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1. 发明授权

US06049266A Single-phase three-wire type transformer 失效
标题翻译：单相三线式变压器
公开(公告)号：US06049266A
公开(公告)日：2000-04-11
申请号：US288288
申请日：1999-04-08
申请人： Masahiro Hoshino , Hideaki Nagayoshi
发明人： Masahiro Hoshino , Hideaki Nagayoshi
IPC分类号： G05F1/24 , H01F27/28 , H01F27/34 , H01F30/00 , H01F30/04
CPC分类号： G05F1/24 , H01F27/2823 , H01F27/34
摘要： A single-phase three-wire type transformer which forms secondary coils by duplex coils winding two conductors in parallel according to the division intersection connection and can reduce currents circulating inside of a circuit of the transformer, thereby reducing the loss in the transformer. Coils A and B are formed in two opposing locations of a core (1). The coils A and B are configured so that two secondary coils and a primary coil are overlapped and wound in sequence from the inside of the core (1) in three layers, respectively. Each of the secondary coils provided by winding two conductors of small diameter in parallel condition on the core (1). One duplex coil connects the two parallel winding conductors in series with the other duplex coil, i.e. coils (211a) and (222b) are connected at a connection point (p), coils (212a) and (221b) at a connection point (q), coils (221a) and (212b) at a connection point (r), and coils (222a) and (211b) at a connection point (s), and the connection lines are intersected, whereby two closed circuits are formed in the secondary coils.
摘要翻译：单相三线式变压器，通过双相线圈形成二次线圈，根据分路口并联绕组两根导线，可以减少变压器电路内部流动的电流，从而减小变压器的损耗。线圈A和B形成在芯（1）的两个相对的位置。线圈A和B被配置为使得两个次级线圈和初级线圈分别从铁心（1）的内侧按顺序重叠并缠绕。每个次级线圈通过在芯（1）上以平行条件缠绕两个小直径的导体而提供。一个双工线圈将两个并联的绕组导体与另一个双相线圈串联，即线圈（211a）和（222b）在连接点（p）处连接，线圈（212a）和（221b）在连接点），连接点（r）处的线圈（221a）和（212b）以及连接点处的线圈（222a）和（211b），并且连接线相交，由此在次级线圈

2. 发明授权

US5129632A Heat treatment apparatus for thin spheroidal graphite cast iron products 失效
标题翻译：薄球墨铸铁产品热处理设备
公开(公告)号：US5129632A
公开(公告)日：1992-07-14
申请号：US718902
申请日：1991-06-24
申请人： Yasuhiro Uzu , Hideaki Nagayoshi , Ryuzaburo Ishizaka
发明人： Yasuhiro Uzu , Hideaki Nagayoshi , Ryuzaburo Ishizaka
IPC分类号： C21D5/00 , C21D9/00
CPC分类号： C21D9/0018 , C21D5/00 , C21D9/0062
摘要： A heat treatment apparatus for thin spheroidal graphite cast iron products comprising a cast iron product remover for removing a thin spheroidal graphite cast iron product from a casting mold; a continuous furnace having an inlet positioned near the cast iron product remover, the continuous furnace comprising a uniform temperature zone kept at a temperature equal to or higher than an A.sub.3 transformation point of the thin spheroidal graphite cast iron product and a cooling zone downstream of the uniform temperature zone; a first conveying means for the thin cast iron product disposed between the cast iron product remover and the inlet of the continuous furnace; and a second conveying means for the thin cast iron product moving through the continuous furnace, the thin cast iron product being conveyed to the second conveying means by means of the first conveying means immediately after removed from the casting mold and introduced into the continuous furnace by means of the second conveying means.
摘要翻译：一种用于薄球墨铸铁制品的热处理装置，包括用于从铸模中去除薄球墨铸铁产品的铸铁产品去除器; 具有位于铸铁产品去除器附近的入口的连续炉，连续炉包括保持在等于或高于薄球墨铸铁产品的A3相变点的温度的均匀温度区域，以及冷却区域均匀温区; 第一输送装置，用于设置在铸铁产品去除器和连续炉的入口之间的薄铸铁产品; 以及用于移动通过连续炉的薄铸铁制品的第二输送装置，薄铸铁制品通过第一输送装置被立即运送到第二输送装置，在从铸模中取出之后立即被引入连续炉中第二输送装置的装置。

