ellipse. The pisto...
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