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    • 3. 发明授权
    • Control system and control method for diesel engine
    • 柴油机控制系统及控制方法
    • US06209516B1
    • 2001-04-03
    • US09428232
    • 1999-10-27
    • Masayuki Yamashita
    • Masayuki Yamashita
    • F01L1300
    • F02D13/0234F01L1/34F01L2013/0089F02B1/12F02B3/06F02B2275/18F02D13/0269F02D15/04F02D41/3035F02D41/401F02D2013/0292F02D2041/389Y02T10/12Y02T10/128Y02T10/142Y02T10/18Y02T10/44
    • A control system for a compression ignition type diesel engine includes an operating state detecting unit for detecting the operating state of the diesel engine. A combustion mode selecting unit selects, in correspondence with the output of the operating state detecting unit, a first combustion mode, wherein fuel injection is carried out in the first half of the compression stroke, or a second combustion mode, wherein fuel injection is carried out at around compression top dead center. An effective compression ratio varying unit varies the effective compression ratio of the diesel engine and a control unit controls the effective compression ratio varying unit to lower the effective compression ratio when the first combustion mode is selected by the combustion mode selecting unit compared to when the second combustion mode is selected. When the first combustion mode is selected by the combustion mode selecting unit, by fuel injection being carried out in the first half of the compression stroke and the effective compression ratio being lowered so that compression ignition occurs at around compression top dead center, a uniform highly diffuse premix combustion can be realized. When the second combustion mode is selected by the combustion mode selecting unit, by fuel injection being carried out at compression top dead center and ignition occurring at around compression top dead center substantially simultaneously with fuel injection, without the effective compression ratio being lowered, diffusion combustion is realized.
    • 用于压燃式柴油机的控制系统包括用于检测柴油发动机的运行状态的运行状态检测单元。 燃烧模式选择单元与操作状态检测单元的输出相对应地选择在压缩冲程的前半部分执行燃料喷射的第一燃烧模式或其中进行燃料喷射的第二燃烧模式 在压缩上死点附近。 有效压缩比可变单元改变柴油发动机的有效压缩比,并且当燃烧模式选择单元选择第一燃烧模式时,控制单元控制有效压缩比变化单元以降低有效压缩比,与第二 选择燃烧模式。 当通过燃烧模式选择单元选择第一燃烧模式时,通过在压缩冲程的前半部分中执行燃料喷射并降低有效压缩比,使得在压缩上止点附近发生压缩点火,均匀高度 弥散预混燃烧可以实现。 当通过燃烧模式选择单元选择第二燃烧模式时,通过在压缩上止点进行燃料喷射和基本上与燃料喷射同时发生在压缩上止点附近的点火,而没有有效压缩比降低,扩散燃烧 实现了。
    • 4. 发明授权
    • Grain-oriented electrical steel sheet and method for producing same
    • 晶粒取向电工钢板及其制造方法
    • US6159309A
    • 2000-12-12
    • US180125
    • 1998-11-02
    • Yousuke KurosakiNorito AbeNobuo TachibanaKentaro ChikumaKiyokazu IchimuraSadanobu HirokamiMasayuki Yamashita
    • Yousuke KurosakiNorito AbeNobuo TachibanaKentaro ChikumaKiyokazu IchimuraSadanobu HirokamiMasayuki Yamashita
    • C21D8/12C22C38/02C22C38/06C22C38/60
    • C22C38/60C21D8/12C21D8/1233C21D8/1261C22C38/02C22C38/06C21D8/1222
    • The present invention provides a grain-oriented electrical steel sheet having magnetic properties equal to, or higher than, those of conventional steel sheets can be produced economically with high productivity, and a method for producing such a steel sheet. The producing method comprises the steps of using, as a starting material, a coil obtained by heating a slab having a composition comprising, in terms of percent by weight, 0.02 to 0.15% of C, 2.5 to 4.0% of Si, 0.02 to 0.20% of Mn, 0.015 to 0.065% of Sol. Al, 0.0030 to 0.0150% of N, 0.005 to 0.040% as the sum of at least one of S and Se and the balance substantially consisting of Fe and hot rolling the slab to a coil, or a coil directly cast from a molten steel having the same components as the slab, conducting hot rolled sheet annealing at 900 to 1,100.degree. C., one stage cold rolling the sheet by a tandem mill having a plurality of stands, conducting decarburization annealing, further conducting final finish annealing, and then applying final coating so that a product having a thickness of 0.20 to 0.55 mm, an average grain diameter size of 1.5 to 5.5 mm, a W.sub.17/50 value expressed by the formula given below and a B.sub.8 value satisfying the relation 1.80.ltoreq.B.sub.8 (T).ltoreq.1.88:0.5884e.sup.1.9154t .ltoreq.W17/50 (W/kg).ltoreq.0.7558e.sup.1.7378t [t: sheet thickness.]