3. 发明授权

US5876523A Method of producing spheroidal graphite cast iron article 失效
标题翻译：生产球墨铸铁制品的方法
公开(公告)号：US5876523A
公开(公告)日：1999-03-02
申请号：US848022
申请日：1997-04-28
申请人： Hideaki Nagayoshi , Seishin Ueda , Kouhei Imanishi
发明人： Hideaki Nagayoshi , Seishin Ueda , Kouhei Imanishi
IPC分类号： C21D5/00 , C22C37/04
CPC分类号： C21D5/00 , C21D2211/005 , C21D2211/009 , C21D2221/10 , Y10S148/902
摘要： A method of producing a spheroidal graphite cast iron article containing at least one pearlite stabilizing element selected from the group consisting of Mn, Cu, Sn, Sb and Pb and having a double layer structure which comprises a surface layer portion and an inner portion. The surface layer portion has a matrix 60% or more of which is ferrite phase and a thickness of at least 0.5 mm. The inner portion has a matrix substantially comprising pearlite phase. The method comprises: (1) heat-treating a starting spheroidal graphite cast iron at a temperature which transforms a whole part of a matrix of the starting spheroidal graphite cast iron substantially to austenite phase; (2) slowly cooling the austenitized spheroidal graphite cast iron at a cooling rate (5.degree. to 20.degree. C./min) which allows in a subsequent step the surface layer portion to be ferritized before the inner portion starts to be pearlitized; (3) holding the cooled spheroidal graphite cast iron at a temperature (710.degree. to 770.degree. C.) which allows the surface layer portion to be first ferritized and subsequently allows the inner portion to be pearlitized while preventing the ferrite phase of the surface layer portion from being transformed to another; and (4) cooling the spheroidal graphite cast iron thus transformed immediately after completion of the pearlitization of the inner portion.
摘要翻译：一种球形石墨铸铁制品的制造方法，其特征在于，含有选自Mn，Cu，Sn，Sb，Pb中的至少一种珠光体稳定化元素，具有包含表层部分和内部的双层结构。表层部分具有60％或更多的铁素体相和至少0.5mm的厚度的基体。内部具有基本上包含珠光体相的基体。该方法包括：（1）在起始球墨铸铁的基体的整个部分基本上转变为奥氏体相的温度下，对起始球墨铸铁进行热处理; （2）以冷却速度（5〜20℃/ min）缓慢冷却奥氏体化球墨铸铁，其允许在随后的步骤中，在内部部分开始被珠光化之前，表面层部分被铁素体化; （3）将冷却的球状石墨铸铁保持在温度（710℃至770℃），允许表面层部分首先铁素体化，随后允许内部部分被珠光化，同时防止表面层的铁素体相部分转变为另一种; 和（4）在完成内部部分的珠光化之后立即冷却由此变形的球状石墨铸铁。

