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    • 1. 发明申请
    • Exhaust Emission Control Device of Internal Combustion Engine
    • 内燃机尾气排放控制装置
    • US20070271918A1
    • 2007-11-29
    • US11547057
    • 2005-04-01
    • Toshihiko NishiyamaHiroki Sato
    • Toshihiko NishiyamaHiroki Sato
    • F01N3/08
    • F02D23/00B01D53/9431B01D2251/2067F01N3/2066F01N2610/02F02B29/0425F02B37/24F02D41/0007F02M25/14F02M26/05F02M26/23Y02T10/121Y02T10/144Y02T10/24
    • To provide an exhaust emission control device of an internal combustion engine able to well atomize a reducing agent and ensure supply of combustion air. Since a controller of the exhaust emission control device also controls a nozzle opening degree of a variable geometry turbocharger for purpose of spraying a urea water, even in the state where the engine works in a low load range of T1 to T2 where supercharging pressure normally can not be increased, supercharging pressure P suitable to atomization of the urea water can be obtained by controlling the nozzle opening degree of the variable geometry turbocharger to be closer to a closing side compared to the conventional art (shown by the chain double-dashed line), while the urea water can be securely atomized by a part of the supercharged air. Further, by increasing the supercharging pressure up to the value P, combustion air supplied to the engine is increased, therefore favorable combustion can be realized, and generation of particulates and exhaust of unburned fuel can be reduced.
    • 提供能够充分雾化还原剂并确保供给燃烧空气的内燃机的废气排放控制装置。 由于废气排放控制装置的控制器也控制用于喷射尿素水的可变几何涡轮增压器的喷嘴开度,即使在发动机在T 1至T 2的低负载范围内工作的状态下,其中增压压力 通常不能增加,与现有技术相比,通过控制可变几何涡轮增压器的喷嘴开度更接近关闭侧,可以获得适合于尿素水雾化的增压压力P. 线),而尿素水可以被一部分增压空气牢固地雾化。 此外,通过将增压压力提高到P值,供给到发动机的燃烧空气增加,因此能够实现良好的燃烧,能够降低未燃燃料的微粒和废气的产生。
    • 2. 发明授权
    • Exhaust emission control device of internal combustion engine
    • 内燃机废气排放控制装置
    • US07765793B2
    • 2010-08-03
    • US11547057
    • 2005-04-01
    • Toshihiko NishiyamaHiroki Sato
    • Toshihiko NishiyamaHiroki Sato
    • F01N5/04
    • F02D23/00B01D53/9431B01D2251/2067F01N3/2066F01N2610/02F02B29/0425F02B37/24F02D41/0007F02M25/14F02M26/05F02M26/23Y02T10/121Y02T10/144Y02T10/24
    • To provide an exhaust emission control device of an internal combustion engine able to well atomize a reducing agent and ensure supply of combustion air. Since a controller of the exhaust emission control device also controls a nozzle opening degree of a variable geometry turbocharger for purpose of spraying a urea water, even in the state where the engine works in a low load range of T1 to T2 where supercharging pressure normally can not be increased, supercharging pressure P suitable to atomization of the urea water can be obtained by controlling the nozzle opening degree of the variable geometry turbocharger to be closer to a closing side compared to the conventional art (shown by the chain double-dashed line), while the urea water can be securely atomized by a part of the supercharged air. Further, by increasing the supercharging pressure up to the value P, combustion air supplied to the engine is increased, therefore favorable combustion can be realized, and generation of particulates and exhaust of unburned fuel can be reduced.
    • 提供能够充分雾化还原剂并确保供给燃烧空气的内燃机的废气排放控制装置。 由于废气排放控制装置的控制器也控制用于喷射尿素水的可变几何涡轮增压器的喷嘴开度,即使在发动机在T1至T2的低负载范围内工作的状态下,其中增压压力通常可以 通过将可变几何形状的涡轮增压器的喷嘴开度控制为比传统技术(由双点划线所示)更靠近闭合侧,可以获得适合于尿素水雾化的增压压力P, 而尿素水可被一部分增压空气牢固地雾化。 此外,通过将增压压力提高到P值,供给到发动机的燃烧空气增加,因此能够实现良好的燃烧,能够降低未燃燃料的微粒和废气的产生。
    • 3. 发明授权
    • Solid-state image pickup device and signal processing method therefor
    • 固态摄像装置及其信号处理方法
    • US09041827B2
    • 2015-05-26
    • US11655201
    • 2007-01-19
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • Hiroki SatoKeiji MabuchiNobuo NakamuraTetsuya Iizuka
    • H04N5/228H04N5/335H04N3/14
    • H04N5/335
    • The invention makes it possible to perform effective A/D conversion on pixel signals read from a pixel array part, to achieve a reduction in power consumption and reductions in the size and the price of an image pickup device as well as simplification of the construction of the device, and to realize a high-quality image output. The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ΔΣ modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.
    • 本发明使得可以对从像素阵列部分读取的像素信号进行有效的A / D转换,以实现图像拾取装置的功耗的降低和尺寸和价格的降低以及简化的 该设备,并实现高质量的图像输出。 该装置包括具有多个单位像素的像素阵列部分,CDS(相关双采样)电路和A / D转换器。 经由信号线从像素阵列部分读取的像素信号在CDS电路中进行CDS处理(噪声消除处理),然后将该像素信号输入到对像素进行A / D转换的A / D转换器 信号。 A / D转换器包括&Dgr& 调制器和数字滤波器,以执行高精度的A / D转换。 本发明也可以应用于在CDS电路的前级设置A / D转换器的结构。