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    • 4. 发明申请
    • ELECTRIC DISCHARGE MACHINING APPARATUS
    • 电动放料加工设备
    • US20150283634A1
    • 2015-10-08
    • US14437072
    • 2012-10-31
    • Ieyoung KimTakashi HashimotoTomoaki TakadaTakayuki NakagawaYuto Sasaki
    • Ieyoung KimTakashi HashimotoTomoaki TakadaTakayuki NakagawaYuto Sasaki
    • B23H1/02
    • B23H1/024B23H1/02B23H2300/20
    • An electric discharge machining apparatus includes a power supply, an electrode gap formed from an electrode and a workpiece, a current limiting resistor connected between the power supply and the electrode gap, switching elements that turns on and off application of a voltage from the power supply to the electrode gap, an inductance element connected in series between the switching elements and the electrode gap, and a control unit that controls the switching elements. The control unit causes the switching elements to perform ON/OFF operations according to a switching pattern having an on-pulse time width (ΔTon) in which a voltage of the electrode gap can reach a voltage value of the power supply in an on-pulse time and a pause time width (ΔToff) equal to or longer than a time width (Δtic) of a discharge current flowing during the capacitor discharge and shorter than a cycle (ΔTso) of the self-excited oscillation.
    • 一种放电加工装置,包括电源,由电极和工件形成的电极间隙,连接在电源和电极间隙之间的限流电阻,使来自电源的电压接通和断开的开关元件 电连接到电极间隙,电感元件串联连接在开关元件和电极间隙之间,控制单元控制开关元件。 控制单元使开关元件根据具有导通脉冲时间宽度(&Dgr; Ton)的开关模式进行ON / OFF操作,其中电极间隙的电压可以在导通时达到电源的电压值 脉冲时间和暂停时间宽度(&Dgr; Toff)等于或长于在电容器放电期间流动的放电电流的时间宽度(&Dgr; tic),并且短于自激的周期(&Dgr; Tso) 振荡。
    • 6. 发明授权
    • Fluidized-bed denitrating method
    • 流化床脱硝方法
    • US5750084A
    • 1998-05-12
    • US570959
    • 1995-12-12
    • Kazuo TsutsumiTomoaki TakadaYasufumi SakakidaTarou Kawamura
    • Kazuo TsutsumiTomoaki TakadaYasufumi SakakidaTarou Kawamura
    • B01D46/00B01D53/56B01D53/83B01D53/86B01D53/94B01J8/38B01J20/06F02B3/06C01B21/02
    • B01D53/83B01D53/565F02B3/06
    • A fluidized-bed denitrating method and a fluidized-bed denitrating device are disclosed which are capable, of effectively denitrating a combustion exhaust gas by oxidizing nitrogen monoxide occupying the major portion of NO.sub.x contained in the combustion exhaust gas to nitrogen dioxide which can be reduced at high reduction reaction rate by the oxygen contained in the combustion exhaust gas, and by reducing the nitrogen dioxide by fine carbon particles adhered to fine particles of a fluid medium. A combustion exhaust gas containing at least nitrogen monoxide and oxygen is introduced into a fluidized bed of a fluid medium consisting of fine particles with fine carbon particles adhered thereto. The fine particles of the fluid medium adsorb the nitrogen monoxide, the nitrogen monoxide is oxidized on the surfaces of the fine particles of the fluid medium to nitrogen dioxide, and the nitrogen dioxide is then decomposed into carbon dioxide and nitrogen by the reducing function of the fine carbon particles. The particle sizes of the fine particles of the fluid medium are in the range of 30 to 500 .mu.m, and the particle sizes of the fine carbon particles are 3 .mu.m or below.
    • 公开了一种流化床脱硝方法和流化床脱硝装置,其能够通过将占据燃烧废气中所含的NOx的主要部分氧化的一氧化氮氧化成二氧化氮来有效地对燃烧废气进行脱硝,二氧化氮可以在 通过燃烧废气中所含的氧的高还原反应速率,以及通过附着在流体介质的细颗粒上的细小碳颗粒来还原二氧化氮。 将含有至少一氧化氮和氧气的燃烧废气引入流体介质的流化床中,所述流化床由粘附有细小碳颗粒的细颗粒组成。 流体介质的细颗粒吸附一氧化氮,一氧化氮在流体介质的细颗粒表面被氧化成二氧化氮,然后二氧化氮通过还原功能被分解成二氧化碳和氮气 细碳颗粒。 流体介质的微粒的粒径在30〜500μm的范围内,细碳粒子的粒径为3μm以下。
    • 7. 发明授权
    • Electric discharge machining apparatus
    • 放电加工机
    • US09533365B2
    • 2017-01-03
    • US14437072
    • 2012-10-31
    • Ieyoung KimTakashi HashimotoTomoaki TakadaTakayuki NakagawaYuto Sasaki
    • Ieyoung KimTakashi HashimotoTomoaki TakadaTakayuki NakagawaYuto Sasaki
    • B23H1/02
    • B23H1/024B23H1/02B23H2300/20
    • An electric discharge machining apparatus includes a power supply, an electrode gap formed from an electrode and a workpiece, a current limiting resistor connected between the power supply and the electrode gap, switching elements that turns on and off application of a voltage from the power supply to the electrode gap, an inductance element connected in series between the switching elements and the electrode gap, and a control unit that controls the switching elements. The control unit causes the switching elements to perform ON/OFF operations according to a switching pattern having an on-pulse time width (ΔTon) in which a voltage of the electrode gap can reach a voltage value of the power supply in an on-pulse time and a pause time width (ΔToff) equal to or longer than a time width (Δtic) of a discharge current flowing during the capacitor discharge and shorter than a cycle (ΔTso) of the self-excited oscillation.
    • 一种放电加工装置,包括电源,由电极和工件形成的电极间隙,连接在电源和电极间隙之间的限流电阻,使来自电源的电压接通和断开的开关元件 电连接到电极间隙,电感元件串联连接在开关元件和电极间隙之间,控制单元控制开关元件。 控制单元使开关元件根据具有导通脉冲时间宽度(ΔTon)的开关模式进行ON / OFF操作,其中电极间隙的电压可以在导通脉冲中达到电源的电压值 时间和等于或长于在电容器放电期间流动的放电电流的时间宽度(Δtic)的暂停时间宽度(ΔToff),并且短于自激振荡的周期(ΔTso)。