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    • 4. 发明授权
    • Biaxial inclination sensor
    • 双轴倾角传感器
    • US5774996A
    • 1998-07-07
    • US598384
    • 1996-02-08
    • Hideo OgawaNorihisa TerajiIsshu Terauchi
    • Hideo OgawaNorihisa TerajiIsshu Terauchi
    • G01C9/06G01C9/18G01C9/20G01C9/36G01C9/24
    • G01C9/20G01C9/06G01C2009/068G01C2009/182
    • A biaxial inclination sensor including, in the inner bottom of a circular liquid chamber 11 formed in a sensor holder 1 made of an insulating material and having a bottom surface 28 made horizontal, one common electrode 2 made of 18K gold having a low ionization tendency in a central position and vertical with respect to the bottom surface 28 and four outer electrodes 3 made of the same material as the common electrode 2 and passing vertically through the bottom surface 28 at points of intersection of two horizontal orthogonal lines passing through the center and a circle of a predetermined radius about the center and all having the same surface area. An opening in the liquid chamber 11 of the sensor holder 1 is closed off in a liquidproof manner by a glass window plate 4 having a spherical concave portion 9 of a surface roughness less than JIS Rmax 0.25 in its inner surface. A gas bubble 8 and an electrolyte 7 made by mixing pure water as a solvent, magnesium sulfate as a solute and anhydrous methanol as a solution in such ratios that the impedance between the electrodes is 10K.OMEGA. are sealed into the sealed liquid chamber 11 in amounts such that the common electrode 2 is always submerged in the electrolyte and does not make contact with the gas bubble 8. The biaxial inclination sensor has a high resolution and reproducibility and stability of detection with which it is possible to secure a high level indication of inclination angle zero by attitude control.
    • 一种双轴倾斜传感器,包括:在由绝缘材料制成并且具有水平的底面28的传感器保持器1中形成的圆形液体室11的内部底部,具有低电离倾向的18K金制成的公共电极2 相对于底面28的中心位置和垂直于与公共电极2相同的材料制成的四个外部电极3,并且在穿过中心的两个水平正交线交点处垂直通过底面28, 围绕中心的预定半径的圆,并且全部具有相同的表面积。 传感器保持架1的液体室11中的开口由具有在其内表面上具有小于JIS Rmax 0.25的表面粗糙度的球形凹部9的玻璃窗板4以液体方式封闭。 通过将纯水作为溶剂混合制成的气泡8和电解质7,作为溶质的硫酸镁和作为溶液的无水甲醇的比例使得电极之间的阻抗为10K OMEGA,其量以密封液体室11的量被密封 使得公共电极2总是浸没在电解质中并且不与气泡8接触。双轴倾斜传感器具有高分辨率和再现性以及检测的稳定性,借此可以确保高水平的倾斜指示 角度零由姿态控制。
    • 5. 发明授权
    • Slump retaining agent
    • SLUMP保留代理
    • US5162402A
    • 1992-11-10
    • US787191
    • 1991-11-04
    • Hideo OgawaYoshio TanakaTadashi Tsuchitani
    • Hideo OgawaYoshio TanakaTadashi Tsuchitani
    • C04B24/26C04B24/32C04B40/00C08F216/14C08F222/20C08L35/08
    • C04B24/267C04B40/0039C08F216/1416C08F222/20C08L35/08C04B2103/308
    • A polymeric composition which reduces the loss of flowability of a cementitious composition comprises at least one polymer as a salt thereof having the form of a copolymer of(a) a maleic anhydride half-ester with a compound of the formula IRO(AO).sub.m H (I) where R is a C.sub.1-20 alkyl group, A is a C.sub.2-4 alkylene group and m is an integer from 2-16; and(b) a monomer having the formula IICH.sub.2 .dbd.CHCH.sub.2 -(OA).sub.n OR (II) where n is an integer from 1-90.In a preferred embodiment, there is present a polycarboxylate salt which is at least one polymer or copolymer comprising at least one of the monomers acrylic acid, methacrylic acid, maleic anhydride, maleic acid and maleic acid monoester, polymer and polycarboxylate salt being blended in the proportion of 0.1-10 parts of weight of polymer per part of polycarboxylate salt.Cementitious compositions such as concrete in which such polymeric compositions are included maintain their slump properties.
    • 降低水泥组合物流动性损失的聚合物组合物包含至少一种作为其盐的聚合物,其具有(a)马来酸酐半酯与式I RO(AO)mH的化合物的共聚物形式 (I)其中R是C 1-20烷基,A是C 2-4亚烷基,m是2-16的整数; 和(b)具有式II CH2 = CHCH2-(OA)nOR(II)的单体,其中n是1-90的整数。 在优选的实施方案中,存在聚羧酸盐,其是至少一种包含丙烯酸,甲基丙烯酸,马来酸酐,马来酸和马来酸单酯中的至少一种的聚合物或共聚物,聚合物和聚羧酸盐共混在 比例为每份聚羧酸盐0.1-10份聚合物。 包含这些聚合物组合物的混凝土的水泥组合物保持其坍落度特性。
    • 6. 发明申请
    • SOLENOID VALVE AND MANUFACTURING METHOD OF THE SAME
    • 电磁阀及其制造方法
    • US20100044608A1
    • 2010-02-25
    • US12526851
    • 2008-03-19
    • Hideo Ogawa
    • Hideo Ogawa
    • F16K31/06B23P17/00
    • F16K31/0603F16K31/0655H01F7/08H01F7/128Y10T29/49405
    • Provided is a solenoid valve wherein control characteristics are prevented from deteriorating due to changes of magnetic characteristics of a magnetic circuit when a center post is contaminated, and the desired control characteristics are maintained for a long period of time. In the solenoid valve, a nonmagnetic layer (41) is formed on the surface of a center post (40) by electroless nickel-phosphorous plating or composite electroless nickel-phosphorous plating containing PTFE. Thus, contamination of the center post (40) is remarkably suppressed, the characteristics of the magnetic circuit for moving the plunger (30) by magnetic attraction are prevented from changing due to changes of magnetic permeability between the plunger (30) and the center post (40), the plunger (30) and a valve element (55) integrated with the plunger are suitably moved corresponding to a current applied to a coil (20), and the valve is opened/closed.
