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    • 83. 发明授权
    • Exhaust emission control system for internal combustion engine
    • 内燃机废气排放控制系统
    • US06835357B2
    • 2004-12-28
    • US09828901
    • 2001-04-10
    • Akira HashimotoKotaro Miyashita
    • Akira HashimotoKotaro Miyashita
    • B01D5000
    • F01N11/007F01N2550/03F02D41/1456F02D41/1495Y02T10/47
    • An exhaust emission control system for an internal combustion engine having nitrogen oxides removing device provided in an exhaust system of the engine for removing nitrogen oxides in exhaust gases and an oxygen concentration sensor provided downstream of the nitrogen oxides removing device for detecting the concentration of oxygen in the exhaust gases. Deterioration of the nitrogen oxides removing device is determined on the basis of an output of the oxygen concentration sensor after the air-fuel ratio has been changed from the lean region to a rich region with respect to the stoichiometric ratio. Abnormality of the oxygen concentration sensor is determined on the basis of an output of the oxygen concentration sensor during a period in which the air-fuel ratio is kept in the rich region with respect to the stoichiometric ratio immediately after execution of the deterioration determination of the nitrogen oxides removing device.
    • 一种用于内燃机的废气排放控制系统,其具有设置在用于除去废气中的氮氧化物的发动机的排气系统中的氮氧化物除去装置,以及设置在氮氧化物除去装置的下游的氧浓度传感器,用于检测氧浓度 废气。 氮氧化物除去装置的劣化是根据空燃比从稀薄区域向化学计量比变化为浓区域之后的氧浓度传感器的输出而求出的。 基于氧浓度传感器的输出,在空气 - 燃料比保持在富区域的时间段内,相对于执行劣化判定之后的化学计量比来确定氧浓度传感器的异常 氮氧化物去除装置。
    • 84. 发明授权
    • Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like
    • 用于制造复印机等的感光鼓用镜面管的方法
    • US06783439B1
    • 2004-08-31
    • US09417656
    • 1999-10-14
    • Kazuo AkagiAkira HashimotoYoshimitu Nakashima
    • Kazuo AkagiAkira HashimotoYoshimitu Nakashima
    • B24B100
    • B24B5/22B24B1/002B24B39/045G03G5/00G03G5/005G03G5/04G03G5/10G03G5/102G03G15/751Y10S451/901Y10T29/49544
    • A method for manufacturing a mirror surface tube for a photosensitive drum of a copying machine or the like, by which an external surface of an aluminium or aluminium alloy tube can be mirror-processed with high accuracy without surface defects, and in such a way that good quality required for a photosensitive drum is ensured and dimension accuracy, such as roundness, and production yield is improved involves a first step in which an aluminium or aluminium alloy tube, finished in a predetermined shape and dimension with surface roughness of 10 microns or less, is processed by a centerless grinding process. Then, in a second step, a grinding process is performed using an electrolytic integrated polishing apparatus including a tool electrode mechanism having an elastic grindstone so as to make a mirror surface tube having the surface roughness of 2.0 microns or less. Further, preferably, in a third stage, a roller burnishing process is performed to finish the tube to a surface roughness of 0.5 microns or less.
