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    • 1. 发明授权
    • Multistage spray drying method for detergent slurry
    • 洗涤剂浆液的多级喷雾干燥方法
    • US4261793A
    • 1981-04-14
    • US735501
    • 1976-10-26
    • Masayoshi NakamuraSeizi AbeTakeshi Arai
    • Masayoshi NakamuraSeizi AbeTakeshi Arai
    • B01J2/04B01D1/18C11D11/02F26B3/12B01D1/16
    • C11D11/02
    • A method is provided for spray drying a detergent slurry in a spray drying chamber having at least two different levels of uniformly spaced atomizing nozzles, which slurry consists of about 50 to 70% by weight of solid constituent comprising 20 to 40% by weight of active ingredient containing an anionic surfactant, 5 to 30% by weight of water-soluble silicate and at most 21% by weight of phosphate builder and about 50 to 30% by weight of water. The lower stage of the two adjoining spraying stages is positioned at a point in the spray drying chamber where the moisture content of the particles sprayed from the upper spraying stage becomes less than about 25% by weight. The lowest spraying stage is positioned at a point in the spray drying chamber which is at a temperature of from higher than the boiling point of the detergent slurry to less than 200.degree. C. From 30 to 70% of the slurry is sprayed from said lowest stage. There can be obtained a granular detergent which is an excellent granular material by this method.
    • 提供了一种用于在具有至少两个不同水平的均匀间隔的雾化喷嘴的喷雾干燥室中喷雾干燥洗涤剂浆料的方法,该浆料由约50至70重量%的固体成分组成,包含20至40重量%的活性 含有阴离子表面活性剂的成分,5至30重量%的水溶性硅酸盐和至多21重量%的磷酸盐助洗剂和约50至30重量%的水。 两个相邻的喷洒阶段的下阶段位于喷雾干燥室中从上喷涂阶段喷射的颗粒的水分含量小于约25重量%的点处。 最低喷涂阶段位于喷雾干燥室中的一个点处,该喷雾干燥室的温度高于洗涤剂浆液的沸点至小于200℃。从所述最低的喷雾干燥室喷射30-70%的浆料 阶段。 通过该方法可以得到粒状洗涤剂,其为优良的粒状物质。
    • 2. 发明申请
    • MOTOR DRIVE CIRCUIT
    • 电机驱动电路
    • US20120161687A1
    • 2012-06-28
    • US13330983
    • 2011-12-20
    • Takeshi AraiAkira Suzuki
    • Takeshi AraiAkira Suzuki
    • G05B5/01
    • H02P25/034H03H17/04
    • A motor-drive circuit includes: a filter circuit to attenuate a frequency band including a resonance frequency of an actuator in a target-current signal, the target-current signal corresponding to a digital signal indicative of a target value of a driving current; a digital-analog converter to convert an output signal of the filter circuit into an analog signal, to be outputted as a current-control signal; and a driving circuit to supply the driving current to the voice-coil motor in accordance with the current-control signal, the filter circuit including: a digital notch filter; and a digital low-pass filter, wherein either one of the digital notch filter and the digital low-pass filter configured to be inputted with the target-current signal, the other one of the digital notch filter and the digital low-pass filter configured to be inputted with an output signal of the one of the digital notch filter or the digital low-pass filter.
    • 电机驱动电路包括:滤波电路,用于衰减包括目标电流信号中的致动器的谐振频率的频带,对应于指示驱动电流的目标值的数字信号的目标电流信号; 数模转换器,将滤波电路的输出信号转换为模拟信号,作为电流控制信号输出; 以及根据电流控制信号向音圈电动机提供驱动电流的驱动电路,该滤波电路包括:数字陷波滤波器; 以及数字低通滤波器,其中数字陷波滤波器和数字低通滤波器中的任一个被配置为输入目标电流信号,另一个数字陷波滤波器和数字低通滤波器被配置 输入数字陷波滤波器或数字低通滤波器之一的输出信号。
    • 9. 发明授权
    • Electrostatic latent image-developing toner containing specified toner
particles and specified external additives
    • 含有特定调色剂颗粒和特定外用添加剂的静电潜像显影调色剂
    • US5976750A
    • 1999-11-02
    • US14001
    • 1998-01-27
    • Masayuki HagiJunichi TamaokiTakeshi AraiHiroyuki Fukuda
    • Masayuki HagiJunichi TamaokiTakeshi AraiHiroyuki Fukuda
    • G03G9/08G03G9/097
    • G03G9/0819G03G9/09708
    • The present invention provides an electrostatic latent developing toner which comprises:toner particles containing a colorant and a binder resin, the toner particles satisfying the following relation:1.45-0.05 D.sub.50 .ltoreq.D.sub.25 /D.sub.75 .ltoreq.1.75-0.05D.sub.50(1)(in which D.sub.25, D.sub.50 and D.sub.75 denote toner particle sizes such that when the toner particles are integrated from the larger particle side, the volume percentages of toner particles of respective particle sizes are 25%, 50%, and 75% based on the total volume of the toner particles), particle size D.sub.50 being within the range of from 3 to 7 .mu.m; orthe toner particles having a volume-mean particle size of 3 to 7 .mu.m and a shape factor SF1 of 100 to 130 as expressed by the following relation (2):SF1={100 .pi..times.(max length).sup.2 }/{4.times.(area)} (2)(in which, "max length" represents mean value of maximum lengths of projected toner particle images, and "area" represents mean value of projected toner particle areas); andan external additive admixed with the toner particles, the external additive containing hydrophobic inorganic fine particles A having a number-mean particle size of 5 to 70 nm, and inorganic fine particles B having a number-mean particle size of 80 to 800 nm with a 20 number % or less content of particles having a particle size of 1000 nm or more.
    • 本发明提供了一种静电潜像显影调色剂,其包括:含有着色剂和粘合剂树脂的调色剂颗粒,满足以下关系的调色剂颗粒:1.45-0.05 D50 D25 / D75