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    • 12. 发明专利
    • Method for manufacturing heat transfer member, power module, inverter for vehicle, and vehicle
    • 制造热交换器,电力模块,车辆逆变器和车辆的方法
    • JP2009001873A
    • 2009-01-08
    • JP2007164713
    • 2007-06-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • TSUZUKI YOSHIHIKOMIYAMOTO NORITAKA
    • C23C24/08H01L23/36H02M7/48
    • H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a heat transfer member, which can inhibit the exfoliation and cracking of a coating film from occurring due to thermal expansion. SOLUTION: The method for manufacturing the heat transfer member includes forming the coating film from a metal powder on a rectangular region formed of a long side L and a short side S on a substrate 11, by repeating a series of steps which comprise: a first step P1 of spraying a heated metal powder in a solid-phase state onto the surface of the substrate 11 so that the powder is sprayed from a nozzle onto an area having a predetermined spray diameter, and also linearly moving the nozzle 23 and the substrate 11 relatively in a first axial direction, while spraying the powder; and a second step P2 of lineally moving the nozzle 23 and the substrate 11 which have finished the first step, relatively in a second axial direction that is different from the first axial direction, so that a moving distance is the distance equal to the spray diameter or shorter, while spraying the powder. The relative moving distance of the nozzle 23 with respect to the substrate in the first step P1 is controlled to be shorter than the length of the long side L on the substrate. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种可以抑制由于热膨胀而发生的涂膜的剥离和开裂的传热构件的制造方法。 解决方案:传热部件的制造方法包括在基板11上由长边L和短边S形成的矩形区域上的金属粉末形成涂膜,重复一系列步骤,包括 :将固相加热的金属粉末喷涂到基板11的表面上的第一步骤P1,使得粉末从喷嘴喷射到具有预定喷射直径的区域上,并且还使喷嘴23和 基板11相对于第一轴向方向,同时喷射粉末; 以及相对于与第一轴方向不同的第二轴向相对于已经完成了第一阶段的喷嘴23和基板11线性移动的第二台阶P2,使得移动距离等于喷雾直径 或更短,同时喷粉。 喷嘴23相对于第一步骤P1中的基板的相对移动距离被控制为短于基板上的长边L的长度。 版权所有(C)2009,JPO&INPIT
    • 13. 发明专利
    • Method for machining sprayed coating
    • 用于加工喷涂的方法
    • JP2008221445A
    • 2008-09-25
    • JP2007067247
    • 2007-03-15
    • Toyota Motor Corpトヨタ自動車株式会社
    • MIYAMOTO NORITAKAKODAMA KOUTA
    • B23B35/00B23B41/12B24B33/02C23C4/18F02F1/00F16J10/04
    • PROBLEM TO BE SOLVED: To provide a method for machining a sprayed coating forming the sprayed coating excellent in machinability with high shape precision after honing. SOLUTION: In this method, the film W3 formed in a bore C1 surface is machined by dry machining. A cutting tool is rotated at a rotational speed of 400-800 m/min when the cutting tool with a cutting tip containing 60-80 wt.% CBN (cubic boron nitride) is used, and rotated at the speed of 400-900 m/min when the tool with the tip containing 80-90 wt.% CBN (cubic boron nitride) is used. The method comprises: a first step for performing boring to a part of a predetermined machining amount of the sprayed coating W3 while moving the tool by a prescribed feeding rate in the bore; and a second step for performing honing to the remaining part of the predetermined machining amount thereof by using a grinding tool with a grinding wheel. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在珩磨后以高形状精度对加工性优异的喷涂涂层进行机加工的方法。 解决方案:在该方法中,形成在孔C1表面中的膜W3通过干法加工进行加工。 当使用具有含有60-80重量%CBN(立方氮化硼)的切削刀头的切削刀具以400-800m / min的转速旋转刀具时,以400-900m的速度旋转 当使用具有80-90重量%CBN(立方氮化硼)的尖端的工具时,/ min。 该方法包括:第一步骤,用于在所述孔中以规定的进给速率移动所述工具,对所述喷涂涂层W3的预定加工量的一部分进行钻孔; 以及通过使用具有砂轮的研磨工具对其预定加工量的剩余部分进行珩磨的第二步骤。 版权所有(C)2008,JPO&INPIT