4. 发明授权

US4990194A Thin high-strength article of spheroidal graphite cast iron and method of producing same 失效
标题翻译：薄型高强度球墨铸铁制品及其制造方法
公开(公告)号：US4990194A
公开(公告)日：1991-02-05
申请号：US403876
申请日：1989-09-07
申请人： Fumio Obata , Hideaki Nagayoshi , Eiji Nakano
发明人： Fumio Obata , Hideaki Nagayoshi , Eiji Nakano
IPC分类号： C21D5/00 , C21D5/02 , C22C37/04
CPC分类号： C21D5/02
摘要： A thin high-strength article of spheroidal graphite cast iron having graphite particles dispersed in a ferrite matrix containing 10% or less of pearlite, characterized in that there are substantially no fine gaps between the graphite particles and the ferrite matrix. It is produced by pouring a melt having a spheroidal graphite cast iron composition into a casting mold; removing the casting mold by shake-out, while substantially the entire portion of the resulting cast iron product is still at a temperature of its A.sub.3 transformation point or higher; immediately introducing the cast iron product into a uniform temperature zone of a continuous furnace kept at a temperature of the A.sub.3 transformation point or higher, where the cast iron product is held for 30 minutes or less to decompose cementite contained in the matrix; and transferring the cast iron product into a cooling zone of the continuous furnace to cool the cast iron product at such a cooling speed as to achieve the ferritization of the matrix.
摘要翻译：一种具有分散在含有10％以下的珠光体的铁素体基体中的石墨粒子的球状石墨铸铁的薄型高强度物品，其特征在于，在石墨粒子与铁素体基体之间基本上没有微细的间隙。通过将具有球墨铸铁组合物的熔体浇注到铸模中来制造; 通过振动除去铸模，同时基本上所得铸铁制品的整个部分仍然处于其A3相变点或更高的温度; 立即将铸铁产品引入保持在A3转化点或更高温度的连续炉的均匀温度区，其中铸铁产品保持30分钟以下以分解包含在基质中的渗碳体; 并将铸铁产品转移到连续炉的冷却区中，以这样的冷却速度冷却铸铁产品，以实现基体的铁素体化。

5. 发明授权

US5551995A Spheroidal graphite cast iron for crank shafts and a crank shaft manufactured from such cast iron 失效
标题翻译：用于曲轴的球形石墨铸铁和由这种铸铁制成的曲轴
公开(公告)号：US5551995A
公开(公告)日：1996-09-03
申请号：US397925
申请日：1995-03-03
申请人： Hideaki Nagayoshi
发明人： Hideaki Nagayoshi
IPC分类号： C22C37/04
CPC分类号： C22C37/04 , Y10S148/904
摘要： Spheroidal graphite cast iron for crank shafts having a tensile strength of 75 kgf/mm.sup.2 or more, and having excellent conformability and machinability, which cast iron consisting, by area ratio, of graphite of 5 to 15%, ferrite of not more than 10%, and the balance pearlite matrix, said cast iron having a Brinell hardness (HB) of 241 to 277.
摘要翻译：具有拉伸强度为75kgf / mm2以上的曲轴用球墨铸铁，具有良好的适形性和切削性，由石墨的面积率为5〜15％的铁素体为10％以下的铁素体，，平衡珠光体基体，所述铸铁的布氏硬度（HB）为241〜277。

