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    • 6. 发明授权
    • Color image forming apparatus for preventing toner image displacement on
an image support
    • 用于防止图像载体上的调色剂图像位移的彩色图像形成装置
    • US6075547A
    • 2000-06-13
    • US74370
    • 1998-05-08
    • Hiroaki Takeuchi
    • Hiroaki Takeuchi
    • G03G15/00G03G15/01G03G21/14B41J2/455B41J2/525
    • G03G15/0173G03G15/0121G03G2215/0158G03G2215/0177
    • A color image forming apparatus includes an image forming unit which forms a multicolor image on a second image support by sequentially transferring toner images related to a plurality of colors from a first image support to the second image support in an overlaying manner. A reference position detecting unit detects a reference mark signal every time a reference mark at a reference position on the second image support is sensed during rotation of the second image support. A laser scan start timing control unit controls a laser scan start timing for the image forming unit to start scanning the first image support by a laser beam, based on the reference mark signal. A phase error measurement unit measures a phase error between a line sync signal and the reference mark signal by counting system clocks before the laser scan start timing. A drive speed control unit adjusts a rotating speed of the second image support to a controlled speed by outputting a drive pulse to a motor which rotates the second image support, the drive speed control unit determining an ON-state period of the drive pulse depending on the phase error measurement such that a timing of detection of the reference mark signal matches the laser scan start timing.
    • 彩色图像形成装置包括图像形成单元,该图像形成单元通过以叠加方式将从多个颜色相关的调色剂图像顺序地从第一图像支持传送到第二图像支持,从而在第二图像支持上形成多色图像。 参考位置检测单元每当在第二图像支持件的旋转期间感测到第二图像支撑件上的基准位置处的参考标记时,检测参考标记信号。 激光扫描启动定时控制单元基于参考标记信号来控制图像形成单元的激光扫描开始定时,以激光束开始扫描第一图像支持。 相位误差测量单元通过对激光扫描开始定时之前的系统时钟进行计数来测量行同步信号和参考标记信号之间的相位误差。 驱动速度控制单元通过向第二图像支持旋转的马达输出驱动脉冲来将第二图像支持的转速调整到受控速度,驱动速度控制单元根据驱动速度控制单元确定驱动脉冲的接通状态周期 相位误差测量使得参考标记信号的检测定时匹配于激光扫描开始定时。
    • 7. 发明授权
    • Braking pressure control apparatus in a wheel slip control system
    • 车轮打滑控制系统中的制动压力控制装置
    • US5364176A
    • 1994-11-15
    • US111956
    • 1993-08-26
    • Masashi SawadaHiroaki Takeuchi
    • Masashi SawadaHiroaki Takeuchi
    • B60T8/175B60T8/36B60T8/42B60T8/48B60T8/58
    • B60T8/368B60T8/4291B60T8/4872
    • The invention is directed to a braking pressure control apparatus for controlling a wheel slip of a driven wheel during braking and driving operations, wherein pressure control valves are disposed in the fluid passage between a master cylinder and a wheel brake cylinder, and a changeover valve is disposed in the passage between the master cylinder and the pressure control valves, for blocking the flow of the brake fluid when the wheel slip of the driven wheel is controlled during the driving operation. A first reservoir having a first variable volume chamber for storing the brake fluid discharged from the wheel brake cylinder is provided and normally urged to be of its minimum volume. Also, a second reservoir having a second variable volume chamber for storing the brake fluid discharged from the wheel brake cylinder is provided and normally urged to expand for storing a predetermined amount of the brake fluid. A fluid pump is provided for pumping the brake fluid from the first and second reservoirs, and supplying the pumped brake fluid to the passage between the pressure control valves and the changeover valve in the wheel slip control during the braking and driving operations. Thus, the apparatus may be easily installed in a conventional braking system without any change to the master cylinder reservoir.
