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    • 1. 发明授权
    • Intake device of internal combustion engine
    • 内燃机进气装置
    • US07895984B2
    • 2011-03-01
    • US12174423
    • 2008-07-16
    • Takahiro TairaShojiro FukudaMasato Hayashi
    • Takahiro TairaShojiro FukudaMasato Hayashi
    • F02M35/10
    • F02M35/112F02M35/02F02M35/10222F02M35/10229F02M35/10321F02M35/1036
    • An intake passage is formed by connecting upper and lower cases 10, 20 of an intake manifold. The lower case 10 has a recessed portion 50 on an inner surface 17a. The recessed portion 50 has a deep surface 53 to which a negative pressure outlet port 42 opens, and an opening 51 is provided in an upper portion of the recessed portion 50. The upper case 20 has a projecting portion 60 extending further downwards towards the negative pressure outlet port 42 than mating surfaces 10a, 20a and projects into the recessed portion 50 through an opening 52. The projecting portion 60 is positioned above the negative pressure outlet port 42 and between the negative pressure outlet port 42 and the inner surface 17a. A lower end portion 63 of the projecting portion 60 is formed into an arc-like shape of which central portion 65 projects downwards.
    • 通过连接进气歧管的上壳体10和下壳体20形成进气通道。 下壳体10在内表面17a上具有凹部50。 凹部50具有负压出口42打开的深表面53,并且在凹部50的上部设置有开口51.上壳体20具有向下延伸朝向负的突出部分60 压力出口42比配合面10a,20a突出并通过开口52突出到凹部50.凸出部分60位于负压出口42的上方,负压出口42和内表面17a之间。 突出部分60的下端部分63形成为中心部分65向下突出的弧形形状。
    • 5. 发明申请
    • INTAKE MANIFOLD FOR MULTIPLE-CYLINDER INTERNAL COMBUSTION ENGINE
    • 对多缸内燃机进行吸入
    • US20100095921A1
    • 2010-04-22
    • US12529960
    • 2008-03-12
    • Takahiro Taira
    • Takahiro Taira
    • F02M35/10
    • F02M35/1045F02M35/10052F02M35/10262F02M35/10354F02M35/112Y02T10/14Y02T10/146
    • An intake manifold M for a multiple-cylinder internal combustion engine has a collective part 10 defining an intake gas distribution chamber 11, and a branch intake part 20 having a plurality of branch intake passages 22. The collective part 10 is built by joining together a first section A and a second section B respectively defining a first space 11a and a second space 11b which form the intake gas distribution chamber 11. A first corner part 31a and a second corner part 31b are formed integrally with the first section A and the second section B, respectively. The second section B is provided with a guide wall 40 extending in both the first section A and the second section B so as to cover the respective inside surfaces 31a1 and 31b1 of the first corner part 31a and the second corner part 31b. The guide wall 40 has a guide surface 44 for guiding the intake gas more smoothly than the inside surface 31a1 and 31b1. Since the intake manifold M is a split structure built by joining together the first section A and the second section B, the intake gas can be made to flow smoothly in the intake gas distribution chamber regardless of the shape of the corner part, and the volumetric efficiency of the internal combustion engine is improved.
    • 用于多缸内燃机的进气歧管M具有限定进气分配室11的集合部分10和具有多个分支进气通道22的分支进气部分20.集合部分10通过将 第一部分A和第二部分B分别限定形成进气分配室11的第一空间11a和第二空间11b。第一拐角部分31a和第二拐角部分31b与第一部分A和第二部分一体地形成 B部分。 第二部分B设置有在第一部分A和第二部分B两者中延伸以覆盖第一拐角部分31a和第二拐角部分31b的相应内表面31a1和31b1的引导壁40。 引导壁40具有比内表面31a1和31b1更平滑地引导进气的引导表面44。 由于进气歧管M是通过将第一部分A和第二部分B接合在一起而构成的分体结构,所以能够使吸入气体在进气分配室中流畅地流动,而与角部的形状无关,并且体积 提高了内燃机的效率。
    • 7. 发明申请
    • INTAKE DEVICE OF INTERNAL COMBUSTION ENGINE
    • 内燃机装置
    • US20090020095A1
    • 2009-01-22
    • US12174188
    • 2008-07-16
    • Takahiro Taira
    • Takahiro Taira
    • F02M35/10
    • F02M35/112F02M35/02F02M35/10222F02M35/10229F02M35/10321F02M35/1036F02M35/1038
    • An intake passage is formed by connecting an upper case 10 and a lower case 20 of an intake manifold. The lower case 10 has a recessed portion 50 on part of an inner surface 17a of a side wall 17. The recessed portion 50 has a deep surface 53 to which a negative pressure outlet port 42 opens, and an opening 51 opened upwards is provided in an upper portion of the recessed portion 50 in a position which opposes to the upper case 20 in a vertical direction A0. The upper case 20 has a projecting portion 60 which extends further downwards towards the negative pressure outlet port 42 than mating surfaces 10a, 20a and projects into the recessed portion 50 through an opening 52. The projecting portion 60 is positioned between the negative pressure outlet port 42 and the inner surface 17a in a horizontal direction A1.
