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    • 4. 发明授权
    • Piston for an internal combustion engine and method for its production
    • 活塞内燃机及其生产方法
    • US08671905B2
    • 2014-03-18
    • US13225663
    • 2011-09-06
    • Rainer ScharpPeter KemnitzMichael Ullrich
    • Rainer ScharpPeter KemnitzMichael Ullrich
    • F02F3/00F16J1/00
    • B23P15/10F02F3/003F02F3/22Y10T29/49254
    • A piston for an internal combustion engine has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel.
    • 用于内燃机的活塞具有活塞头,该活塞头具有周向冷却通道以及具有周向碗壁的燃烧碗,所述周向碗壁通过碗边缘区域转变成活塞冠。 燃烧碗至少部分地由活塞基体形成,并且碗壁至少部分地从插入物形成。 插入件通过梁焊接与活塞基体连接。 在碗壁中配置了较低的焊缝,该接缝与活塞中心轴线(M)围成锐角,并在冷却通道的下半部结束。 上部焊缝从冷却通道天花板延伸到活塞顶部,相对于冷却通道的透明宽度,将其设置为朝向外部居中或径向偏移。
    • 5. 发明授权
    • Piston for an internal combustion engine
    • 内燃机活塞
    • US08661965B2
    • 2014-03-04
    • US13066553
    • 2011-04-18
    • Rainer ScharpMichael Ullrich
    • Rainer ScharpMichael Ullrich
    • F16J1/04F01B31/08F02F3/00
    • F02F3/003F02F3/22
    • The present invention relates to a piston (10, 110, 210) for an internal combustion engine, having a first piston component (11) and a second piston component (12), which jointly form a circumferential cooling channel (23) that is open toward the second piston component (12), whereby the first piston component (11) forms at least a part of a piston crown (13) as well as an outer circumferential wall (34) of the cooling channel, characterized in that the outer circumferential wall (34) of the cooling channel (23) has a circumferential projection (32) below the piston crown (13), which projection is provided with a circumferential guide surface (33) for coolant, directed radially inward.
    • 本发明涉及一种用于内燃机的活塞(10,110,210),其具有第一活塞部件(11)和第二活塞部件(12),所述第一活塞部件(11)和第二活塞部件(12)共同形成周向冷却通道(23) 朝向第二活塞部件(12),由此第一活塞部件(11)形成活塞冠部(13)的至少一部分以及冷却通道的外周壁(34),其特征在于,外周 冷却通道(23)的壁(34)在活塞顶部(13)的下方具有周向突出部(32),该突起设置有用于冷却剂的圆周引导表面(33),径向向内指向。
    • 6. 发明申请
    • PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTION
    • 内燃机用活塞及其生产方法
    • US20130014722A1
    • 2013-01-17
    • US13225663
    • 2011-09-06
    • Rainer SCHARPPeter KEMNITZMichael Ullrich
    • Rainer SCHARPPeter KEMNITZMichael Ullrich
    • F02F3/16B23P15/10
    • B23P15/10F02F3/003F02F3/22Y10T29/49254
    • A piston for an internal combustion engine has a piston head that has a circumferential cooling channel as well as a combustion bowl having a circumferential bowl wall that makes a transition into a piston crown by way of a bowl edge region. The combustion bowl is formed at least in part by a piston base body and the bowl wall is formed at least in part from an insert. The insert is connected with the piston base body by means of beam welding. A lower weld seam is configured in the bowl wall, which seam encloses an acute angle with the piston center axis (M) and ends in the lower half of the cooling channel. An upper weld seam runs from the cooling channel ceiling to the piston crown and is disposed centered or radially offset toward the outside, with reference to the clear width of the cooling channel.
    • 用于内燃机的活塞具有活塞头,该活塞头具有周向冷却通道以及具有周向碗壁的燃烧碗,所述周向碗壁通过碗边缘区域转变成活塞冠。 燃烧碗至少部分地由活塞基体形成,并且碗壁至少部分地从插入物形成。 插入件通过梁焊接与活塞基体连接。 在碗壁中配置了较低的焊缝,该接缝与活塞中心轴线(M)围成锐角,并在冷却通道的下半部结束。 上部焊缝从冷却通道天花板延伸到活塞顶部,相对于冷却通道的透明宽度,将其设置为朝向外部居中或径向偏移。
    • 7. 发明授权
    • Piston for an internal combustion engine
    • 内燃机活塞
    • US08550052B2
    • 2013-10-08
    • US13205988
    • 2011-08-09
    • Klaus KellerMichael UllrichRainer Scharp
    • Klaus KellerMichael UllrichRainer Scharp
    • F02F3/16
    • F02F3/22F02F3/003
    • A piston for an internal combustion engine has an upper part and a lower part. The upper part has a collar with a ring rib and the lower part has a wall and a contact part radially within the wall. When the upper part is connected with the lower part by friction welding, the face surfaces of the ring rib, the collar, the wall, and the contact part form friction-welding surfaces and form a cooling channel and a cooling cavity between them. To supply the cooling channel and the cooling cavity with cooling oil, radial bores are introduced into the ring rib, which bores connect the cooling channel with the cooling cavity. In this way, it is guaranteed that a sufficient residual amount of oil collects in the cooling channel and in the cooling cavity, which amount is constantly renewed, and leads to good cooling of the piston crown.
    • 内燃机的活塞具有上部和下部。 上部具有带有环形肋的套环,下部具有壁和径向在壁内的接触部分。 当上部通过摩擦焊接与下部连接时,环形肋,轴环,壁和接触部分的表面形成摩擦焊接表面,并在它们之间形成冷却通道和冷却腔。 为了通过冷却油供应冷却通道和冷却腔,径向孔被引入到环形肋中,该孔将冷却通道与冷却腔连接。 以这种方式,可以确保在冷却通道和冷却腔中充分剩余的油量聚集在该冷却槽中,该量不断更新,并且导致活塞冠的良好冷却。
    • 9. 发明申请
    • Lighting device for a realty sign
    • 照明设备为不动产标志
    • US20060274521A1
    • 2006-12-07
    • US11416716
    • 2006-05-03
    • Michael Ullrich
    • Michael Ullrich
    • F21L19/00F21S13/10
    • G09F13/02G09F7/22G09F27/007
    • A lighting device is connectable to a horizontal arm of a realty sign post for directing light to both sides of the sign. The device includes a mounting structure and an upper housing. The device is actuated by a polar rechargeable batter disposed in the housing. Solar panels are connected to an arcuate surface of the upper housing of the device and electrically connected to the batter and a series of LED lights fitted along a pair of cavities in the mounting structure. The lighting device is attached to the realty sign post by pivotal arms that selectively secure around the horizontal arm.
    • 照明装置可连接到不动标志柱的水平臂,用于将光引导到标志的两侧。 该装置包括安装结构和上壳体。 该装置由设置在壳体中的极性可再充电电池驱动。 太阳能电池板连接到装置的上壳体的弧形表面并电连接到电池和沿安装结构中的一对空腔安装的一系列LED灯。 照明装置通过围绕水平臂选择性固定的枢转臂连接到房地产标志柱上。