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    • 4. 发明申请
    • Hot rolled steel sheet and method for production thereof
    • 热轧钢板及其制造方法
    • US20060266445A1
    • 2006-11-30
    • US10571023
    • 2004-09-02
    • Tatsuo YokoiTetsuya YamadaOsamu Kawano
    • Tatsuo YokoiTetsuya YamadaOsamu Kawano
    • C22C38/00C21D8/00
    • C23C2/02C21D8/0226C21D2201/00C22C38/02C22C38/04C22C38/06C23C2/28Y10T428/12799
    • An exemplary hot rolled steel sheet can included, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 2%; Mn of 0.1 to 2%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦0.01%; and as a remainder, Fe and unavoidable impurities. For example, a microstructure can be substantially a homogeneous continuous-cooled microstructure, and an average grain size of the microstructure may be more than 8 mm and 30 mm or less. An exemplary method for manufacturing a hot rolled steel sheet can include subjecting a slab having the above composition to a rough rolling so as to obtain a rough rolled bar, subjecting the rough rolled bar to a finish rolling so as to obtain a rolled steel under conditions in which a finishing temperature is (Ar3 transformation point +50° C.) or more; and starting cooling the rolled steel after 0.5 seconds or more pass from the end of the finish rolling at a temperature of the Ar3 transformation point or more. At least in the temperature range from the Ar3 transformation point can be cooled to 500° C. at a cooling rate of 80° C./sec or more, a further cooling can be effectuated until the temperature is 500° C. or less to obtain a hot rolled steel sheet and coiling the hot rolled steel sheet.
    • 作为热轧钢板,可以以质量%计含有0.01〜0.2%的C, Si为0.01〜2% Mn为0.1〜2% P <0.1%; S <0.03%; Al为0.001〜0.1%; N <0.01%; 作为余量,Fe和不可避免的杂质。 例如,微结构可以是基本上均匀的连续冷却微结构,并且微结构的平均晶粒尺寸可以大于8mm和30mm或更小。 用于制造热轧钢板的示例性方法可以包括对具有上述组成的板坯进行粗轧以获得粗轧条,对粗轧条进行精轧,以在条件下获得轧制钢 其中终轧温度为(Ar3相变点+ 50℃)以上; 在Ar3相变点以上的温度下,从精轧结束0.5秒钟以上开始冷却轧制钢。 至少在Ar 3相变点的温度范围内,可以以80℃/秒以上的冷却速度将其冷却至500℃,进一步冷却至500℃以下 得到热轧钢板并卷取热轧钢板。
    • 5. 发明授权
    • Hot rolled steel sheet
    • 热轧钢板
    • US07662243B2
    • 2010-02-16
    • US10571023
    • 2004-09-02
    • Tatsuo YokoiTetsuya YamadaOsamu Kawano
    • Tatsuo YokoiTetsuya YamadaOsamu Kawano
    • C22C38/02C22C38/04C22C38/06
    • C23C2/02C21D8/0226C21D2201/00C22C38/02C22C38/04C22C38/06C23C2/28Y10T428/12799
    • An exemplary hot rolled steel sheet can included, in terms of percent by mass, C of 0.01 to 0.2%; Si of 0.01 to 2%; Mn of 0.1 to 2%; P of ≦0.1%; S of ≦0.03%; Al of 0.001 to 0.1%; N of ≦ 0.01%; and as a remainder, Fe and unavoidable impurities. For example, a microstructure can be substantially a homogeneous continuous-cooled microstructure, and an average grain size of the microstructure may be more than 8 μm and 30 μm or less. An exemplary method for manufacturing a hot rolled steel sheet can include subjecting a slab having the above composition to a rough rolling so as to obtain a rough rolled bar, subjecting the rough rolled bar to a finish rolling so as to obtain a rolled steel under conditions in which a finishing temperature is (Ar3 transformation point +50° C.) or more; and starting cooling the rolled steel after 0.5 seconds or more pass from the end of the finish rolling at a temperature of the Ar3 transformation point or more. At least in the temperature range from the Ar3 transformation point can be cooled to 500° C. at a cooling rate of 80°C./sec or more, a further cooling can be effectuated until the temperature is 500° C. or less to obtain a hot rolled steel sheet and coiling the hot rolled steel sheet.