    • 本发明涉及一种用于在制动和驱动操作期间控制从动轮的车轮打滑的制动压力控制装置,其中压力控制阀设置在主缸和车轮制动缸之间的流体通道中,并且转换阀是 设置在主缸和压力控制阀之间的通道中,用于在驱动操作期间控制从动轮的车轮打滑时阻止制动液的流动。 提供具有用于存储从车轮制动缸排出的制动流体的第一可变容积室的第一储存器,并且通常被迫使其具有其最小体积。 此外,具有用于存储从车轮制动液缸排出的制动流体的第二可变容积室的第二储存器被设置并且通常被推动膨胀以储存预定量的制动液。 提供了一种流体泵,用于从第一和第二储存器泵送制动流体,并且在制动和驱动操作期间将泵送的制动流体供给到压力控制阀和切换阀之间的通道中。 因此,该装置可以容易地安装在传统的制动系统中,而不改变主缸油箱。
    • 9. 发明授权
    • Antiskid apparatus
    • 防滑装置
    • US4834468A
    • 1989-05-30
    • US99728
    • 1987-09-22
    • Kazutaka KuwanaHiromu KuromitsuHiroaki TakeuchiNobuyasu NakanishiTomohiko Hosoda
    • Kazutaka KuwanaHiromu KuromitsuHiroaki TakeuchiNobuyasu NakanishiTomohiko Hosoda
    • B60T8/48B60T8/42
    • B60T8/4291
    • The present invention relates an antiskid apparatus for an automotive vehicle. The apparatus includes a cut-off valve which is connected between a master cylinder and a wheel cylinder and provides communication therebetween in response to wheel cylinder pressure and cuts off pressurized hydraulic fluid from the master cylinder when an antiskid operation is performed by the control system. A solenoid valve is positioned in a conduit which connects the wheel cylinder to the cut-off valve. The solenoid valve is also connected to a discharge side of a pump which circulates pressurized oil. When the solenoid is in a normal position, the wheel cylinder is connected to the cut-off valve in the discharge side of the pump. When changed over from the normal position, the solenoid valve disconnects the wheel cylinder from the cut-off valve and the discharge side of the pump and connects the wheel cylinder to a reservoir connected to an intake side of the pump.
    • 本发明涉及一种用于机动车辆的防滑装置。 该装置包括连接在主缸和轮缸之间的截止阀,并且当由控制系统执行防滑操作时,响应于轮缸压力提供连通,并且在主缸中切断加压液压流体。 电磁阀位于将轮缸连接到截止阀的导管中。 电磁阀也连接到循环加压油的泵的排放侧。 当螺线管处于正常位置时,轮缸连接到泵的排放侧的截止阀。 当从正常位置切换时,电磁阀将轮缸与截止阀和泵的排出侧分离,并将轮缸连接到连接到泵的进气侧的储存器。
    • 10. 发明授权
    • Tandem brake master cylinder with anti bottoming system
    • 串联制动主缸,带底盖系统
    • US4472942A
    • 1984-09-25
    • US452519
    • 1982-12-23
    • Yoshihisa NomuraKiyoshi NishiwakiHiroshi KawaguchiFujio TobaYoshinori MoriHiroaki Takeuchi
    • Yoshihisa NomuraKiyoshi NishiwakiHiroshi KawaguchiFujio TobaYoshinori MoriHiroaki Takeuchi
    • G11B23/28B60T11/20B60T11/224G11B23/04
    • B60T11/224B60T11/20
    • In a tandem type brake master cylinder having a body formed with coaxial large and small cylinder bores, a first piston member having a large land sliding in the large bore and a first small land sliding in the small bore, a second piston member having second and third small lands sliding in the small bore, a first chamber defined between the large land and the first small land, a second chamber defined between the first and the second small lands, a third chamber defined between the third small land and a closed end of the small bore, a first spring biasing the first and second piston members apart, a second spring biasing the second piston member away from the closed end of the small bore, first and second outlets opening from the second and third chambers respectively, and a means to allow fluid to pass from the first chamber to the second chamber but not back, a means is provided to prevent the first piston member and the second piston member from becoming separated by a distance greater than a certain predetermined distance.
    • 在具有形成有同轴的大而小的气缸孔的主体的串联式制动主缸中,具有在大孔中滑动的大的平台的第一活塞构件和在小孔中滑动的第一小平台,第二活塞构件具有第二和 在小孔内滑动的第三小土地,在大陆地和第一小陆地之间限定的第一房间,限定在第一和第二小土地之间的第二房间;第三房间, 所述小孔,第一弹簧偏置所述第一和第二活塞构件分开,第二弹簧偏压所述第二活塞构件远离所述小孔的封闭端,分别从所述第二和第三腔开口的第一和第二出口, 以允许流体从第一腔室传递到第二腔室而不返回,设置一种装置以防止第一活塞构件和第二活塞构件分离距离g 比一定的预定距离。