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    • 1. 发明授权
    • Wear-resistant sintered ferrous alloy for valve seat
    • 用于阀座的耐磨烧结铁合金
    • US5498483A
    • 1996-03-12
    • US430383
    • 1995-04-28
    • Kozo ItoYoshishige Takano
    • Kozo ItoYoshishige Takano
    • F01L3/02B22F3/00B22F3/26C22C1/05C22C33/02C22C38/00C22C38/54F01L3/22B22F7/00
    • C22C33/0207F01L3/22Y10T428/12014Y10T428/12056Y10T428/1216Y10T428/12167
    • A wear-resistant sintered ferrous alloy for use as a valve seat, the alloy comprising an iron-based matrix having a sorbite or pearlite structure consisting of 0.5 to 1.5% by weight of C, 0.5 to 3% by weight of Ni, 0.5 to 2% by weight of Mo, 0.1 to 8% by weight of Co, 0.05 to 1% by weight of Mn, and the balance of Fe, with unavoidable impurities, and having a Vickers hardness of from 300 to 450; hard particles A consisting of 1.5 to 2.5% by weight of C, 38 to 45% by weight of Cr, 18 to 30% by weight of W, 5 to 15% by weight of Co, 0.5 to 3% by weight of Mo, 0.03 to 0.5% by weight of Ti, and the balance of Fe, with unavoidable impurities, and having an average particle diameter of from 30 to 80.mu.m; and hard particles B consisting of 60 to 70% by weight of Mo, 0.5 to 2% by weight of Si, and the balance of Fe, with unavoidable impurities, and having an average particle diameter of from 30 to 80 .mu.m, the hard particles A and the hard particles B being uniformly dispersed in the iron-based matrix in a total amount of from 10 to 25% by weight based on the total weight of the iron-based matrix, the hard particles A, and the hard particles B.
    • 一种用作阀座的耐磨烧结铁合金,该合金包括具有由0.5至1.5重量%的C,0.5至3重量%的Ni,0.5至1.5重量%的由Sorbite或珠光体组织组成的铁基基体 2重量%的Mo,0.1〜8重量%的Co,0.05〜1重量%的Mn,余量为Fe,不可避免的杂质,维氏硬度为300〜450; 由1.5〜2.5重量%的C,38〜45重量%的Cr,18〜30重量%的W,5〜15重量%的Co,0.5〜3重量%的Mo构成的硬质粒子A, 0.03〜0.5重量%的Ti,余量为Fe,不可避免的杂质,平均粒径为30〜80μm; 和由60〜70重量%的Mo,0.5〜2重量%的Si,余量的Fe和不可避免的杂质构成的硬质粒子B,平均粒径为30〜80μm,硬度 基于铁基基体,硬质粒子A和硬质粒子B的总重量,颗粒A和硬质粒子B均匀分散在铁基基质中的总量为10〜25重量% 。
    • 4. 发明授权
    • Quadrupole electrode and process for producing the same
    • 四极电极及其制造方法
    • US5373157A
    • 1994-12-13
    • US965258
    • 1993-01-05
    • Seiji HirokiTetsuya AbeYoshio MurakamiYoshishige TakanoAkira YamakawaMasaya Miyake
    • Seiji HirokiTetsuya AbeYoshio MurakamiYoshishige TakanoAkira YamakawaMasaya Miyake
    • H01J49/42H01J1/88
    • H01J49/4215H01J49/068
    • The present invention relates to improvement of a quadrupole electrode for use in a mass spectrometer or the like, in which two pairs of electrode rods 1, 2, 3 and 4 formed in such a manner that the section of the opposed face of each rod is hyperbolic or circular, and each electrode rod is made of a ceramic and the surface of the electrode is coated with a coating layer 5 of a conductive metal. Further, the present invention relates to a production process, characterized by incorporating such four electrodes at predetermined intervals. Since the electrodes are mainly made of a ceramic which is easily formable with a high dimensional accuracy, the adjustment of the positional relationship between the electrodes during assembling can be made without much effort, which enables a quadrupole electrode having a high performance to be provided with a good reproducibility at a low cost.