    • PCT No.PCT / JP98 / 01718 Sec。 371日期:1998年11月2日 102(e)1998年11月2日日期PCT提交1998年4月15日PCT公布。 公开号WO99 /​​ 46416 PCT 日期1999年9月16日本发明提供一种具有等于或高于常规钢板的磁特性的方向性电磁钢板可以以高生产率经济地生产,以及这种钢板的制造方法。 该制造方法包括以下步骤:使用通过加热具有以重量%计含有C 0.02〜0.15%,Si 2.5〜4.0%,0.02〜0.20重量% Mn%,0.015〜0.065%的Sol。 Al,0.0030〜0.0150%的N,0.005〜0.040%,作为S和Se中的至少一种的总和,余量基本上由Fe组成,并且将板坯热轧成线圈,或者是从具有 与板坯相同的部件,在900〜1100℃下进行热轧板退火,通过具有多个机架的串列式轧机进行一段冷轧,进行脱碳退火,进一步进行最终成品退火,然后施加最终 涂布,使得厚度为0.20〜0.55mm,平均粒径尺寸为1.5〜5.5mm的产品,由下式给出的W17 / 50值和满足关系1.80
    • 10. 发明授权
    • Mask ROM using tunnel current detection to store data and a method of
manufacturing thereof
    • 掩模ROM使用隧道电流检测来存储数据及其制造方法
    • US5464989A
    • 1995-11-07
    • US245305
    • 1994-05-17
    • Shinichi MoriOsamu UedaMasayuki Yamashita
    • Shinichi MoriOsamu UedaMasayuki Yamashita
    • G11C11/56H01L21/8246H01L27/112H01L49/02
    • G11C11/5692H01L27/112Y10S257/926Y10S438/981
    • Each of the portions corresponding to the crossings of a plurality of first strip conductive layers serving as bit lines and a plurality of second strip conductive layers serving as word lines crossing the conductive layers at right angles is used as one memory cell. An oxide film is provided between the first strip conductive layers and the second strip conductive layers. The thickness of this oxide film is set in each memory cell according to stored data. Also a multi-value memory can be realized, since the amount of stored data in each memory cell is an arbitrary amount of 1 bit or more by making the stored data of a plurality of types of memory cells having different thicknesses in the tunnel oxide film 15 correspond to a plurality of different data. The size of each memory cell can be reduced since the occupying area of each memory cell on the semiconductor substrate is dependent on the width of the first strip conductive layer and the second strip conductive layer. An insulation film in which tunnel phenomenon is generated can be formed using conventional manufacturing technology.
    • 作为用作位线的多个第一带状导电层和作为与导电层成直角交叉的字线的多个第二带状导电层的交叉部分的每个部分被用作一个存储单元。 在第一带状导电层和第二带状导电层之间设置氧化膜。 根据存储的数据,将该氧化膜的厚度设定在各存储单元中。 另外,可以实现多值存储器,因为通过在隧道氧化膜中存储具有不同厚度的多种类型的存储单元的存储数据,每个存储单元中存储的数据量是1位或更多的任意量 15对应于多个不同的数据。 由于半导体衬底上的每个存储单元的占有面积取决于第一带状导电层和第二带状导电层的宽度,因此可以减小每个存储单元的尺寸。 可以使用传统的制造技术形成其中产生隧道现象的绝缘膜。