6. 发明授权

US5346561A Spheroidal graphite cast iron member having improved mechanical strength hand method of producing same 失效
标题翻译：具有改进的机械强度手球法的球墨铸铁件
公开(公告)号：US5346561A
公开(公告)日：1994-09-13
申请号：US22623
申请日：1993-02-25
申请人： Fumio Obata , Hisashi Yasuda , Hideaki Nagayoshi , Kiyoshi Suehara , Kouhei Imanishi , Toshiki Yoshida
发明人： Fumio Obata , Hisashi Yasuda , Hideaki Nagayoshi , Kiyoshi Suehara , Kouhei Imanishi , Toshiki Yoshida
IPC分类号： C21D5/00 , C22C37/04
CPC分类号： C21D5/00 , C22C37/04 , C21D2211/005 , C21D2211/006 , Y10S148/902
摘要： The spheroidal graphite cast iron member having a surface layer portion mostly composed of a ferrite phase and having a thickness of at least 1 mm, and an inner portion composed of a pearlite phase and a ferrite phase, the surface layer portion having a ferritization ratio of 70% or more which is larger than that of the inner portion by at least about 15% is produced by (a) pouring a spheroidal graphite cast melt into a casting mold; (b) removing the casting mold by shake-out after the completion of solidification of the melt, while substantially the entire portion of the resulting cast iron product is still at a temperature of its A.sub.1 transformation point or higher; (c) when the temperature difference between the surface layer portion and the inner portion has become 40.degree.-60.degree. C., introducing the cast iron product into a uniform-temperature furnace kept at 750.degree.-900.degree. C., where the cast iron product is held for such a time period as to produce the surface layer portion having a ferritization ratio of 70% or more which is larger than that of the inner portion by at least about 15%; and (d) transferring the cast iron product into a cooling furnace to cool the cast iron product at a cooling speed of 15.degree.-100.degree. C./min.
摘要翻译：所述球墨铸铁构件具有主要由铁素体相组成且厚度为至少1mm的表层部分和由珠光体相和铁素体相组成的内部，所述表层部分具有铁素体相的铁素体相，通过（a）将球状石墨铸造熔体注入铸模中来制造比内部部分大至少约15％的70％或更多的70％（b）在熔融物凝固完成之后通过摇晃除去铸模，同时基本上所得铸铁产品的整个部分仍处于其A1相变点或更高的温度; （c）当表面层与内部之间的温差变为40°-60°C时，将铸铁产品引入保持在750°-900℃的均匀炉中，铸件铁产品保持这样一段时间，以便产生具有比内部部分大的铁素体比70％或更多的表层部分至少约15％的表面层部分; 和（d）将铸铁产品转移到冷却炉中，以15℃-100℃/ min的冷却速度冷却铸铁产品。

7. 发明授权

US5186233A Method of producing spheroidal graphite cast iron article 失效
标题翻译：生产球墨铸铁制品的方法
公开(公告)号：US5186233A
公开(公告)日：1993-02-16
申请号：US862230
申请日：1992-04-02
申请人： Fumio Obata , Toshiaki Tanaka , Hideaki Nagayoshi
发明人： Fumio Obata , Toshiaki Tanaka , Hideaki Nagayoshi
IPC分类号： C21C1/10 , C22C33/08
CPC分类号： C22C33/08
摘要： A spheroidal graphite cast iron article having a thin portion and a thick portion, the number of spheroidal graphite particles having a diameter of 2 .mu.m or more being 600 /mm.sup.2 or more and less than 2000 /mm.sup.2 in the thin portion and 130 /mm.sup.2 or more and less than 600 /mm.sup.2 in the thick portion, and spheroidization percentage being 70% or more in the thick portion, is produced by a method comprising the steps of: (a) preparing an iron-base alloy melt having a composition consisting essentially by weight of 3.0-4.0% of C, 0.8-1.7% of Si, 1.0% or less of Mn, 0.2% or less of P, 0.01-0.2% of S, the balance being substantially Fe and inevitable impurities; (b) desulfurizing the iron-base alloy melt to control the sulfur content of the melt to less that 0.01% by weight; (c) adding a sulfur-containing material to the melt in such an amount that the sulfur content of the melt becomes 0.011-0.03% by weight; and (d) adding an Mg-containing material and a lanthanide element to the melt to conduct a spheroidizing treatment.
摘要翻译：具有薄壁部分和厚壁部分的球墨铸铁制品，薄壁部分的直径为2μm或更大的球形石墨颗粒的数量为600 / mm 2或更小且小于2000 / mm 2，而130 / mm 2 或更多且小于600 / mm 2的厚部分，并且厚部分中的球化百分比为70％以上，是通过包括以下步骤的方法制备的：（a）制备具有以下组成的铁基合金熔体：基本上重量为3.0-4.0％的C，0.8-1.7％的Si，1.0％或更少的Mn，0.2％或更少的P，0.01-0.2％的S，余量基本上是Fe和不可避免的杂质; （b）将铁基合金熔体脱硫以将熔体的硫含量控制在0.01重量％以下; （c）将熔体中的含硫物质加入到熔体中，使得熔体的硫含量为0.011-0.03重量％; 和（d）向熔体中加入含Mg材料和镧系元素进行球化处理。

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