    • PCT No.PCT / JP92 / 01141 Sec。 371日期:1993年1月5日 102(e)日期1993年1月5日PCT提交1992年9月7日PCT公布。 出版物WO93 / 05532 日本1993年3月18日。本发明涉及用于质谱仪等的四极电极的改进,其中两对电极棒1,2,3和4以这样的方式形成: 每个杆的相对面是双曲线或圆形,并且每个电极棒由陶瓷制成,并且电极的表面涂覆有导电金属的涂层5。 此外,本发明涉及一种制造方法,其特征在于以预定间隔并入这四个电极。 由于电极主要由能够以高尺寸精度容易地形成的陶瓷制成,因此可以在组装期间电极之间的位置关系的调整不需要太多的努力,这使得能够提供具有高性能的四极电极 以低成本实现良好的再现性。
    • 8. 发明授权
    • Process for producing a shaft clamping member
    • 用于制造轴夹紧件的工艺
    • US5566449A
    • 1996-10-22
    • US292691
    • 1994-08-18
    • Kenji OkamotoHiroyuki HorimuraMasahiko MinemiYoshinobu TakedaYoshishige TakanoToshihiko Kaji
    • Kenji OkamotoHiroyuki HorimuraMasahiko MinemiYoshinobu TakedaYoshishige TakanoToshihiko Kaji
    • B22F3/17C22C1/04C22C21/00F16C9/04F16J7/00B23P15/10
    • C22C21/00B22F3/17C22C1/0416F16C9/04F16J7/00Y10S29/031Y10T29/49291Y10T29/49813Y10T74/2162
    • A connecting rod as a shaft clamping member includes a rod member and cap, each of which has mating faces at circumferentially opposite ends of a semi-circular recess and which are fastened to each other by bolts by matching the opposed mating faces to each other to define a crank pin hole by the two semi-circular recesses. The rod member and the cap are forgings formed from an aluminum alloy and simultaneously produced by forging powder preforms of the rod member and cap in a cavity having the desired shape of the connecting rod. After forging, the opposed mating faces have an infinite number of recesses and projections which are formed from the flow of the material during the forging and which are in a matched and fitted relation to each other. Thus, any misalignment between and in a direction parallel to the mating faces can be prevented to avoid the generation of a situation that only the rod member receives a stress. This achieves a prolongation in the life of the connecting rod of the aluminum alloy. The composition of the most desirable aluminum alloy includes, by weight, 7% .ltoreq.Fe
    • 作为轴夹持构件的连杆包括杆构件和盖,每个杆构件和盖在半圆形凹部的周向相对端具有配合面,并且通过将相对的配合面彼此匹配而通过螺栓彼此紧固, 通过两个半圆形凹槽限定曲柄销孔。 杆构件和盖是由铝合金形成的锻件,并且通过将棒构件和盖的粉末预制件锻造在具有所需形状的连杆的空腔中而制成。 在锻造之后,相对的配合面具有无数个凹槽和凸起,它们在锻造期间由材料的流动形成,并且彼此处于相配合的关系。 因此,可以防止在与配合面平行的方向之间和方向之间的任何未对准,以避免仅产生杆构件受到应力的情况的产生。 这实现了铝合金连杆寿命的延长。 最理想的铝合金的组成包括:选自Ti,Zr,Mn,Ni的金属的7%<15%,1%
    • 9. 发明授权
    • Powder forging method of aluminum alloy powder having high proof stress
and toughness
    • 铝合金粉末的粉末锻造方法具有很高的抗应力和韧性
    • US5498393A
    • 1996-03-12
    • US280386
    • 1994-07-26
    • Hiroyuki HorimuraKenji OkamotoMasahiko MinemiToshihiko KajiYoshishige TakanoYoshinobu Takeda
    • Hiroyuki HorimuraKenji OkamotoMasahiko MinemiToshihiko KajiYoshishige TakanoYoshinobu Takeda
    • B22F3/02B22F3/17C22C1/04C22C21/00C22C45/08C22F1/00C22F1/04
    • C22C21/00C22C1/0416
    • An aluminum alloy powder or a green compact thereof is prepared, wherein: (1) the composition formula is Al.sub.100-a-b Fe.sub.a X.sub.b where a and b in atomic % are 4.0.ltoreq.a.ltoreq.6.0, 1.0.ltoreq.b.ltoreq.4.0, and where X is at least one alloy element selected from Y and Mm (mish metal); or (2) the composition formula is Al.sub.100-a-b-c Fe.sub.a Si.sub.b X.sub.c, where a, b and c in atomic % are 3.0.ltoreq.a.ltoreq.6.0, 0.5.ltoreq.b.ltoreq.3.0, and 0.5.ltoreq.c.ltoreq.3.0, and where X is at least one alloy element selected from Ti, Co, Ni, Mn and Cr, and wherein both (1) and (2) include an amorphous phase of at least 1% by volume. The aluminum alloy powder or the green compact thereof is heated at a temperature increasing at a rate of at least 80.degree. C./min. to a predetermined temperature of at least 560.degree. C. and not more than a temperature at which 10% by volume of a liquid phase is contained in the alloy powder or green compact. The aluminum alloy powder or the green compact thereof is powder forged at the predetermined temperature. As a result, an aluminum alloy superior in static strength and dynamic strength can be produced.
    • 制备铝合金粉末或其生坯,其中:(1)组成式为Al100-a-bFeaXb,其中a和b为原子%为4.0 / = 4.0,其中X是选自Y和Mm(金属)中的至少一种合金元素; 或(2)组成式为Al100-ab-cFeaSibXc,其中原子%中的a,b和c为3.0,=6.0,0.5≤b≤3.0,0.5≤c 其中X是选自Ti,Co,Ni,Mn和Cr中的至少一种合金元素,其中(1)和(2)都包括至少1体积%的非晶相。 铝合金粉末或其生坯在以至少80℃/分钟的速度升温的温度下加热。 达到至少560℃的预定温度,并且不超过在合金粉末或生坯中含有10体积%的液相的温度。 铝合金粉末或其生坯是在预定温度下锻造的粉末。 结果,可以制造出静电强度和动态强度优异的铝合金。