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    • 1. 发明申请
    • INTEGRAL DUPLEX BEARINGS FOR ROTATING X-RAY ANODE
    • 用于旋转X射线阳极的整体双重轴承
    • US20070086689A1
    • 2007-04-19
    • US11163338
    • 2005-10-14
    • Liangheng QiuThomas SchaeferPaul Ratzmann
    • Liangheng QiuThomas SchaeferPaul Ratzmann
    • F16C33/04
    • H01J35/101F16C19/54Y10S384/905
    • An x-ray target assembly is provided comprising a drive shaft and an outer shaft housing element. A primary integral duplex bearing assembly is positioned between the outer shaft housing element and the drive shaft and comprises a primary fixed outer race and a primary dual inner race comprising a first primary inner race element and a second primary race element. A plurality of primary ball elements are positioned therebetween. A secondary integral duplex bearing assembly is positioned between the outer shaft housing element and the drive shaft and comprises a secondary floating outer race comprising a single secondary race element. A secondary dual inner race is comprised of a first secondary inner race element and a second secondary race element. A plurality of secondary ball elements are positioned between the secondary floating outer race and the secondary dual inner race.
    • 提供了包括驱动轴和外轴壳体元件的X射线靶组件。 主要一体式双相轴承组件定位在外轴壳体元件和驱动轴之间,并且包括主固定外圈和包括第一主内圈元件和第二主座圈元件的主双内圈。 多个主球元件位于它们之间。 第二整体式双相轴承组件定位在外轴壳体元件和驱动轴之间,并且包括包括单个次级座圈元件的次级浮动外座圈。 次级双内圈由第一副内圈元件和第二辅助赛道元件组成。 多个次级球元件位于第二浮动外圈和次级双内圈之间。
    • 6. 发明申请
    • Optical element mounting technique
    • 光学元件安装技术
    • US20050030649A1
    • 2005-02-10
    • US10940654
    • 2004-09-15
    • William HubbardKevin McIntyreAndrew RadlThomas SchaeferIan Prees
    • William HubbardKevin McIntyreAndrew RadlThomas SchaeferIan Prees
    • G02B7/00G02B7/02
    • G02B7/008G02B7/00
    • A technique for attaching an optical element to a structural element is disclosed. In one particular exemplary embodiment, the technique may be realized as an apparatus for attaching an optical element to a structural element. Such an apparatus may comprise an optical element formed of a material having a first coefficient of thermal expansion value, a structural element formed of a material having a second coefficient of thermal expansion value, and an intermediate element formed of a material having a third coefficient of thermal expansion value that is between the first coefficient of thermal expansion value and the second coefficient of thermal expansion value. The intermediate element is disposed between the optical element and the structural element such that thermal stress between the optical element and the structural element are transferred to the intermediate element.
    • 公开了一种用于将光学元件附接到结构元件的技术。 在一个特定的示例性实施例中,该技术可以被实现为用于将光学元件附接到结构元件的装置。 这样的装置可以包括由具有第一热膨胀系数值的材料形成的光学元件,由具有第二热膨胀系数的材料形成的结构元件,以及由具有第三系数的材料形成的中间元件 第一热膨胀系数与第二热膨胀系数之间的热膨胀值。 中间元件设置在光学元件和结构元件之间,使得光学元件和结构元件之间的热应力传递到中间元件。
    • 10. 发明授权
    • Method for producing methacrylic alkyl esters by way of azeotropic distillation
    • 通过共沸蒸馏生产甲基丙烯酸烷基酯的方法
    • US08586779B2
    • 2013-11-19
    • US12516629
    • 2007-08-31
    • Udo GroppRobert WeberThomas SchaeferAndreas PerlRudolf SingThomas Mertz
    • Udo GroppRobert WeberThomas SchaeferAndreas PerlRudolf SingThomas Mertz
    • C07C67/20B01J8/00
    • C07C231/06B01D3/36C07C67/20C07C67/54C07C69/54C07C233/09
    • The present invention relates in general terms to a process for preparing alkyl methacrylates, comprising as steps: providing an acetone cyanohydrin by a process according to one of the preceding claims; contacting the acetone cyanohydrin with an inorganic acid to obtain a methacrylamide; contacting the methacrylamide with an alcohol in the presence of an inorganic acid in a reactor to obtain an alkyl methacrylate; continuously discharging at least a portion of the alkyl methacrylate from the reactor into a distillation column as a vapor stream; the discharge being effected by feeding a discharge stream comprising steam into the reactor, to an apparatus for preparing alkyl methacrylates, to a process for preparing polymers based at least partly on alkyl methacrylates, to the use of the alkyl methacrylates obtainable by the process according to the invention in chemical products, and to chemical products based on alkyl methacrylates obtainable by the process according to the invention.
    • 本发明一般涉及制备甲基丙烯酸烷基酯的方法,其包括如下步骤:通过根据前述权利要求之一的方法提供丙酮氰醇; 使丙酮氰醇与无机酸接触,得到甲基丙烯酰胺; 使甲基丙烯酰胺与醇在无机酸存在下在反应器中接触,得到甲基丙烯酸烷基酯; 将至少一部分甲基丙烯酸烷基酯从反应器连续排出到作为蒸气流的蒸馏塔中; 排放是通过将包含蒸汽的排出物流进入反应器,到制备甲基丙烯酸烷基酯的装置,至少部分地基于甲基丙烯酸烷基酯制备聚合物的方法,使用可通过根据 化学产品中的发明,以及基于通过本发明的方法获得的基于甲基丙烯酸烷基酯的化学产品。