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公开(公告)号：US20240318610A1
公开(公告)日：2024-09-26
申请号：US18578509
申请日：2022-07-06
发明人： RALF MESKE
CPC分类号： F02F3/22 , F02F2003/0061
摘要： A steel piston (10) for an internal combustion engine includes a cooling cavity (20) extending in a rotationally symmetrical manner about the piston axis and at least three annular grooves (12, 14, 16), wherein the third annular groove (16), as viewed from the piston crown (18), has a greater depth (T3) than the depth (T2) of a second annular groove (14).
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公开(公告)号：US11408507B2
公开(公告)日：2022-08-09
申请号：US15734748
申请日：2019-07-09
发明人： Sven Ungermann
摘要： A piston (10) for an internal combustion engine includes a groove (16) for an oil wiper ring and a recess (18) between the groove (16) and at least one shaft wall (20). A lower edge of the groove (16), which is closer to the shaft wall (20), has a larger diameter than a lower edge of the recess (18).
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公开(公告)号：US11280292B2
公开(公告)日：2022-03-22
申请号：US15313829
申请日：2015-05-11
发明人： Roman Morgenstern , Stephan Silvio , Scott Kenningley , Philipp Koch , Isabella Sobota , Klaus Lades , Martin Popp , Rainer Weiss , Robert Willard
摘要： The invention relates to a method for producing an engine component, in particular a piston for an internal combustion engine, wherein an aluminum alloy is cast in the gravity die casting process and wherein the aluminum alloy has 7 to 1.2 to ≤4 wt % nickel, >3.7 to 0.1 to
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公开(公告)号：US20210108592A1
公开(公告)日：2021-04-15
申请号：US16608535
申请日：2018-04-24
发明人： SVEN UNGERMANN , GEORG HOPP , RAINER WEISS
摘要： A one-piece cast piston (10) for an internal combustion engine includes a cooling channel (12) and at least one rib (18) on the inner side of the piston opposite the recess base of a combustion bowl (14).
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公开(公告)号：US10252366B2
公开(公告)日：2019-04-09
申请号：US14415221
申请日：2013-07-10
发明人： Klaus Lades , Wolfram Cromme
摘要： In a method for producing a piston (10) for an internal combustion engine, a melt treatment is performed at least in regions in particular in the region of a combustion chamber depression (14), the depth of said melt treatment being varied in the circumferential direction.
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公开(公告)号：US09382869B2
公开(公告)日：2016-07-05
申请号：US13000219
申请日：2009-06-15
申请人： Marcus Freidhager
发明人： Marcus Freidhager
摘要： A piston for an internal combustion engine comprises at least one cooling channel located only in the areas of at least one inflow and at least one outflow at a low level comparatively removed from the base of the piston and at a constant higher level closer to the piston base, said cooling channel comprising steep inclines between the areas located at the low and at the high level.
摘要翻译： 用于内燃机的活塞包括至少一个冷却通道，该冷却通道仅位于至少一个流入区域中的至少一个流出处，以及至少一个低于活塞底部的较低水平的流出口，并且在靠近活塞 所述冷却通道包括位于低位和高位的区域之间的陡峭倾斜。
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7.发明授权Method for producing a piston for an internal combustion engine and the thus produced piston 失效一种用于制造用于内燃机的活塞和由此产生的活塞的方法公开(公告)号：US08136243B2
公开(公告)日：2012-03-20
申请号：US12088117
申请日：2006-08-09
申请人： Simon Reichstein , Lothar Hofmann , Peter Konrad
发明人： Simon Reichstein , Lothar Hofmann , Peter Konrad
IPC分类号： B23P15/10
CPC分类号： B23P15/10 , F02F3/22 , F02F2003/0061 , F16J1/09 , Y10T29/49249 , Y10T29/49254 , Y10T29/49263 , Y10T29/49265
摘要： The invention relates to a method for producing an internal combustion engine piston which is provided with at least one cooling channel (12) and at least one reinforced piston ring groove (14) consisting in producing a piston blank (1), in forming a groove (10) provided with a cooling channel (12) and an external ring (11) in said piston blank (1), in filling the cooling channel (12) with are movable material (2), in filling the external ring with a reinforcing material (3) in removing the removable material (2) and in finish-machining the piston. A piston made of aluminum alloy and produced according to the inventive method is also disclosed.
摘要翻译： 本发明涉及一种生产内燃机活塞的方法，该内燃机活塞设有至少一个冷却通道（12）和至少一个加强的活塞环槽（14），该活塞环槽（14）由制造活塞坯件（1）组成， （10），在所述活塞坯件（1）中设置有冷却通道（12）和外环（11），用可移动材料（2）填充所述冷却通道（12），用加强件 材料（3）在去除可移除材料（2）和精加工活塞时。 还公开了根据本发明的方法制造的由铝合金制成的活塞。
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公开(公告)号：US07748361B2
公开(公告)日：2010-07-06
申请号：US11575010
申请日：2005-09-01
申请人： Roland Linz , Kurt Voit
发明人： Roland Linz , Kurt Voit
IPC分类号： F01P1/04
CPC分类号： F02F3/22
摘要： Disclosed is a piston for a combustion engine, comprising a cooling duct with a single inlet port and at least two outlet ports, at least two of which are separated from each other regarding the discharged coolant. Also disclosed is a combustion engine comprising at least one such piston.
摘要翻译： 公开了一种用于内燃机的活塞，包括具有单个入口端口和至少两个出口端口的冷却管道，其中至少两个出口端口相对于排出的冷却剂彼此分离。 还公开了包括至少一个这种活塞的内燃机。
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公开(公告)号：US12000355B2
公开(公告)日：2024-06-04
申请号：US17622254
申请日：2020-06-25
发明人： Julian Zilker , Michael Scherer , Olga Seller , Sven Ungermann , Ralf Meske
CPC分类号： F02F3/02 , F02F2003/0007
摘要： A piston (10) for an internal combustion engine, includes shaft wall sections (18) for supporting in a cylinder or a cylinder liner, and at least one base support (20) that is connected thereto in the circumferential direction, and which has at least one contour that forms a section of a helix.
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公开(公告)号：US11686270B2
公开(公告)日：2023-06-27
申请号：US15734001
申请日：2019-06-06
发明人： Christoffer Schmoll , Rainer Weiss , Michael Seiffert , Mark Day , Georg Hopp , Florian Sigel
CPC分类号： F02F3/0084 , F02F3/027 , F02F2003/0007 , F05C2201/0442 , F05C2201/0448
摘要： A cast piston for an internal combustion engine is made of an iron-based material and has windows in at least one side wall carrying a piston pin boss. The windows are asymmetric relative to one another on the side of the skirt walls.
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