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US 8,539,926 B2Granted
Piston, cylinder and piston assembly and piston ring for a piston
AssigneeMahle Koenig Kommanditgesellschaft GmbH & Co. KG
InventorsKarlheinz Langner, Reiner Ulrich
Life of this patent
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Abstract
A piston includes a piston head, two skirt walls disposed opposite one another and at least one pin bearing disposed between the skirt walls and supported on the piston head. Each skirt wall extends over a partial region of the periphery of the piston or piston head. The two skirt walls are connected by at least one self-supporting support wall disposed at a distance from the piston head. A cylinder and piston assembly and a piston ring for a cylinder, are also provided.
Claims23
A piston, comprising:
- a piston head;
- two skirt walls lying opposite one another and each extending over a partial area of an outer contour of the piston or said piston head;
- at least one pin bearing braced on said piston head and disposed between said skirt walls;
- at least one supporting wall interconnecting said skirt walls and disposed at a distance from said piston head, said at least one supporting wall bordering an intermediate space separating said piston head from said at least one supporting wall in a self-supporting fashion between said skirt walls, and said at least one supporting wall not being connected with said at least one pin bearing;
- and
- a piston ring disposed below said at least one pin bearing in at least one circumferential groove formed in said skirt walls and formed in said at least one supporting wall separated from said piston head by said intermediate space.
3 more elements
Dependencies are inferred from the claim text.