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公开(公告)号：US20160208733A1
公开(公告)日：2016-07-21
申请号：US14780148
申请日：2014-03-24
发明人： Sascha-Oliver Boczek , Klaus Keller
摘要： A piston of an internal combustion engine may include a piston head, a piston hub and a connecting rod having a joint end connected via an articulated connection to the piston hub. A reservoir may be provided and configured to receive splash oil for cooling the piston head. The reservoir may include at least one splash outlet directed towards the piston head. The reservoir may be arranged at the joint end of the connecting rod on a side facing towards the piston head.
摘要翻译： 内燃机的活塞可以包括活塞头，活塞毂和连接杆，其连接端通过铰接连接件连接到活塞毂。 可以设置储存器并构造成容纳用于冷却活塞头的飞溅油。 储存器可以包括指向活塞头的至少一个飞溅出口。 储存器可以布置在连接杆的接合端处，面向着活塞头的一侧。
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12.发明授权公开(公告)号：US10265811B2
公开(公告)日：2019-04-23
申请号：US14777995
申请日：2014-03-18
摘要： A method for producing a piston for an internal combustion engine may include the steps of: producing a piston upper part from a first blank via a deformation process; producing a piston lower part from a second blank via at least one of a deformation process and a casting process; connecting the first blank of the piston upper part and the second blank of the piston lower part to form a piston body via a welding process; and performing at least one of a secondary machining process and a finish machining process of the piston body to produce the piston.
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公开(公告)号：US10041441B2
公开(公告)日：2018-08-07
申请号：US15523286
申请日：2015-10-27
发明人： Sascha-Oliver Boczek , Rainer Scharp , Timo Linke
摘要： An annular cooling channel cover for a piston may include an elastic material body having opposing end faces. At least two opposing end regions may provide a joint gap and at least one feed element for a coolant may be received in at least one opening disposed in the cooling channel cover. The feed element may include an inlet region and an outlet region, and may be held on the cooling channel cover via a clip-on latching connection. Spring clips may be disposed on the inlet region of the feed element, and/or latching elements may be disposed on the outlet region of the feed element. The spring clips may engage one of the end faces and the latching elements may engage the opposing end face. A closure element may engage into the joint gap to close the same.
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公开(公告)号：US20170350345A1
公开(公告)日：2017-12-07
申请号：US15611461
申请日：2017-06-01
CPC分类号： F02F3/18 , F01P3/10 , F02F3/0076 , F02F3/0084 , F02F2200/04
摘要： A piston of an internal combustion engine may include a piston shaft and a piston head. The piston head may be provided with a closed cooling channel with a cooling medium arranged therein. The piston shaft may have a spherically round cross-sectional shape, wherein a deviation from the roundness with respect to a piston diameter may be less than 0.5 per thousand.
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公开(公告)号：US09364923B2
公开(公告)日：2016-06-14
申请号：US14542218
申请日：2014-11-14
发明人： Sascha-Oliver Boczek
CPC分类号： B23K37/0435 , B23K20/129 , B23K37/053 , B23P15/10 , F02F3/003 , F02F3/22 , F02F2003/0061
摘要： The present invention relates to a method for the production of a piston (1), composed of a piston upper part (2) and a piston lower part (3), of an internal combustion engine, in which the piston upper part (2) is welded with the piston lower part (3) via a contact surface (4) and thereby a cooling duct (5), delimited therebetween, is formed. It is essential to the invention here that for the production or keeping free of an net opening (6) and/or of an outlet opening (7) of the cooling duct (5) during or immediately after the welding of the piston upper part (2) with the piston lower part (3) at least one pin (8) is held out from the piston lower part (3) in the cooling duct (5) or is pushed therein and is drawn out again after the welding process, so that a welding bead (9) occurring on the welding process does not constrict a cross-section of the net opening (6) and/or of the outlet opening (7). Hereby, the piston (1) can be produced at a comparatively favorable cost.
摘要翻译： 本发明涉及一种用于生产内燃机的活塞（1），其由活塞上部（2）和活塞下部（3）组成的方法，其中活塞上部（2） 通过接触表面（4）与活塞下部（3）焊接，从而形成在其间界定的冷却管道（5）。 本发明在此重要的是，在活塞上部件的焊接期间或紧接其后的过程中生产或保持没有冷却管道（5）的净开口（6）和/或出口开口（7） 如图2所示，在活塞下部（3）中，至少一个销（8）从冷却管道（5）中的活塞下部（3）被推出，或被推入其中，并且在焊接过程之后被再次拉出，因此 在焊接过程中发生的焊道（9）不会压缩净开口（6）和/或出口（7）的横截面。 因此，可以以相对有利的成本生产活塞（1）。
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公开(公告)号：US20150247475A1
公开(公告)日：2015-09-03
申请号：US14424706
申请日：2013-08-27
CPC分类号： F02F3/22 , F01P3/10 , F01P2003/006 , F02F3/0015 , F02F3/0084 , F02F3/18
摘要： A piston for an internal combustion engine includes a piston head and a piston skirt, wherein the piston head has a piston base, a circumferential ring part and, in the region of the ring part, a circumferential closed cooling channel or sealed cavity. An inner side of the piston has two lower surfaces which transform continuously in the region of the piston central axis (M) to form an arched surface. The piston skirt has piston hubs provided with hub bores which are interconnected by means of running surfaces which have inner surfaces facing the inside of the piston. Starting from the free ends of the piston skirt, inside the piston on the pressure side (DS) and/or counter pressure side (GDS), an inner surface of a running surface continuously transforms into a guiding surface for a coolant which transforms continuously on the side thereof into a lower surface.