    • 17. 发明专利
    • 希土類磁石の製造方法
    • 稀土磁铁制造方法
    • JP2014203842A
    • 2014-10-27
    • JP2013076056
    • 2013-04-01
    • トヨタ自動車株式会社Toyota Motor Corp
    • KANO AKIRAKOBUCHI MASARUHOSHINA EISUKEYAMASHITA OSAMUMIYAMOTO NORITAKA
    • H01F41/02B21J5/00B21J5/08B22F3/00B22F3/24
    • H01F41/0266C21D6/007C21D8/005C21D8/1211C21D8/1216C22C38/002C22C38/005C22C38/10H01F1/0576H01F1/0577
    • 【課題】歪分布を均一化して残留磁化を向上させることができる希土類磁石の製造方法を提供する。【解決手段】次のステップからなる製造方法。焼結体の押圧方向と平行でかつ対向する2つの側面のうち一方の側面を拘束状態として変形を抑制し、他方の側面を非拘束状態として変形を許容する1回目の熱間塑性加工により希土類磁石前駆体を製造する第1のステップ。前記希土類磁石前駆体S’の押圧方向と平行な2つの側面S’1,S’2のうち第1のステップで非拘束状態であった側面S’2を拘束状態として変形を抑制し、第1のステップで拘束状態であった側面S’1を非拘束状態として変形を許容する2回目の熱間加工により希土類磁石Mを製造する第2のステップ。【選択図】図2
    • 要解决的问题:提供一种通过使变形分布均匀而能够提高剩余磁化强度的稀土类磁铁的制造方法。解决方案:制造方法包括以下步骤:通过以下步骤制造稀土类磁体前体通过 通过使平行于烧结体的挤压方向的两个侧面的一个侧面成为限制状态,使彼此相对的变形被抑制,从而使另一侧表面成为不受限制的变形, 州; 以及通过第二热处理制造稀土磁体M的第二步骤,其中通过使第一步骤中处于非限制状态的侧表面S'2在两个侧表面之间成为限制状态而被抑制变形 S'1和S'2平行于稀土磁体前体S'的按压方向,并且通过使处于第一步骤中处于受限状态的侧面S'1进入非限制状态而允许变形 。
    • 18. 发明专利
    • Rare earth magnet, and manufacturing method thereof
    • 稀土磁铁及其制造方法
    • JP2014093391A
    • 2014-05-19
    • JP2012242528
    • 2012-11-02
    • Toyota Motor Corpトヨタ自動車株式会社
    • ICHIKIZAKI DAISUKEMIYAMOTO NORITAKASHOJI TETSUYASAKUMA NORITSUGUIKEDA YUYA
    • H01F41/02B22F3/14B22F3/24C22C33/02C22C38/00H01F1/057H01F1/08
    • H01F1/0576B22F3/12C22C1/04C22C28/00C22C30/00C22C38/00H01F41/0266H01F41/0273
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a rare earth magnet through a hot plastic working, and a rare earth magnet manufactured by this method, especially to provide a rare earth magnet which achieves good processability in hot plastic working by controlling, within an optimum range, the content of Pr making a component of an alloy, and which enables good coercive force performance and good magnetization performance under a high-temperature atmosphere, and a manufacturing method of such a rare earth magnet.SOLUTION: A method for manufacturing a rare earth magnet comprises: a first step for manufacturing a compact S by compacting magnetic powder B used as a rare earth magnet material, including a RE-Fe-B based main phase MP(RE represents Nd and Pr) and a grain boundary phase BP of RE-X alloy (X represents a metal element) around the main phase MP, and having an average grain diameter in a range of 10-200 nm in the main phase MP; and a second step for manufacturing a rare earth magnet C which is a nanocrystalline magnet by performing a hot plastic work on the compact S to impart anisotropy thereto. In the method, the magnetic powder B includes 25-35 at% of Nd, 0.5-1.5 at% of B, 2-7 at% of Co, 0.2-5 at% of Pr, and Fe.
