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    • 2. 发明授权
    • Control apparatus for a direct-injection, spark-ignition engine
    • 直喷式火花点火式发动机的控制装置
    • US06725649B2
    • 2004-04-27
    • US10235951
    • 2002-09-06
    • Hiroyuki YamashitaMasashi MarubaraHiroyuki YoshidaNoriyuki Ohta
    • Hiroyuki YamashitaMasashi MarubaraHiroyuki YoshidaNoriyuki Ohta
    • F01N300
    • F02D41/402F02B2075/125F02D41/024F02D41/3023Y02T10/123Y02T10/26Y02T10/44
    • A control apparatus for a direct-injection, spark-ignition engine including a temperature-condition detector for detecting a temperature condition of the engine catalyst, and a controller for controlling a fuel-injection operation. The controller controls the fuel injector to perform divided fuel injections of at least a leading fuel injection and a trailing fuel injection during a compression stroke prior to the ignition timing based upon a detection of the temperature condition in an inactivated state of the catalyst, the trailing fuel injection being performed at such a timing that its mixture concentrates adjacent to the spark plug at the ignition timing by way of high cylinder pressure during a late-stage of the compression stroke, the leading fuel injection being performed at such a timing that its mixture distributes around a mixture layer by the trailing fuel injection at the ignition timing, and a midpoint between an initiation of the leading fuel injection and an initiation of the trailing fuel injection being positioned within a period during a latter half of a compression stroke.
    • 一种用于直接喷射火花点火发动机的控制装置,包括用于检测发动机催化剂的温度状况的温度条件检测器和用于控制燃料喷射操作的控制器。 控制器控制燃料喷射器,以在点火正时之前的压缩行程期间基于在催化剂的失活状态下的温度条件的检测,进行至少前导燃料喷射和尾燃料喷射的分配燃料喷射,尾随 在压缩行程的后期阶段,通过高气缸压力在点火正时使其混合物在火花塞附近集中的燃料喷射进行燃料喷射,前进燃油喷射在其混合物 在点火正时通过尾燃料喷射分布在混合物层周围,并且在压缩冲程的后半段期间,在先导燃料喷射的开始和尾燃料喷射的开始位于一段时间内的中点。
    • 3. 发明申请
    • DIRECT INJECTION SPARK IGNITION ENGINE
    • 直喷喷射点火发动机
    • US20070068482A1
    • 2007-03-29
    • US11536013
    • 2006-09-28
    • Hiroyuki YamashitaMasatoshi SetoHiroyuki Yoshida
    • Hiroyuki YamashitaMasatoshi SetoHiroyuki Yoshida
    • F02F3/26F02B3/00
    • F02B17/005F02B23/104F02B23/105F02B31/00F02B2023/103F02B2023/106F02D41/3029F02D41/402Y02T10/125Y02T10/146Y02T10/44
    • A direct injection spark ignition engine comprises a cylinder, a piston which is reciprocally movably arranged in the cylinder and defines with the cylinder a combustion chamber, a fuel injector arranged at one side of a center axis of the cylinder for directly injecting fuel into the combustion chamber, and a smoothly continuous lowered recess formed on a top surface of the piston surface for receiving at least part of fuel injected from the injector. The recess has a first cross section along a first plane including the cylinder center axis and a nozzle end of the injector. The first cross section has first and second lower contours substantially of arc shape with its center above the recess. The first and second lower contours are smoothly connected with each other through a lowest point of the first cross section. The first lower contour is located at the one side of the cylinder center axis. The second lower contour is located at the other side of the cylinder center axis. The first contour has a larger radius than a radius of the second contour. Accordingly, the fuel spray having greater movement energy may impinge the recess at a regulated impinging angle. Consequently, this configuration may properly guide the fuel spray, prevent the wet fuel spot anywhere within the combustion chamber, and create properly stratified air fuel mixture.