摘要翻译： 用于内燃机的活塞包括活塞头和活塞裙部，其中活塞头具有活塞底座，周向环部分，并且在环形部分的区域中具有周向封闭的冷却通道或密封空腔。 活塞的内侧具有在活塞中心轴线（M）的区域内连续变形以形成拱形表面的两个下表面。 活塞裙部具有设置有轮毂孔的活塞轮毂，其通过具有面向活塞内部的内表面的行进表面相互连接。 从活塞裙部的自由端开始，在压力侧（DS）和/或反压力侧（GDS）的活塞内部，运行表面的内表面连续地变换成用于连续变换的冷却剂的引导表面 其一侧成为下表面。
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公开(公告)号：US10065277B2
公开(公告)日：2018-09-04
申请号：US15130194
申请日：2016-04-15
摘要： A method for the production of a piston made of steel, for an internal combustion engine, in which the upper piston part is produced using the forging method, and the lower piston part is produced using the forging or casting method, and they are subsequently welded to one another. To simplify the production method and make it cheaper, the upper piston part is forged using the method of hot forming and of cold calibration, to finish it to such an extent that further processing of the combustion bowl and of the upper cooling channel regions can be eliminated.
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公开(公告)号：US09828939B2
公开(公告)日：2017-11-28
申请号：US14780148
申请日：2014-03-24
发明人： Sascha-Oliver Boczek , Klaus Keller
摘要： A piston of an internal combustion engine may include a piston head, a piston hub and a connecting rod having a joint end connected via an articulated connection to the piston hub. A reservoir may be provided and configured to receive splash oil for cooling the piston head. The reservoir may include at least one splash outlet directed towards the piston head. The reservoir may be arranged at the joint end of the connecting rod on a side facing towards the piston head.
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公开(公告)号：US20170321629A1
公开(公告)日：2017-11-09
申请号：US15523210
申请日：2015-10-27
发明人： Sascha-Oliver Boczek , Timo Linke , Rainer Scharp
摘要： A cooling channel cover for a piston of an internal combustion engine may include a body having mutually opposite end faces. At least one supply element for a coolant may be received in an opening disposed in the cooling channel cover. The supply element may include an inlet region and an outlet region, and may be held on the cooling channel cover via a clipped-in latching connection. A spring tab may be disposed on the inlet region of the supply element, and/or a latching element may be disposed on the outlet region of the supply element. The spring clip may engage one of the end faces and the latching element may engage the opposite end face.
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20.发明申请METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON PRODUCED BY SAID METHOD 审中-公开用于生产用于内燃机和活塞的活塞的方法公开(公告)号：US20160281636A1
公开(公告)日：2016-09-29
申请号：US14778074
申请日：2014-03-18
CPC分类号： F02F3/28 , B21K1/185 , B23B2215/245 , B23K2101/003 , B23P15/10 , F02F3/003 , F02F3/22 , F02F2003/0061 , F02F2200/04
摘要： A method for producing a piston for an internal combustion engine may include the steps of: producing a first blank corresponding to a piston main body via a deformation process; producing a second blank corresponding to a piston ring part via at least one of a deformation process and a casting process; pre-machining the first blank and the second blank, and finishing a welding surface of the first blank and a welding surface of the second blank via machining; connecting the first blank and the second blank via welding the welding surface of the first blank to the welding surface of the second blank to form a piston body; and performing at least one of a secondary machining process and a finish machining process on the piston body to produce the piston.
摘要翻译： 一种用于内燃机的活塞的制造方法可以包括以下步骤：通过变形过程制造对应于活塞主体的第一坯料; 通过变形过程和铸造过程中的至少一个产生对应于活塞环部分的第二坯料; 预先加工第一坯料和第二坯料，并通过机加工完成第一坯料的焊接表面和第二坯料的焊接表面; 通过将第一坯料的焊接表面焊接到第二坯料的焊接表面来连接第一坯件和第二坯件以形成活塞体; 并对活塞体进行二次加工和精加工处理中的至少一个以制造活塞。
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