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    • 5. 发明申请
    • Weight balanced internal combustion engine piston
    • 重量平衡内燃机活塞
    • US20110100317A1
    • 2011-05-05
    • US12916727
    • 2010-11-01
    • Jie HeJeffrey Paul Buening
    • Jie HeJeffrey Paul Buening
    • F02F3/00B23P15/10
    • F02F3/003F02F3/22F02F2200/04Y10T29/49249
    • A piston for an internal combustion engine includes a piston crown connected to and above a body portion of the piston. The body portion forms two pin bores and the piston crown defines an outer cylindrical wall. At least one piston ring seal groove is formed in the outer cylindrical wall and extends peripherally around the piston crown. A first oil collection groove is formed in the outer cylindrical wall below the piston ring seal groove. The first oil collection groove has a first width measured along a centerline of the piston. A second oil collection groove is formed in the outer cylindrical wall below the first oil collection groove, extends parallel to the first oil collection groove around the entire periphery of the piston, and has a width that is at least double the width of the first oil collection groove.
    • 用于内燃机的活塞包括连接到活塞的主体部分上方和上方的活塞冠。 主体部分形成两个销孔,并且活塞顶部限定外圆柱形壁。 至少一个活塞环密封槽形成在外圆柱形壁中并且围绕活塞顶部周向延伸。 在活塞环密封槽下方的外圆筒壁上形成有第一采油槽。 第一采油槽具有沿活塞的中心线测量的第一宽度。 第二采油槽形成在第一采油槽下方的外圆筒壁中,在活塞的整个周边上平行于第一采油槽延伸,并且其宽度至少是第一油的宽度的两倍 收集槽。
    • 9. 发明授权
    • Apparatus for providing haptic feedback
    • 用于提供触觉反馈的装置
    • US08830041B2
    • 2014-09-09
    • US13534143
    • 2012-06-27
    • Lin LiuJie He
    • Lin LiuJie He
    • H04B3/36
    • G06F1/1626G06F1/1633G06F3/016G06F3/041
    • Disclosed is an apparatus for providing haptic feedback. The apparatus includes a frame having a protrusion extending from the side wall of the frame, a piezoelectricity vibrator including a substrate having a main body, at least one piezoelectric layer attached to the main body of the substrate, the main body defining two contact portions extending out of the side facing to the frame, and the two contact portions clip the protrusion for fixing together. The apparatus includes a first through hole arranged on the protrusion and two second through holes respectively arranged on the two contact portions and corresponding to the first through hole, and a screw passing through the second through holes and the first through hole for engaging the contact portions with protrusion together.
    • 公开了一种用于提供触觉反馈的装置。 该装置包括具有从框架的侧壁延伸的突起的框架,压电振动器,其包括具有主体的基板,至少一个压电层,其附接到基板的主体,主体限定两个接触部分延伸 从面向框架的一侧出来,并且两个接触部分夹住突起以固定在一起。 该装置包括布置在突起上的第一通孔和分别布置在两个接触部分上并对应于第一通孔的两个第二通孔,以及穿过第二通孔的螺钉和用于接合接触部分的第一通孔 一起突出。