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    • 6. 发明申请
    • OIL DRILLING AUXILIARY DISPERSION
    • 油钻辅助分散
    • US20130252854A1
    • 2013-09-26
    • US13878606
    • 2011-10-14
    • Shunsuke AbeNanako SaigusaMasahiro YamazakiHiroyuki Sato
    • Shunsuke AbeNanako SaigusaMasahiro YamazakiHiroyuki Sato
    • C09K8/12
    • C09K8/588C09K8/12C09K8/5086C09K8/512C09K8/70C09K8/885C09K2208/08C09K2208/18
    • A dispersion liquid for supporting oil drilling, including: an aqueous medium and a particulate solid polyglycolic acid resin dispersed in the aqueous medium; wherein the particulate polyglycolic acid resin has a weight-average molecular weight of at least 70,000 and at most 500,000, and exhibits weight retentivities in water at 80° C. of at least 85% after 12 hours, at most 80% after 72 hours, and at most 45% after 168 hours. The particulate solid polyglycolic acid resin included in the above-mentioned dispersion liquid for supporting oil drilling, functions as a fluidity control material exhibiting ideal degradation characteristics in the drilling operation for expansion of oil production capacity, demanded for suppressing the liquid permeability in the early stage and recovery of the liquid permeability after completion of the operation of the formation around the oil well.
    • 一种用于支撑石油钻井的分散液,包括:水性介质和分散在水性介质中的颗粒状固体聚乙醇酸树脂; 其特征在于,所述粒状聚乙醇酸树脂的重均分子量为70,000以上且500,000以下,12小时后,80℃下的水分重量保持率为85%以上,72小时后为80%以上, 168小时后最多45%。 上述用于支撑油钻井的分散液中包含的颗粒状固体聚乙醇酸树脂用作在用于膨胀油生产能力的钻井操作中表现出理想的降解特性的流动性控制材料,需要在早期抑制液体渗透性 并且在油井周围操作完成后恢复液体渗透性。
    • 9. 发明授权
    • Optical apparatus and method for adjusting amount of light of the same
    • 用于调节其光量的光学装置和方法
    • US07116494B2
    • 2006-10-03
    • US10996733
    • 2004-11-24
    • Masahiro Yamazaki
    • Masahiro Yamazaki
    • G02B13/18G02B3/02G02B7/02
    • G02B27/144G02B7/023
    • An optical apparatus provided in an optical pickup includes first and second light sources, a light splitting element, a condensing lens, a mounting base, a light receiving element, and a protruding piece formed on the condensing lens. The condensing lens guides transmission light from the first light source or reflection light from the second light source that are split by the light splitting element to the light receiving element. By grasping the protruding piece to protrude in a direction perpendicular to a lens axis of the condensing lens, and adjusting a mounting position of the condensing lens on the mounting base, a sufficient amount of light for stable control of a light output is applied to the light receiving element for light output monitor.
    • 设置在光学拾取器中的光学装置包括第一和第二光源,分光元件,聚光透镜,安装基座,光接收元件和形成在聚光透镜上的突出片。 聚光透镜将来自第一光源的透射光或来自第二光源的反射光引导到由光分离元件分离的光接收元件。 通过将突出部件沿着与会聚透镜的透镜轴线垂直的方向突出并且将聚光透镜的安装位置调整在安装基座上,将足够量的用于稳定控制光输出的光施加到 光输出监视器用光接收元件。
    • 10. 发明申请
    • Narrow angle v-type engine
    • 窄角v型发动机
    • US20060011153A1
    • 2006-01-19
    • US10529944
    • 2003-10-08
    • Masahiro Yamazaki
    • Masahiro Yamazaki
    • F02B75/22F01L1/26F02M35/10
    • F02B75/221
    • A V-engine having a plurality of cylinders (2) arranged alternately in two banks comprises a combustion chamber provided for each of the cylinders (2), an intake port (20) which connects the combustion chamber to an intake manifold (50), and an exhaust port (30) which connects the combustion chamber to an exhaust manifold (70). The intake ports (20) of the two banks are all configured so as to pass through one of the banks, and the exhaust ports (30) of the two banks are all configured so as to pass through the other bank. The angle formed by the two banks is set to eight degrees or less.
    • 具有交替设置在两组中的多个气缸(2)的V型发动机包括:为每个气缸(2)设置的燃烧室,将燃烧室连接到进气歧管(50)的进气口(20) 以及将燃烧室连接到排气歧管(70)的排气口(30)。 两组的进气口(20)全部构成为通过其中一个排,并且两个排的排气口(30)都被配置为通过另一个排。 由两组形成的角度设定为8度以下。