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    • 3. 发明公开
    • An apparatus and a method of determining the proportions of different powders in a powder
    • 一种确定粉末中不同粉末比例的装置和方法
    • EP2508868A3
    • 2017-12-27
    • EP12161191.7
    • 2012-03-26
    • Rolls-Royce plc
    • Taylor, JonathanBlackmore, Michael
    • G01N15/08G01N23/04
    • G01N15/088G01N23/046G01N2015/0833G01N2015/0846G01N2223/419
    • A method of determining the proportions of different powders (26, 28, 30) in a powder comprises obtaining a sample of a powder (24), adding and mixing the sample into a molten material (22) and freezing the mixture of powder (24) and molten material (22) to form a block (20). Computed tomography (12) is performed on the block (20) to produce a three-dimensional image of the block (20), the three-dimensional image of the block (20) comprises a first shade, a second and a third shade corresponding to the material (22), a first powder particle (26) and a second powder particle (28, 30). The three-dimensional image of the block (20) is analysed to count the number of regions exhibiting the second shade and the third shade corresponding to the number of first powder particles (26) and second powder particles (28, 30) respectively. The fraction of second particles (28, 30) in the powder is determined by dividing the number of second powder particles (28,30) by the sum of the number of first powder particles (26) and the number of second powder particles (28, 30).
    • 确定粉末中不同粉末(26,28,30)的比例的方法包括获得粉末样品(24),将样品添加并混合到熔融材料(22)中并且冷冻粉末混合物(24 )和熔融材料(22)以形成块(20)。 对块(20)执行计算机断层摄影(12)以产生块(20)的三维图像,块(20)的三维图像包括第一阴影,第二阴影和第三阴影,其对应于 向所述材料(22)施加第一粉末颗粒(26)和第二粉末颗粒(28,30)。 分析块(20)的三维图像以分别计数与第一粉末颗粒(26)和第二粉末颗粒(28,30)的数量对应的呈现第二色调和第三色调的区域的数量。 通过将第二粉末颗粒(28,30)的数量除以第一粉末颗粒(26)的数量和第二粉末颗粒(28)的数量之和来确定粉末中第二颗粒(28,30) ,30)。
    • 4. 发明公开
    • A seal arrangement and a method of repairing a seal arrangement
    • Dichtungsanordnung und Verfahren zur Reparatur einer Dichtungsanordnung
    • EP2246596A2
    • 2010-11-03
    • EP10158418.3
    • 2010-03-30
    • Rolls-Royce plc
    • Taylor, JonathanShaw, Benjamin
    • F16J15/32
    • F02C7/28B23P6/002F16J15/062F16J15/104Y10T29/49719Y10T29/4973
    • The seal arrangement (154) is arranged between the casing portions (50,52) and a fluoropolymer O-ring seal (72) is positioned between the casing portions (50,52). A first protecting member (156) is positioned between the fluoropolymer O-ring seal (72) and the casing portion (50) and the first protecting member (156) consists of a polymer and hydroxyapatite. The first protecting member (156) consists of 50 to 80wt% polymer and 20 to 50wt% hydroxyapatite and incidental impurities. The first protecting member (156) is located in an annular groove (70) and is thus arranged between the casing portion (50) and the fluoropolymer O-ring seal (72). The first protecting member (156) is substantially U-shaped in cross-section and the fluoropolymer O-ring seal (72) is positioned between the legs of the U-shaped cross-section first protecting member (156). The first protecting member (156) prevents corrosion of the casing portion (50) by the fluoropolymer O-ring seal (72).
    • 密封装置(154)布置在壳体部分(50,52)之间,并且氟聚合物O形环密封件(72)位于壳体部分(50,52)之间。 第一保护构件(156)位于含氟聚合物O形环密封件(72)和壳体部分(50)之间,并且第一保护构件(156)由聚合物和羟基磷灰石组成。 第一保护构件(156)由50至80重量%的聚合物和20至50重量%的羟基磷灰石和附带的杂质组成。 第一保护构件(156)位于环形槽(70)中,因此布置在壳体部分(50)和含氟聚合物O形环密封件(72)之间。 第一保护构件(156)的横截面基本为U形,氟聚合物O形圈密封件(72)位于U形横截面第一保护构件(156)的腿之间。 第一保护构件(156)防止由氟聚合物O形环密封件(72)对壳体部分(50)的腐蚀。
    • 5. 发明公开
    • An apparatus and a method of determining the proportions of different powders in a powder
    • 装置和方法用于确定在粉末不同粉末的比例
    • EP2508868A2
    • 2012-10-10
    • EP12161191.7
    • 2012-03-26
    • Rolls-Royce Plc.
    • Taylor, JonathanBlackmore, Michael
    • G01N15/08G01N23/04
    • G01N15/088G01N23/046G01N2015/0833G01N2015/0846G01N2223/419
    • A method of determining the proportions of different powders (26, 28, 30) in a powder comprises obtaining a sample of a powder (24), adding and mixing the sample into a molten material (22) and freezing the mixture of powder (24) and molten material (22) to form a block (20). Computed tomography (12) is performed on the block (20) to produce a three-dimensional image of the block (20), the three-dimensional image of the block (20) comprises a first shade, a second and a third shade corresponding to the material (22), a first powder particle (26) and a second powder particle (28, 30). The three-dimensional image of the block (20) is analysed to count the number of regions exhibiting the second shade and the third shade corresponding to the number of first powder particles (26) and second powder particles (28, 30) respectively. The fraction of second particles (28, 30) in the powder is determined by dividing the number of second powder particles (28,30) by the sum of the number of first powder particles (26) and the number of second powder particles (28, 30).
    • 确定性采矿不同粉末的粉末的比例(26,28,30)包括:获得的粉末(24)的样品添加和样品进入熔融材料(22),混合和冷冻粉末的混合物的24的方法,( )和熔融材料(22)以形成块(20)。 计算机断层扫描(12)执行的块(20)上以产生所述块(20)的三维图像,所述块(20)的三维图像包括具有第一色调,第二和第三色光CORRESPONDING 该材料(22),第一粉末颗粒(26)和第二粉末颗粒(28,30)。 块(20)的三维图像被分析,以计数参展第二遮光区域的数量和所述第三色光分别对应于第一粉末颗粒(26)和第二粉末颗粒(28,30)的数量。 第二颗粒在粉末中的部分(28,30)是确定性的,通过第一粉末颗粒(26)和第二粉末颗粒的数目的数目的总和除以第二粉末颗粒(28,30)的数量开采(28 ,30)。