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公开(公告)号：US10711896B2
公开(公告)日：2020-07-14
申请号：US15761086
申请日：2016-09-08
发明人： Ralf Braig , Dieter Emmrich , Eric Erbs , Rainer Fischer , Thomas Hettich , Artem Walter , Markus A. Hirsch
摘要： A piston for an internal combustion engine may include a piston skirt extending in a piston longitudinal direction and defined in the piston longitudinal direction by a piston head. The piston skirt may include a boxed interior space defined by two box walls and two substantially opposing skirt walls. A boss having a through-opening may be arranged on each of the two box walls, the two through-openings being oriented so that they align with one another. The two box walls may each include a boss portion oriented perpendicularly to the boss, and at least one intermediate portion extending between the respective boss portion and one of the skirt walls. The intermediate portion may merge via a bend into the associated boss portion. A radial extent of the boss portion may be greater than a diameter of the through-opening and at least 50% of a diameter of the piston.
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公开(公告)号：US20180266557A1
公开(公告)日：2018-09-20
申请号：US15761086
申请日：2016-09-08
发明人： Ralf Braig , Dieter Emmrich , Eric Eric Erbs , Rainer Fischer , Thomas Hettich , Artem Walter , Markus A. Hirsch
摘要： A piston for an internal combustion engine may include a piston skirt extending in a piston longitudinal direction and defined in the piston longitudinal direction by a piston head. The piston skirt may include a boxed interior space defined by two box walls and two substantially opposing skirt walls. A boss having a through-opening may be arranged on each of the two box walls, the two through-openings being oriented so that they align with one another. The two box walls may each include a boss portion oriented perpendicularly to the boss, and at least one intermediate portion extending between the respective boss portion and one of the skirt walls. The intermediate portion may merge via a bend into the associated boss portion. A radial extent of the boss portion may be greater than a diameter of the through-opening and at least 50% of a diameter of the piston.
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公开(公告)号：US10352444B2
公开(公告)日：2019-07-16
申请号：US15763092
申请日：2016-09-13
发明人： Markus A. Hirsch , Markus Walch
摘要： A piston for an internal combustion engine may include a piston head and a piston skirt. The piston skirt may include a plurality of box walls and a plurality of skirt walls. The plurality of box walls may be arranged opposite one another and may include a plurality of boss bores. The plurality of skirt walls may be arranged opposite one another and may have running surfaces. The piston may also include a cover element that may include a substantially circular cover plate and an aperture. The aperture may be disposed on the cover plate and may be configured for the passage of a connecting rod. The cover element may be secured to a lower region of the piston skirt. The cover plate may close a piston cross-sectional area.
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