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    MANUFACTURING METHOD OF MACHINE COMPONENT
    5.
    发明申请
    MANUFACTURING METHOD OF MACHINE COMPONENT 有权
    机械部件的制造方法

    公开(公告)号：US20140048179A1

    公开(公告)日：2014-02-20

    申请号：US14113573

    申请日：2012-04-25

    申请人： Takumi Fujita ,  Kazuhiro Yagita

    发明人： Takumi Fujita ,  Kazuhiro Yagita

    IPC分类号： C23C8/34

    CPC分类号： C23C8/34 ,  C21D1/06 ,  C21D1/76 ,  C21D9/40 ,  C23C8/02 ,  C23C8/32 ,  C23C8/80 ,  C23C28/042 ,  F16C33/64

    摘要： A method of manufacturing a machine component includes the steps of: preparing a member made of steel; forming a film containing vanadium at a surface by subjecting the member to oxidation; and forming a nitrogen-enriched layer by heating the member having the film formed in a heat treatment gas atmosphere containing nitrogen gas and absent of ammonia gas for carbonitriding.

    摘要翻译： 制造机械部件的方法包括以下步骤：制备由钢制成的部件; 通过使构件氧化而在表面形成含有钒的膜; 并且通过加热在含有氮气的热处理气氛中形成的膜的构件并且不存在用于碳氮共渗的氨气来形成富氮层。

    HighFfrequency Induction Heating Treatment Equipment and Method and Induction Heated Thus Treated Product
    7.
    发明申请
    HighFfrequency Induction Heating Treatment Equipment and Method and Induction Heated Thus Treated Product 有权
    高频感应加热处理设备及方法及感应加热处理产品

    公开(公告)号：US20080073003A1

    公开(公告)日：2008-03-27

    申请号：US11662713

    申请日：2005-09-08

    申请人： Takumi Fujita ,  Nobuyuki Suzuki

    发明人： Takumi Fujita ,  Nobuyuki Suzuki

    IPC分类号： C21D11/00

    CPC分类号： C21D1/42 ,  C21D1/00 ,  C21D1/10 ,  C21D11/00 ,  Y02P10/253

    摘要： To provide a heat treatment providing a product with quality as desired, high frequency induction heating treatment equipment capable of temperature control to provide such heat treatment includes temperature controlling means for adjusting in temperature an object to be treated, and quenching means for determining when the object heated should be cooled. The temperature controlling means includes heating means, temperature measuring means involved in temperature control, and temperature adjusting means. The quenching means includes temperature measuring means involved in quenching, and heat treatment adjusting means.

    摘要翻译： 为了提供提供具有所需质量的产品的热处理，能够进行温度控制以提供这种热处理的高频感应加热处理设备包括温度调节装置，用于调节待处理物体的温度，以及淬火装置，用于确定物体何时 加热应冷却。 温度控制装置包括加热装置，涉及温度控制的温度测量装置和温度调节装置。 淬火装置包括淬火温度测量装置和热处理调节装置。

    Life estimation device and life estimation method for rolling bearing
    9.
    发明授权
    Life estimation device and life estimation method for rolling bearing 有权
    滚动轴承寿命估计装置及寿命估算方法

    公开(公告)号：US09329100B2

    公开(公告)日：2016-05-03

    申请号：US13979784

    申请日：2012-01-12

    申请人： Takashi Ito ,  Takumi Fujita

    发明人： Takashi Ito ,  Takumi Fujita

    IPC分类号： G01M13/04

    CPC分类号： G01M13/04 ,  G01M13/045

    摘要： A lifetime estimation device to estimate a lifetime of a rolling bearing assembly comprising inner and outer rings includes a buildup height estimation unit to estimate in accordance with a predetermined rule a buildup height of the indentation based on the inputted depth of the indentation or the inputted indentation size; and a lifetime estimation unit to estimate the lifetime of the rolling bearing assembly, the lifetime estimation unit being configured to determine a preliminary estimate of the lifetime of the rolling bearing assembly based on a dynamic equivalent load, determine a rate of reduction in a rolling fatigue life based on the buildup height of the indentation, and apply the determined rate of reduction in a rolling fatigue life to the preliminary estimate of the lifetime of the rolling bearing assembly to determine an estimate of the lifetime of the rolling bearing assembly.

    摘要翻译： 用于估计包括内环和外环的滚动轴承组件的寿命的寿命估计装置包括累积高度估计单元，其基于所输入的压痕深度或输入的凹痕根据预定规则估计压痕的累积高度 尺寸; 以及寿命估计单元，其估计所述滚动轴承组件的寿命，所述寿命估计单元被配置为基于动态等效载荷来确定所述滚动轴承组件的寿命的初步估计，确定滚动疲劳减少率 基于压痕的积聚高度的寿命，并将确定的滚动疲劳寿命的降低速率应用于滚动轴承组件的寿命的初步估计，以确定滚动轴承组件的寿命的估计。

    Torsion beam type suspension device
    10.
    发明授权
    Torsion beam type suspension device 有权
    扭转梁式悬挂装置

    公开(公告)号：US08646789B2

    公开(公告)日：2014-02-11

    申请号：US13808410

    申请日：2011-07-20

    申请人： Takaki Ohdo ,  Masafumi Mori ,  Takashi Okazaki ,  Takumi Fujita

    发明人： Takaki Ohdo ,  Masafumi Mori ,  Takashi Okazaki ,  Takumi Fujita

    IPC分类号： B60G21/05

    CPC分类号： B60G21/051 ,  B60G2200/23 ,  B60G2206/20 ,  B60G2206/722 ,  B60G2206/8102 ,  B60G2206/8201

    摘要： A torsion beam type suspension device is provided in which a trailing arm part and a torsion beam part are formed as a unit by press-forming a tailored blank material in which end parts of plate materials having different thicknesses are butt-welded via a weld part. A weld part of the tailored blank material comprises a U-shaped cross section in which front and rear side wall portions are connected via a bottom wall portion, and a pair of cutouts are formed at the edge of each of the side wall portions at positions sandwiching the weld part, and therefore, when the torsion beam part is twistedly deformed, shifting the concentration of stress from the weld part to the cutout enables peeling apart of the weld end part to be prevented and the durability of the torsion beam type suspension device to be enhanced.

    摘要翻译： 一种扭力梁式悬挂装置，其中后臂部分和扭转梁部分通过冲压成形一种单一的成形单元形成，其中具有不同厚度的板材的端部通过焊接部分对接 。 定制的坯料的焊接部分包括U形横截面，其中前壁和后侧壁部分经由底壁部分连接，并且在每个侧壁部分的边缘处形成一对切口 夹着焊接部，因此当扭转梁部被扭曲变形时，将焊接部的应力集中到切断部，能够防止焊接端部的剥离，并且扭转梁型悬架的耐久性 要加强