    • 直喷式火花点火发动机包括气缸,活塞,其可往复运动地布置在气缸中并与气缸一起限定燃烧室,燃料喷射器布置在气缸的中心轴线的一侧,用于将燃料直接喷射到燃烧 以及形成在活塞表面的顶表面上的平滑连续的下降凹部,用于接收从喷射器喷射的燃料的至少一部分。 该凹部沿着包括气缸中心轴线和喷射器的喷嘴端的第一平面具有第一横截面。 第一横截面具有基本上具有圆弧形状的第一和第二下部轮廓,其中心在凹部上方。 第一和第二下轮廓通过第一横截面的最低点彼此平滑地连接。 第一个下轮廓位于气缸中心轴的一侧。 第二个下轮廓位于气缸中心轴的另一侧。 第一轮廓的半径大于第二轮廓的半径。 因此,具有较大移动能量的燃料喷雾可以以稳定的碰撞角度撞击凹部。 因此,这种构造可以适当地引导燃料喷雾,防止燃烧室内任何地方的湿燃料点,并且产生适当分层的空气燃料混合物。
    • 5. 发明授权
    • Image measuring apparatus
    • 图像测量仪
    • US09354433B2
    • 2016-05-31
    • US13398042
    • 2012-02-16
    • Hiroyuki Yoshida
    • Hiroyuki Yoshida
    • H04N5/232H04N7/18G02B21/00G01B11/24G02B21/36G03B3/10G03B13/36G03B15/02
    • G02B21/0016G01B11/24G02B21/365G03B3/10G03B13/36G03B15/02H04N5/23212
    • An image measuring apparatus includes: an imaging device of a rolling shutter type configured to image a work; a position control system configured to output a focusing position as information representing a position in a direction of a focusing axis by controlling an in-focus position of the imaging device; and a computing device configured to calculate, from image information acquired from the imaging device, contrast information corresponding to the image information, wherein the computing device divides an acquired image into a plurality of regions and corrects the contrast information corresponding to the image information based on a position of and the contrast information corresponding to each of the regions.
    • 一种图像测量装置包括:被配置为对工件进行成像的滚动快门类型的成像装置; 位置控制系统,被配置为通过控制成像装置的对焦位置来输出聚焦位置作为表示聚焦轴方向上的位置的信息; 以及计算装置,被配置为从从所述成像装置获取的图像信息中计算与所述图像信息相对应的对比度信息,其中,所述计算装置将获取的图像划分为多个区域,并且基于所述图像信息对应于所述图像信息来校正所述对比度信息 对应于每个区域的位置和对比度信息。
    • 10. 发明授权
    • Aqueous ink for inkjet recording
    • 用于喷墨记录的水性油墨
    • US08613508B2
    • 2013-12-24
    • US12673947
    • 2008-08-20
    • Hiroyuki YoshidaTakahiro SatoMasayuki Narita
    • Hiroyuki YoshidaTakahiro SatoMasayuki Narita
    • B41J2/01
    • C09D11/322
    • The present invention relates to (1) a water-based ink for ink-jet printing having excellent storage stability and anti-curling property which includes particles of a crosslinked water-insoluble polymer containing a colorant wherein a content of water in the ink is 60% by weight or less, and the crosslinked polymer contains an anionic group neutralized with a base in an amount of from 0.5 mmol or more per 1 g of the crosslinked polymer; (2) a process for producing the water-based ink; and (3) a method of reducing curling of a print wherein the print is obtained by printing characters or images thereon with the water-based ink using an ink-jet printer.
    • 本发明涉及(1)一种喷墨印刷用水性油墨,其具有优异的储存稳定性和抗卷曲性,其包括含有着色剂的交联水不溶性聚合物的颗粒,其中油墨中的水分含量为60 重量%以下,交联聚合物含有以每1g交联聚合物为0.5mmol以上的碱中和的阴离子基团; (2)水性油墨的制造方法; 和(3)减少印刷品的卷曲的方法,其中通过使用喷墨打印机用水性油墨在其上打印字符或图像来获得印刷品。