    • 要解决的问题:提供通过热塑性加工制造稀土磁体的方法和通过该方法制造的稀土磁体,特别是提供一种稀土磁体,其通过控制在热塑性加工中实现良好的加工性能, 最佳范围,制备合金成分的Pr的含量,并且其在高温气氛下具有良好的矫顽力性能和良好的磁化性能,以及这种稀土类磁铁的制造方法。 稀土磁体包括:通过压制用作稀土类磁体材料的磁粉B的第一步骤,其包括基于RE-Fe-B的主相MP(RE表示Nd和Pr)和晶界相 在主相MP周围的RE-X合金的BP(X表示金属元素),并且在主相MP中具有在10-200nm范围内的平均粒径; 以及通过对压块S进行热塑性加工来制造作为纳米晶体磁体的稀土磁体C以赋予其各向异性的第二步骤。 在该方法中,磁粉B含有25-35at%的Nd,0.5-1.5at%的B,2-7at%的Co,0.2-5at%的Pr和Fe。
    • 19. 发明专利
    • Method of manufacturing rare earth magnet
    • 制造稀土磁铁的方法
    • JP2013149862A
    • 2013-08-01
    • JP2012010424
    • 2012-01-20
    • Toyota Motor Corpトヨタ自動車株式会社
    • ICHIKIZAKI DAISUKEMANABE AKIRAMIYAMOTO NORITAKAHIRAOKA MOTOKISHOJI TETSUYAOMURA SHINYA
    • H01F41/02B22F3/00B22F3/14C22C28/00C22C33/02C22C38/00H01F1/057H01F1/08
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a rare earth magnet ensuring a high coersive force and excellent magnetization, by diffusing and infiltrating a modified alloy uniformly into the whole magnetic powder becoming a rare earth magnet material.SOLUTION: The method of manufacturing a rare earth magnet includes a first step for mixing a magnetic powder Q consisting of the main phase MP of an RE-Fe-B system (RE: at least one kind of Nd, Pr, Y), and a grain boundary phase BR around the main phase MP, and a modified alloy powder T consisting of an RE-M-RH alloy (M: transition metal element or typical metal element, RH: heavy rare-earth metal) or an RE-M alloy, melting the modified alloy powder by performing hot press, and producing a compact S while infiltrating the melt T' to the boundary surface of magnetic powder, and a second step for manufacturing a rare earth magnet C (orientation magnet) by performing hot plasticity processing of the compact S.
    • 要解决的问题:提供一种制造稀土磁体的方法,其通过将改性合金均匀地扩散并渗入成为稀土类磁体材料的整个磁性粉末中,从而确保高的累积力和优异的磁化强度。解决方案:制造方法 稀土磁体包括:第一步骤,用于混合由RE-Fe-B系统的主相MP(RE:至少一种Nd,Pr,Y)和与晶界相BR组成的磁粉Q 主相MP和由RE-M-RH合金(M:过渡金属元素或典型金属元素,RH:重稀土金属)或RE-M合金组成的改性合金粉末T,熔融改性合金 通过进行热压制造粉末,并且在将熔融物T'渗透到磁粉的边界面的同时制造小型S,以及通过进行压缩机S的热塑性加工来制造稀土磁体C(取向磁体)的第二步骤。
    • 20. 发明专利
    • Manufacturing apparatus and manufacturing method for rare earth magnet
    • 稀土磁铁制造装置及其制造方法
    • JP2013098485A
    • 2013-05-20
    • JP2011242458
    • 2011-11-04
    • Toyota Motor Corpトヨタ自動車株式会社Yonekura Seisakusho:Kk株式会社米倉製作所
    • MANABE AKIRAMIYAMOTO NORITAKAICHIKIZAKI DAISUKESHOJI TETSUYAKISHIMOTO HIDESHIONISHI YASUHIRO
    • H01F41/02B22F3/00B22F3/14C22C33/02H01F1/057H01F1/08H01F7/02
    • PROBLEM TO BE SOLVED: To provide a manufacturing apparatus for a rare earth magnet in which thermal energy which is received in manufacturing steps from sintered compact to oriented magnet is reduced, crystal particles can be prevented from becoming coarse and manufacturing efficiency can be improved, and to provide a manufacturing method for the rare earth magnet.SOLUTION: A manufacturing apparatus 10 comprises at least a die 4 including a hollow where a first hollow 4a of which the cross-sectional area is relatively large and a second hollow 4b of which the cross-sectional area is relatively small are communicated, a first punch 2 which is freely movable within the first hollow, a second punch 3 which is freely movable within the second hollow, main drivers 5, 6 which make the first and second punches 2 and 3 close to each other or separate from each other, and a sub driver 7 which moves the die 4 relatively with respect to the first and second punches 2 and 3. The inside of a cavity C formed from the die 4 and the first and second punches 2 and 3 is filled with a powder (p) that becomes a rare earth magnet material, and a rare earth magnet is manufactured through movement control of the first and second punches 2 and 3, movement control of the die 4 and heating control.
    • 解决问题的方案为了提供一种稀土磁体的制造装置,其中从烧结体到定向磁铁的制造步骤中接收的热能减少,可以防止晶粒变粗,制造效率可以 改进,并提供稀土磁体的制造方法。 解决方案:制造装置10至少包括具有中空部的模具4,其中横截面积相对较大的第一中空部件4a和横截面积相对较小的第二中空部件4b被连通 第一冲头2,其可在第一中空部内自由移动;第二冲头3,其能够在第二中空部分主驱动器5,6内自由移动,使第一和第二冲头2和3彼此靠近或分离; 以及相对于第一和第二冲头2和3相对移动模具4的副驱动器7.由模具4和第一和第二冲头2和3形成的模腔C的内部填充有粉末 (p),通过第一和第二冲头2和3的移动控制,模具4的移动控制和加热控制来制造稀土磁体。 版权所有(C)2013,JPO&INPIT