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    • 1. 发明授权
    • Auxiliary brake system
    • 辅助制动系统
    • US6062025A
    • 2000-05-16
    • US969552
    • 1997-11-13
    • Seiji OkadaTakashi Takahashi
    • Seiji OkadaTakashi Takahashi
    • F02B37/24F02B37/12
    • F02B37/24Y02T10/144
    • An auxiliary brake system includes a turbocharger, including an exhaust turbine driven by exhaust gas supplied from an internal combustion engine, nozzle vanes disposed therearound at intervals for a vane-opening-degree adjustment, and an actuator for adjusting the vane opening degree; a compression-releasing engine brake unit for generating an engine brake force by discharging suction air compressed in a combustion chamber of the engine at the timing in the vicinity of compression top dead center; and an electronic control unit. This control unit actuates the engine brake unit when the engine is in a fuel-cut region, and rotates the nozzle vanes through an actuator so that the opening degree of each nozzle vane is smaller than that attained when the engine brake unit is disabled and meets an engine rotation speed. As a result, when the engine brake unit is in operation, the rotation speed of the turbine of the turbocharger increases within a range where the turbine rotation speed does not exceed a rotation speed limit, so that the supercharging degree in the turbocharger increases, whereby an engine brake action of the engine brake unit is enhanced to produce a required engine brake force, while improving the durability of the turbocharger.
    • 辅助制动系统包括涡轮增压器,其包括由内燃机供给的废气驱动的排气涡轮机,间隔设置在叶片开度调节件上的喷嘴叶片和用于调节叶片开度的致动器; 压缩释放式发动机制动单元,其通过在压缩上止点附近的时刻排出在发动机的燃烧室内排出的吸入空气而产生发动机制动力; 和电子控制单元。 当发动机处于燃料切断区域时,该控制单元致动发动机制动单元,并且使喷嘴叶片通过致动器旋转,使得每个喷嘴叶片的开度小于当发动机制动单元被禁用并满足时所达到的开度 发动机转速。 结果,当发动机制动单元运行时,涡轮增压器的涡轮的转速在涡轮转速不超过转速极限的范围内增加,涡轮增压器的增压度增加, 增强发动机制动单元的发动机制动作用,以提高所需的发动机制动力,同时提高涡轮增压器的耐久性。
    • 2. 发明授权
    • Turbocharger control apparatus and a control method of turbocharger with
a variable nozzle
    • 涡轮增压器控制装置和具有可变喷嘴的涡轮增压器的控制方法
    • US6067798A
    • 2000-05-30
    • US50430
    • 1998-03-31
    • Seiji OkadaTakashi Takahashi
    • Seiji OkadaTakashi Takahashi
    • F02B37/12F02B37/24F02D23/00
    • F02B37/24Y02T10/144
    • A turbocharger control apparatus has an exhaust turbine including an exhaust gas introducing port having a variable nozzle which can vary a passage area of the port by adjusting its opening degree, an engine load detection device which detects a load of an internal combustion engine, an idling state detection device which detects an idling state of the engine, and a control device which adjusts the opening degree of the nozzle in a region equal to or greater than a predetermined opening degree when the load detection device detects the engine load, and which adjusts the opening degree of the nozzle in a region smaller than the predetermined opening degree when the load detection device detects the non-engine load and detects that the internal engine is in the idling state. A control method of a turbocharger with a variable nozzle, has a step which detects an idling state and a load state of an internal combustion engine, and a step which adjusts an opening degree of the nozzle in a region equal to or greater than a predetermined opening degree when the load state of the engine is detected, and which adjust the opening degree of the nozzle in a region smaller than the predetermined opening degree when the idling state and the non-load state of the engine is detected.
    • 涡轮增压器控制装置具有排气涡轮机,该排气涡轮机具有排气导入口,该排气导入口具有可变喷嘴,该喷嘴可以通过调节其开度来改变该口的通道面积;检测内燃机的负荷的发动机负荷检测装置, 状态检测装置,其检测发动机的怠速状态;以及控制装置,其在负载检测装置检测到发动机负荷时,在等于或大于预定开度的区域中调节喷嘴的开度,并且调节 当负载检测装置检测到非发动机负载并且检测到内部发动机处于怠速状态时,喷嘴的开度在小于预定开度的区域中。 具有可变喷嘴的涡轮增压器的控制方法具有检测内燃机的怠速状态和负载状态的步骤,以及在等于或大于预定的范围内调节喷嘴的开度的步骤 检测到发动机的负载状态时的开度,并且在检测到发动机的怠速状态和非负载状态时,在小于规定开度的区域中调节喷嘴的开度。
    • 3. 发明授权
    • Engine-brake assisting system
    • 发动机制动辅助系统
    • US5992376A
    • 1999-11-30
    • US948580
    • 1997-10-10
    • Seiji OkadaTakashi Takahashi
    • Seiji OkadaTakashi Takahashi
    • F02D13/04
    • F02D13/04
    • In an engine-brake assisting system comprising a hydraulic pressure producing unit, an exhaust valve driving unit and a hydraulic circuit member which are constructed as discrete elements, the hydraulic pressure producing unit produces a desired hydraulic pressure by rotating a camshaft disposed on a cylinder head to drive an engine-brake assisting cam. The generated hydraulic pressure is then supplied to an exhaust cam of the exhaust valve driving unit, which causes exhaust valves to open and close at a timing different from a valve opening and closing timing during a normal operation, thereby giving the engine a large brake force. With this arrangement, the reduction of overall size of the system and consequent reduction of overall height of an engine can be achieved.