    • 作为热轧钢板,可以以质量%计含有0.01〜0.2%的C, Si为0.01〜2% Mn为0.1〜2% P <0.1%; S <0.03%; Al为0.001〜0.1%; N <0.01%; 作为余量,Fe和不可避免的杂质。 例如,微结构可以是基本均匀的连续冷却微结构,并且微结构的平均晶粒尺寸可以大于8μm和30μm或更小。 用于制造热轧钢板的示例性方法可以包括对具有上述组成的板坯进行粗轧以获得粗轧条,对粗轧条进行精轧,以在条件下获得轧制钢 其中终轧温度为(Ar3相变点+ 50℃)以上; 在Ar3相变点以上的温度下,从精轧结束0.5秒钟以上开始冷却轧制钢。 至少在Ar 3相变点的温度范围内可以以80℃/秒以上的冷却速度将其冷却至500℃,进一步冷却直到温度为500℃以下 得到热轧钢板并卷取热轧钢板。
    • 6. 发明申请
    • BAKE-HARDENING HOT-ROLLED STEEL SHEET WITH EXCELLENT WORKABILITY AND METHOD FOR MANUFACTURING THE SAME
    • 具有优异的可加工性的烧结热轧钢板及其制造方法
    • US20100000633A1
    • 2010-01-07
    • US11722466
    • 2006-01-12
    • Tatsuo YokoiTetsuya YamadaFuminori Tasaki
    • Tatsuo YokoiTetsuya YamadaFuminori Tasaki
    • C21D11/00C22C38/16C22C38/18C22C38/00C21D9/46
    • C23C2/02B21B1/26B21B3/00B32B15/013C21D8/0226C21D9/46C21D2211/001C21D2211/002C21D2211/005C22C38/02C22C38/04C22C38/12
    • According to an exemplary embodiment of the present invention, a bake-hardening hot-rolled steel sheet with excellent workability can be provided. The exemplary steel sheet can contain, in terms of mass %, C of about 0.01 to 0.2%, Si of about 0.01 to 2%, Mn of about 0.1 to 2%, P of about 0.1% or less, S of about 0.03% or less, Al of about 0.001 to 0.1%, N of about 0.01% or less, Nb of about 0.005 to 0.05%, and as the remainder, Fe and unavoidable impurities. A microstructure of the steel sheet can be a polygonal ferrite and/or a continuous-cooled microstructure having an average particle diameter of about 2 μm to 8 μm, and the grain boundary abundance ratio of solute C and/or solute N may be about 0.28 or lower. An exemplary embodiment of the present invention can also be directed to a method for manufacturing a hot-rolled steel sheet. In this exemplary method, a slab containing aforementioned components can be heated to at least a temperature satisfying the equation of SRT (° C.)=6670/{2.26−log(% Nb)(% C)}−273. The heated slab can be subjected to a rough rolling, a finish rolling under a condition where the final temperature can be in a range of the Ar3 transformation point temperature or higher and (Ar3 transformation point temperature+100° C.) or lower to obtain a rolled steel. The rolled steel can be cooled at a cooling rate of about 80° C./sec or higher from cooling initiation down to a temperature range of about 500° C. or lower to obtain a hot rolled steel sheet; and such hot rolled steel sheet can be coiled.
    • 根据本发明的一个示例性实施例,可以提供具有优异的可加工性的烘烤硬化热轧钢板。 示例性钢板可以以质量%计含有约0.01至0.2%的C,约0.01至2%的Si,约0.1至2%的Mn,约0.1%或更小的P,约0.03%的S, 以下的Al为0.001〜0.1%左右,N为0.01%以下,Nb为0.005〜0.05%左右,Fe为不可避免的杂质。 钢板的微细结构可以是平均粒径为约2μm〜8μm的多边形铁素体和/或连续冷却的微结构,并且溶质C和/或溶质N的晶界丰度比可以为约0.28 或更低。 本发明的一个示例性实施方案还可以涉及一种用于制造热轧钢板的方法。 在该示例性方法中,可以将含有上述成分的板坯加热至满足SRT(℃)= 6670 /(2.26-log(%Nb)(%C)} -273的等温度的至少一个温度。 可以在最终温度可以在Ar 3相变点温度以上的范围内和(Ar 3相变点温度+ 100℃)以下的条件下进行粗轧,精轧,得到 轧钢。 可以从冷却开始到约500℃以下的温度范围,以约80℃/秒以上的冷却速度冷却轧制钢,得到热轧钢板; 这样的热轧钢板可以卷绕。
    • 9. 发明授权
    • Motor-driven compressor
    • 电动压缩机
    • US09246320B2
    • 2016-01-26
    • US13251425
    • 2011-10-03
    • Tetsuya YamadaKen SuitouShingo EnamiAkio Fujii
    • Tetsuya YamadaKen SuitouShingo EnamiAkio Fujii
    • H02G15/013F04B35/04F04B39/12F04C23/00F04C18/02
    • H02G15/013F04B35/04F04B39/12F04B39/121F04C18/0215F04C23/008F04C2240/803
    • A motor-driven compressor includes a shell, an electric motor, a first conductor electrically connected to an external power source, a second conductor electrically connected to the electric motor, a connector connecting the first conductor and the second conductor and a connector case. The connector case has a first case member, a second case member, a first and a second seal members interposed between the first and the second case members, a hole through which the first conductor is inserted and a third seal member sealing between the first conductor and the connector case. A first main seal of the first seal member and a second main seal of the second seal member cooperate to form a cylindrical seal portion for sealing the second conductor that is inserted through the cylindrical seal portion when the first and the second seal members are joined.
    • 电动压缩机包括外壳,电动马达,电连接到外部电源的第一导体,电连接到电动机的第二导体,连接第一导体和第二导体的连接器以及连接器壳体。 连接器壳体具有第一壳体构件,第二壳体构件,插入在第一和第二壳体构件之间的第一和第二密封构件,插入第一导体的孔和密封在第一导体之间的第三密封构件 和连接器盒。 第一密封构件的第一主密封件和第二密封构件的第二主密封件协作以形成圆柱形密封部分,用于在第一和第二密封构件接合时密封插入通过圆柱形密封部分的第二导体。