    • 提供一种电磁阀,其中当中心柱被污染时,防止由于磁路的磁特性的变化而导致控制特性恶化,并且期望的控制特性长时间保持。 在电磁阀中,通过含有PTFE的无电镀镍 - 磷电镀或复合无电镀镍 - 磷电镀,在中心柱(40)的表面上形成非磁性层(41)。 因此,显着地抑制了中心柱(40)的污染,由于柱塞(30)和中心柱(30)之间的磁导率的变化,防止通过磁吸引移动柱塞(30)的磁路的特性变化 (40)中,所述柱塞(30)和与所述柱塞一体化的阀元件(55)适合于施加到线圈(20)的电流而被移动,并且所述阀被打开/关闭。
    • 7. 发明授权
    • Method for producing pipe having polygon-shaped closed cross-section and
device therefor
    • 用于制造具有多边形封闭截面的管的方法及其装置
    • US5845526A
    • 1998-12-08
    • US831477
    • 1997-03-31
    • Yoshiaki KadomaIwao NihashiHideo OgawaHiroyuki AminoYouji Suzuki
    • Yoshiaki KadomaIwao NihashiHideo OgawaHiroyuki AminoYouji Suzuki
    • B21C37/10B21C37/15B21D3/10B21D5/01B21D39/02B21D51/28
    • B21C37/104B21C37/155
    • A method for continuously producing pipes, each having a polygon-shaped closed cross-section taken perpendicularly to the feeding direction of a strip of metal, which are free from brittleness caused by metal fatigue, and have good precision. A feed-bending method of successively feeding a strip of metal (work) W between a main die body, mandrel, punch and correction punches by predetermined feed lengths, and pressing the work W with these members synchroously with feeding is performed. The work W is gradually bent along designed ridgelines L1 through L2 extending in the feeding direction and defining ridgelines L5 through L8 of a product pipe W1, from the ridgelines L1 and L2 close to widthwise ends e1 and e2 to the ridgelines L3 and L4 in the widthwise center thereof in the course between the vicinity of an inlet and the vicinity of a middle of a device, and then, a resulting rough pipe W0 is corrected from the inside and outside thereof in the vicinity of an outlet of the device.
    • 一种用于连续生产管道的方法,其具有垂直于金属条的进给方向垂直截取的多边形封闭横截面,其不受金属疲劳引起的脆性,并且具有良好的精度。 执行以预定的进给长度在主模具主体,心轴,冲头和校正冲头之间连续供给金属(工件)W条的进给弯曲方法,并且与进给同步地用这些构件按压工件W. 工件W沿着沿着进给方向延伸的设计的脊线L1至L2逐渐弯曲,并且从靠近横向端e1和e2的棱线L1和L2定位到产品管W1的脊线L5至L8到脊线L3和L4 在入口附近和设备中部附近的过程中的宽度方向中心,然后从设备的出口附近的内部和外部校正所得到的粗管W0。
    • 10. 发明授权
    • Solenoid valve and manufacturing method of the same
    • 电磁阀及其制造方法相同
    • US08376315B2
    • 2013-02-19
    • US12526851
    • 2008-03-19
    • Hideo Ogawa
    • Hideo Ogawa
    • F16K31/02
    • F16K31/0603F16K31/0655H01F7/08H01F7/128Y10T29/49405
    • Provided is a solenoid valve wherein control characteristics are prevented from deteriorating due to changes of magnetic characteristics of a magnetic circuit when a center post is contaminated, and the desired control characteristics are maintained for a long period of time. In the solenoid valve, a nonmagnetic layer (41) is formed on the surface of a center post (40) by electroless nickel-phosphorous plating or composite electroless nickel-phosphorous plating containing PTFE. Thus, contamination of the center post (40) is remarkably suppressed, the characteristics of the magnetic circuit for moving the plunger (30) by magnetic attraction are prevented from changing due to changes of magnetic permeability between the plunger (30) and the center post (40), the plunger (30) and a valve element (55) integrated with the plunger are suitably moved corresponding to a current applied to a coil (20), and the valve is opened/closed.
    • 提供一种电磁阀,其中当中心柱被污染时,防止由于磁路的磁特性的变化而导致控制特性恶化,并且期望的控制特性长时间保持。 在电磁阀中,通过含有PTFE的无电镀镍 - 磷电镀或复合无电镀镍 - 磷电镀,在中心柱(40)的表面上形成非磁性层(41)。 因此,显着地抑制了中心柱(40)的污染,由于柱塞(30)和中心柱(30)之间的磁导率的变化,防止通过磁吸引移动柱塞(30)的磁路的特性变化 (40)中,所述柱塞(30)和与所述柱塞一体化的阀元件(55)适合于施加到线圈(20)的电流而被移动,并且所述阀被打开/关闭。