    • 在包括作为分立元件构成的液压产生单元,排气阀驱动单元和液压回路构件的发动机制动辅助系统中,液压产生单元通过旋转设置在气缸盖上的凸轮轴产生期望的液压 驱动发动机制动辅助凸轮。 所产生的液压然后被提供给排气门驱动单元的排气凸轮,这在正常操作期间在不同于阀开启和关闭正时的定时使排气门打开和关闭,从而给发动机大的制动力 。 通过这种布置,可以实现系统的总体尺寸的减小和发动机的整体高度的降低。
    • 5. 发明授权
    • Image-taking apparatus and output image generation method
    • 摄像装置和输出图像生成方法
    • US08363146B2
    • 2013-01-29
    • US11831142
    • 2007-07-31
    • Hiroaki YoshidaYukio MoriYasuhachi HamamotoSeiji OkadaSatoru TakeuchiMasahiro Yokohata
    • Hiroaki YoshidaYukio MoriYasuhachi HamamotoSeiji OkadaSatoru TakeuchiMasahiro Yokohata
    • H04N5/222
    • H04N5/23293H04N5/23219H04N5/23248H04N5/23254H04N5/23296
    • An image-taking apparatus generates an output image from a photographed image obtained by photographing and displays this output image on a display screen of a display section. The image-taking apparatus includes a recognition processing section for recognizing a specific subject (facial region of a person, or a facial component such as eyes) included in the photographed image. Referring to results of this recognition, the image-taking apparatus evaluates the dimension of the specific subject in each photographed image. If the dimension evaluated is relatively large, a relatively small magnification ratio to be employed upon the generation of the output image from the photographed image is provided. If the dimension evaluated is relatively small, a relatively large magnification ratio to be employed upon the generation of the output image from the photographed image is provided. As a result, the dimension of the specific subject in the output image is kept substantially constant.
    • 摄像装置从拍摄得到的拍摄图像中生成输出图像,并在显示部的显示画面上显示该输出图像。 拍摄装置包括:识别处理部,用于识别包含在拍摄图像中的特定被摄体(人脸的面部区域或面部成分,例如眼睛)。 参考该识别的结果,摄像装置评估每个拍摄图像中特定被摄体的尺寸。 如果评估的尺寸相对较大,则提供在从拍摄的图像生成输出图像时采用的相对小的放大率。 如果评估的尺寸相对较小,则在从拍摄的图像生成输出图像时将提供相对较大的放大率。 结果,输出图像中的特定被摄体的尺寸保持基本上恒定。
    • 8. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    • 固定装置和图像形成装置,包括它们
    • US20110182637A1
    • 2011-07-28
    • US13013868
    • 2011-01-26
    • Seiji Okada
    • Seiji Okada
    • G03G15/20
    • G03G15/2053G03G2215/2032
    • A fixing device includes a coil disposed along an outer surface of a heating member and configured to generate magnetic flux for heating the heating member through induction heating; and a core unit being configured to constitute a part of a magnetic path around the coil. The core unit includes a plurality of core bodies arranged in a width direction of a recording medium to be conveyed, the core bodies being made of magnetic material; and a shaft having an outer surface on which the core bodies are arranged, a length of the outer surface being longer than a sum of lengths of the core bodies arranged thereon, the core body lengths including axial tolerances of the core bodies. A gap is provided between any adjacent ones of the core bodies,
    • 定影装置包括沿着加热构件的外表面设置的线圈,并且被配置为产生用于通过感应加热来加热加热构件的磁通量; 并且芯单元被构造成构成围绕线圈的磁路的一部分。 核心单元包括沿待传送的记录介质的宽度方向布置的多个芯体,芯体由磁性材料制成; 以及具有外表面的轴,所述芯体布置在所述外表面上,所述外表面的长度长于设置在其上的芯体的长度之和,所述芯体长度包括所述芯体的轴向公差。 在任何相邻的芯体之间提供间隙,
    • 9. 发明授权
    • Sheet processing apparatus, fixing unit and image forming apparatus provided with the fixing unit
    • 具有固定单元的片材处理设备,定影单元和图像形成设备
    • US07672629B2
    • 2010-03-02
    • US11945302
    • 2007-11-27
    • Seiji Okada
    • Seiji Okada
    • G03G15/20
    • G03G15/2028
    • A fixing unit includes a heating rotary member for heating a sheet, a pressing rotary member that is pressed against the heating rotary member with a specific pressure, forming a nip in between, and at least one separating member having a far end directed toward a surface of one of the rotary members with a narrow gap (d) on a downstream side of the nip so that the far end of the separating member hooks on and separates the sheet which is going to turn with the one rotary member. The gap (d) between the far end of said separating member and the surface of the one rotary member and a minimum width (L) of a top margin of the sheet along a leading edge thereof where the toner image is not formed are set to satisfy a relationship expressed by the inequality: d+1.5≦L≦3d+1.5.
    • 定影单元包括用于加热片材的加热旋转构件,以特定压力压靠加热旋转构件的压紧旋转构件,在其间形成辊隙,并且至少一个分离构件具有朝向表面的远端 在辊隙的下游侧具有窄间隙(d)的旋转构件之一,使得分离构件的远端钩住并分离与一个旋转构件转动的片材。 所述分离构件的远端与一个旋转构件的表面之间的间隙(d)和沿着其未形成调色剂图像的前缘的片材的上边缘的最小宽度(L)被设置为 满足由不等式表示的关系:d + 1.5≦̸ L≦̸ 3d + 1.5。