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41. 发明申请

US20080089803A1 Austenitic stainless steel 有权
标题翻译：奥氏体不锈钢
公开(公告)号：US20080089803A1
公开(公告)日：2008-04-17
申请号：US11905707
申请日：2007-10-03
申请人： Hirokazu Okada , Masaaki Igarashi , Kazuhiro Ogawa , Yasutaka Noguchi
发明人： Hirokazu Okada , Masaaki Igarashi , Kazuhiro Ogawa , Yasutaka Noguchi
IPC分类号： C22C38/52 , C22C38/18
CPC分类号： C22C38/50 , C21D6/004 , C21D7/13 , C21D2211/001 , C21D2211/004 , C22C38/001 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , F28F21/083
摘要： An austenitic stainless steel improved in creep strength, creep ductility, weldability and also hot workability. The steel, consisting of, by mass %, C: 0.05-0.15%, Si: not more than 2%, Mn: 0.1-3%, P: 0.05-0.30%, S: not more than 0.03%, Cr: 15-28%, Ni: 8-55%, Cu: 0-3.0%, Ti: 0.05-0.6%, REM: 0.001-0.5%, sol. Al: 0.001-0.1%, N: not more than 0.03%, and the balance being Fe and incidental impurities. This steel may contain one or more of Mo, W, B, Nb, V, Co, Zr, Hf, Ta, Mg and Ca. It is preferable that REM is Nd.
摘要翻译：奥氏体不锈钢的蠕变强度，蠕变延展性，可焊性和热加工性均有所提高。钢以质量％C：0.05〜0.15％，Si：2％以下，Mn：0.1〜3％，P：0.05〜0.30％，S：0.03％以下，Cr：15 -28％，Ni：8-55％，Cu：0-3.0％，Ti：0.05-0.6％，REM：0.001-0.5％，溶胶。 Al：0.001-0.1％，N：不大于0.03％，余量为Fe和附带杂质。该钢可含有Mo，W，B，Nb，V，Co，Zr，Hf，Ta，Mg和Ca中的一种或多种。 REM优选为Nd。

42. 发明申请

US20060237103A1 Welded joint of tempered martensite based heat-resistant steel 有权
标题翻译：回火马氏体型耐热钢焊接接头
公开(公告)号：US20060237103A1
公开(公告)日：2006-10-26
申请号：US10551222
申请日：2004-03-31
申请人： Masaaki Tabuchi , Hirokazu Okada , Masayuki Kondo , Susumu Tsukamoto
发明人： Masaaki Tabuchi , Hirokazu Okada , Masayuki Kondo , Susumu Tsukamoto
IPC分类号： C22C38/00
CPC分类号： C22C38/22 , C22C38/02 , C22C38/04 , C22C38/24 , C22C38/26 , C22C38/30
摘要： A welded joint of a tempered martensitic heat resisting steel, characterized in that the fine-grained heat affected zone of weldment of a heat resisting steel having a tempered martensite structure exhibits a creep strength of 90% or more of the creep strength of the base metal thereof. The welded joint is inhibited in the formation of the fine-grained HAZ exhibiting a significantly reduced creep strength.
摘要翻译：一种回火马氏体耐热钢的焊接接头，其特征在于，具有回火马氏体组织的耐热钢的焊点的细晶粒热影响区表现出基体金属的蠕变强度的90％以上的蠕变强度其中。焊接接头在形成细颗粒HAZ时被抑制，表现出显着降低的蠕变强度。

43. 发明授权

US06486817B1 Digital-analog conversion circuit capable of functioning at a low power supply voltage 有权
标题翻译：数字模拟转换电路能够在低电源电压下工作
公开(公告)号：US06486817B1
公开(公告)日：2002-11-26
申请号：US09706714
申请日：2000-11-07
申请人： Hirokazu Okada , Tachio Yuasa
发明人： Hirokazu Okada , Tachio Yuasa
IPC分类号： H03M178
CPC分类号： H03M1/682 , H03M1/765
摘要： A resistor string digital-analog conversion circuit includes three resistor strings connected in series, a controller, and a switch group. The controller controls switchover of the switch group according to a signal of m high-order bits of an input digital signal. Thus an analog output corresponding to the m high-order bits is obtained. Another controller varies potentials of two variable voltage sources according to a signal of n low-order bits of the input digital signal, while always keeping a potential difference across the three resistor strings constant. Thus an analog output corresponding to the n low-order bits is obtained. This analog output is output to an output terminal.
摘要翻译：电阻串数模转换电路包括串联连接的三个电阻串，控制器和开关组。控制器根据输入数字信号的m个高位的信号控制开关组的切换。因此，获得对应于m个高位的模拟输出。另一个控制器根据输入数字信号的n个低阶位的信号来改变两个可变电压源的电位，同时始终保持三个电阻串之间的电位差恒定。因此，获得对应于n个低阶位的模拟输出。该模拟输出输出到输出端子。

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