    • 一种用于制造复印机等的感光鼓的镜面管的方法,通过该方法可以高精度地对铝或铝合金管的外表面进行镜面处理而没有表面缺陷,并且以这样的方式 确保感光鼓所需的良好质量,并且改善诸如圆度和生产率的尺寸精度包括第一步骤,其中以预定形状和尺寸精加工的表面粗糙度为10微米或更小的铝或铝合金管 ,通过无心磨削加工。 然后,在第二工序中,使用包括具有弹性磨石的工具电极机构的电解集成研磨装置进行研磨处理,以使得表面粗糙度为2.0微米以下的镜面管。 此外,优选地,在第三阶段中,进行辊抛光处理以使管完成0.5微米或更小的表面粗糙度。
    • 88. 发明授权
    • Dry toner, dry toner production process, and image forming method
    • 干粉,干粉生产工艺和成像方法
    • US06635398B1
    • 2003-10-21
    • US09695079
    • 2000-10-25
    • Keiji KomotoTsutomu KukimotoTatsuhiko ChibaAkira Hashimoto
    • Keiji KomotoTsutomu KukimotoTatsuhiko ChibaAkira Hashimoto
    • G03G9087
    • G03G9/0821G03G9/0827G03G9/08737
    • A dry toner has toner particles containing at least a binder resin, a colorant and a wax component and an external additive. The binder resin contains a component derived from a monomer selected from butadiene, isoprene and chloroprene. The toner has a main Tg from 40° C. to 70° C. When specific surface area measured by the BET method in an environment of 23° C. atmospheric temperature and 65% relative humidity is represented by A (m2/g) and specific surface area measured by the BET method in an environment of 50° C. atmospheric temperature and 3% relative humidity is represented by B (m2/g), the toner satisfies the following relationship: 0.8≦A≦4.0, 0.80≦(B/A)≦1.05. The toner has a circle-corresponding number-average particle diameter D1 from 2 to 10 &mgr;m, an average circularity from 0.950 to 0.995 and a circularity standard deviation less than 0.040. The toner has a main-peak molecular weight from 2,000 to 100,000 and contains a THF-insoluble matter from 5 to 60% by weight.
    • 干燥调色剂具有至少含有粘合剂树脂,着色剂和蜡组分的调色剂颗粒和外部添加剂。 粘合剂树脂含有源自选自丁二烯,异戊二烯和氯丁二烯的单体的成分。 调色剂的主要Tg为40℃至70℃。当在23℃环境温度和65%相对湿度的环境中通过BET法测得的比表面积由A(m 2 / g)和通过BET法在50℃环境温度和3%相对湿度的环境中测量的比表面积由B(m 2 / g)表示,调色剂满足以下关系:0.8 <= A <= 4.0,0.80 <=(B / A)<= 1.05。 调色剂具有2至10μm的圆对应的数均粒径D1,0.950至0.995的平均圆形度和小于0.040的圆形度标准偏差。 调色剂的主峰分子量为2,000〜100,000,含有5〜60重量%的THF不溶物。
    • 89. 发明授权
    • Exhaust emission control system for internal combustion engine
    • 内燃机废气排放控制系统
    • US06629408B1
    • 2003-10-07
    • US09685571
    • 2000-10-11
    • Akira MurakamiMistuo HashizumeKotaro MiyashitaToshikatsu TakanohashiYuichiro TanabeAkira Hashimoto
    • Akira MurakamiMistuo HashizumeKotaro MiyashitaToshikatsu TakanohashiYuichiro TanabeAkira Hashimoto
    • F01N300
    • F01N3/0842F01N11/007F01N2550/03F01N2570/04F01N2900/0422F02D41/028Y02T10/47
    • An exhaust emission control system for an internal combustion engine, having a nitrogen oxide removing device provided in an exhaust system of the internal combustion engine for absorbing nitrogen oxides contained in exhaust gases in an exhaust lean condition. The exhaust emission control system includes first and second oxygen concentration sensors respectively provided upstream and downstream of the nitrogen oxide removing device for detecting an oxygen concentration in the exhaust gases. The air-fuel ratio of an air-fuel mixture to be supplied to the engine is changed from a lean region to a rich region with respect to a stoichiometric ratio. An amount of reducing components flowing into the nitrogen oxide removing device from the time when an output value from the first oxygen concentration sensor has changed to a value indicative of a rich air-fuel ratio after enrichment of the air-fuel ratio is calculated. Deterioration of the nitrogen oxide removing device is determined according to the calculated amount of reducing components and an output value from the second oxygen concentration sensor.
    • 一种用于内燃机的排气排放控制系统,其具有设置在内燃机的排气系统中的氮氧化物去除装置,用于吸收排气贫化状态下的废气中所含的氮氧化物。 废气排放控制系统包括分别设置在氮氧化物去除装置的上游和下游的用于检测废气中的氧浓度的第一和第二氧浓度传感器。 供给到发动机的空气燃料混合物的空燃比相对于化学计量比从贫区变为浓区。 计算从第一氧浓度传感器的输出值变为表示浓缩空燃比后的浓空燃比的值时流入氮氧化物除去装置的还原成分的量。 根据计算出的还原成分量和来自第二氧浓度传感器的输出值,确定氮氧化物除去装置的劣化。