    • 通过连接进气歧管的上壳体10和下壳体20来形成进气通道。 下壳体10在侧壁17的内表面17a的一部分上具有凹部50.凹部50具有深表面53,负压出口42打开的深表面53,并且向上敞开的开口51设置在 凹部50的上部与上壳体20相对的垂直方向A0的位置。 上壳体20具有突出部分60,该突出部分60比配合表面10a,20a进一步向负压出口42延伸,并通过开口52突出到凹入部分50.突出部分60位于负压出口 42和内表面17a在水平方向A1上。
    • 9. 发明授权
    • Fluorine-containing resin material lowly permeable to liquid chemical
    • 含氟树脂材料对液体化学品渗透性低
    • US06998454B2
    • 2006-02-14
    • US10465643
    • 2003-06-20
    • Takahiro TairaTakahisa AoyamaKatsuhide OtaniTetsuo Shimizu
    • Takahiro TairaTakahisa AoyamaKatsuhide OtaniTetsuo Shimizu
    • C08F16/24
    • C08F214/262C08L27/18Y10T428/3154
    • To provide a suitable material having improved impermeability to liquid chemicals and cracking resistance while retaining excellent heat resistance and processability inherent in FEP-based fluororesins, a molded article of which is useful in the field of semiconductor production apparatus and the like. The present invention provides a fluorine-containing resin material comprising a fluorine-containing copolymer comprising 85 to 95.5% by mole of a repeating unit derived from tetrafluoroethylene, 5 to 10% by mole of a repeating unit derived from hexafluoropropylene and 0.1 to 5% by mole of a repeating unit derived from at least one higher perfluoro(vinyl ether) represented by the formula (1): CF2═CF—O—Rf1  (1) wherein Rf1 is a perfluoroalkyl group having 5 to 10 carbon atoms or a perfluoro(alkoxyalkyl) group having 4 to 17 carbon atoms, and molded article thereof.
    • 为了提供对液体化学品具有改进的不渗透性和耐开裂性的合适的材料,同时保持了基于FEP的氟树脂固有的优异的耐热性和加工性,其成型制品可用于半导体制造装置等领域。 本发明提供一种含氟树脂材料,其含有含有85〜95.5摩尔%的来自四氟乙烯的重复单元,5〜10摩尔%的来自六氟丙烯的重复单元和0.1〜5重量% 摩尔衍生自由式表示的至少一种较高全氟(乙烯基醚)的重复单元
    • 10. 发明授权
    • Fluorocopolymer and fluororesin composition lowly permeable to liquid chemical
    • 含氟共聚物和氟树脂组合物对液体化学品渗透性低
    • US06774196B1
    • 2004-08-10
    • US10148230
    • 2002-05-28
    • Takahiro TairaTakahisa AoyamaKatsuhide OtaniTetsuo Shimizu
    • Takahiro TairaTakahisa AoyamaKatsuhide OtaniTetsuo Shimizu
    • C08F11612
    • C08L27/18C08F214/262
    • To provide a novel PFA-based fluorine-containing copolymer having improved impermeability to liquid chemicals while retaining the excellent heat resistance, stress cracking resistance and processability inherent in PFA-based fluororesins, a material and a molded article useful in the field of semiconductor production apparatus and the like, using the copolymer. The present invention provides a fluorine-containing copolymer comprising 90 to 99.4% by mole of a repeating unit derived from tetrafluoroethylene, 0.5 to 5% by mole of a repeating unit derived from at least one lower perfluoro(alkyl vinyl ether) represented by the formula (1): CF2═CF—O—Rf1  (1) in which Rf1 is a perfluoroalkyl group having 2 to 4 carbon atoms, and 0.1 to 5% by mole of a repeating unit derived from at least one higher perfluoro(vinyl ether) represented by the formula (2): CF2═CF—O—Rf2  (2) in which Rf2 is a perfluoroalkyl group having 5 to 10 carbon atoms or a perfluoro(alkoxy alkyl) group having 4 to 17 carbon atoms, wherein the fluorine-containing copolymer has a melt flow rate of 0.1 g/10 minutes to 100 g/10 minutes and melting point of 290° to 325° C., and a resin composition using the same.
    • 提供一种具有改善的对液体化学品的不渗透性的新型PFA基含氟共聚物,同时保持了PFA类氟树脂中固有的优异的耐热性,抗应力开裂性和加工性,可用于半导体制造装置领域的材料和模塑制品 等等,使用该共聚物。 本发明提供一种含有90〜99.4摩尔%的来自四氟乙烯的重复单元的含氟共聚物,0.5〜5摩尔%的由式(1)表示的至少一种以下的低级全氟(烷基乙烯基醚)的重复单元, (1)表示的化合物:其中Rf 1为碳原子数2〜4的全氟烷基,0.1〜5摩尔%的由式(2)表示的至少一种以上的全氟(乙烯基醚)的重复单元, :其中Rf 2为碳原子数5〜10的全氟烷基或碳原子数4〜17的全氟(烷氧基烷基),其中,所述含氟共聚物的熔体流动速率为0.1g / 10分钟〜 100g / 10分钟,熔点为290〜325℃,使用该树脂组合物。