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    • 2. 发明授权
    • Catalyst unit and gas purifying apparatus
    • 催化剂单元和气体净化装置
    • US5792432A
    • 1998-08-11
    • US648139
    • 1996-05-12
    • Yasuyoshi KatoTomihisa IshikawaYoshinori NagaiIsato MoritaMasato MukaiAkihiro YamadaTakashi MichimotoMasaharu MoriiHiroshi Kuroda
    • Yasuyoshi KatoTomihisa IshikawaYoshinori NagaiIsato MoritaMasato MukaiAkihiro YamadaTakashi MichimotoMasaharu MoriiHiroshi Kuroda
    • B01D53/34B01D53/38B01D53/86B01J35/02B01J35/04F01N3/28B01D50/00
    • F01N3/2821B01D53/8631B01J35/02B01J35/04F01N3/2814F01N2330/42
    • A catalyst unit is constructed by alternately stacking rectangular catalyst elements (1) formed by cutting catalyst support plates coated with a catalytic material and having ribs (2) inclined at 45.degree. to one specified side edge (1a) of each thereof, and those turned upside down in a case, and the catalyst unit is disposed in a gas passage with the ribs (2) of the catalyst elements (1) inclined at an angle greater than 0.degree. and smaller than 90.degree. to the direction of the gas flow (6). When the catalyst unit comprising the catalyst elements (1) coated with a denitrating catalyst is placed in the gas passage, the ribs (2) of the catalyst elements (1) blocks the gas flow (6) and generate turbulent currents on the downstream side thereof to promote the contact of ammonia and NOx contained in the exhaust gas with the catalyst. When the gas flow (6) is disturbed, the thickness of laminar films covering the surface of the catalyst elements (1) is reduced, so that ammonia and NOx can be easily diffused and the catalytic activity can be enhanced. The catalyst elements exhibits their catalytic abilities effectively without entailing significant pressure loss in the gas flow.
    • PCT No.PCT / JP95 / 02323 Sec。 371日期:1996年5月21日 102(e)日期1996年5月21日PCT提交1995年5月14日PCT公布。 公开号WO96 / 14920 PCT 日期1996年5月23日催化剂单元通过交替堆叠通过切割涂覆有催化材料的催化剂载体板形成的矩形催化剂元件(1),并且具有倾斜45°的肋(2)至其每一个的特定侧边缘(1a) ,并且在一种情况下翻转的那些,催化剂单元设置在气体通道中,其中催化剂元件(1)的肋(2)以大于0°并且小于90°的角度倾斜 气流(6)。 当包含涂有脱硝催化剂的催化剂元件(1)的催化剂单元被放置在气体通道中时,催化剂元件(1)的肋(2)阻挡气流(6)并在下游侧产生湍流 以促进废气中所含的氨和NOx与催化剂的接触。 当气流(6)被扰乱时,覆盖催化剂元件(1)表面的层状膜的厚度减小,使得氨和NOx容易扩散并且可以提高催化活性。 催化剂元素显示出其催化能力,而不会在气流中产生明显的压力损失。
    • 3. 发明授权
    • Semiconductor output circuit, external output signal generation method, and semiconductor device
    • 半导体输出电路,外部输出信号产生方法和半导体器件
    • US08164360B2
    • 2012-04-24
    • US12042780
    • 2008-03-05
    • Masaharu Morii
    • Masaharu Morii
    • H03K19/094
    • H03K19/0185H03K19/0005
    • A semiconductor output circuit, an external output signal generation method and a semiconductor device that suppress variation in an external output signal caused by a decrease in power supply voltage. An output section changes electric potential of an external output signal EB according to a change in electric potential of an internal input signal A from ground to VDD or from VDD to the ground. A differential section outputs an output signal corresponding to the external output signal EB and a predetermined reference signal VREF. The differential section functions as a voltage follower so that the electric potential of the external output signal EB will correspond to the predetermined reference signal VREF. As a result, variation in output voltage VOL at a low voltage side of the external output signal EB is suppressed.
    • 半导体输出电路,外部输出信号生成方法以及抑制由电源电压降低引起的外部输出信号的变动的半导体装置。 输出部分根据内部输入信号A的电位从地电位变化到VDD或者从VDD改变到地,来改变外部输出信号EB的电位。 差分部分输出对应于外部输出信号EB和预定参考信号VREF的输出信号。 差分部分起电压跟随器的作用,外部输出信号EB的电位将对应于预定参考信号VREF。 结果,抑制了外部输出信号EB的低电压侧的输出电压VOL的变化。