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    • 51. 发明申请
    • Power Device
    • 电源设备
    • US20070223256A1
    • 2007-09-27
    • US11587302
    • 2004-04-21
    • Hitoshi KidokoroMasato MatsubaraAkihiko IwataHiroyasu IwabukiAkihiro Suzuki
    • Hitoshi KidokoroMasato MatsubaraAkihiko IwataHiroyasu IwabukiAkihiro Suzuki
    • H02M5/40
    • H02M7/53871H02M2007/4815Y02B70/1441
    • The present invention provides a power device including a converter part (2) for converting an AC voltage to a DC voltage; an inverter part (3) for converting the DC voltage outputted from the converter part (2) to the AC voltage; and a transformer (4) having an inductance forming a series resonance circuit together with an electrostatic capacity of a load (20) to boost the AC voltage outputted from the inverter part (3). In the power device, an inductance (7) is connected to the output part of the inverter part (3) in parallel with the transformer (4). Thus, in a discharge part 6 provided in the load (20), since when a discharge is not generated, a recovery current is not supplied to a circulating current diode in the inverter part (3), or the quantity of the recovery current is reduced, the heat generation of the circulating current diode can be suppressed without increasing the number of elements of the circulating current diode.
    • 本发明提供了一种功率器件,包括用于将AC电压转换为DC电压的转换器部分(2); 用于将从转换器部分(2)输出的DC电压转换为AC电压的逆变器部分(3); 以及变压器(4),其具有形成串联谐振电路的电感以及负载(20)的静电电容,以升高从逆变器部分(3)输出的交流电压。 在功率器件中,电感(7)与变压器(4)并联连接到逆变器部分(3)的输出部分。 因此,在设置在负载(20)中的放电部6中,由于在不产生放电的情况下,在逆变器部(3)中不向循环电流二极管供给恢复电流,或者恢复电流的量为 减少,可以抑制循环电流二极管的发热,而不增加循环电流二极管的元件数量。
    • 56. 发明申请
    • Gas detection apparatus and method for controlling gas sensor
    • 气体检测装置及气体传感器控制方法
    • US20060113198A1
    • 2006-06-01
    • US11281772
    • 2005-11-17
    • Takashi SasakiHidetoshi OishiTakashi SaitoAkihiro Suzuki
    • Takashi SasakiHidetoshi OishiTakashi SaitoAkihiro Suzuki
    • G01N27/26G01F1/64
    • G01N33/007G01N33/0031
    • A first gas sensing element is provided in a first position to measure a concentration of a gas continuously, and a second sensing element is provided in a second position to measure the concentration of the gas intermittently. The second position is in close proximity to the first position. A deterioration determination unit is connected with the first and second sensing elements to make a determination as to whether the first sensing element becomes deteriorated, by comparing output values from the first and second sensing elements. A power controller is configured to supply the second sensing element with electric power throughout waiting periods during which the second sensing element stops measuring the concentration of the gas, and an amount of the electric power supplied throughout waiting periods is smaller than that supplied throughout operating periods during which the second sensing element continuously measures the concentration of the gas.
    • 第一气体感测元件设置在第一位置以连续地测量气体的浓度,并且第二感测元件设置在第二位置以间歇地测量气体的浓度。 第二个位置靠近第一个位置。 劣化判定单元通过比较来自第一和第二感测元件的输出值,与第一和第二感测元件连接以确定第一感测元件是否变差。 功率控制器被配置为在第二感测元件停止测量气体浓度的整个等待时段期间向第二感测元件提供电力,并且在整个等待时段期间提供的电力的量小于在整个操作周期中提供的电力量 在此期间第二感测元件连续地测量气体的浓度。
    • 59. 发明申请
    • Heater-contained gas sensor operation starting method and operation stopping method, and operating method
    • 加热器气体传感器操作启动方法和操作停止方法及操作方法
    • US20060042965A1
    • 2006-03-02
    • US10514158
    • 2003-05-12
    • Takashi SasakiHiroyuki AbeTsuyoshi EguchiAkihiro Suzuki
    • Takashi SasakiHiroyuki AbeTsuyoshi EguchiAkihiro Suzuki
    • G01N27/26
    • G01N27/16G01N33/005G01N33/006
    • A control apparatus for a gas sensor with a built-in heater is provided which can prevent damage to, deterioration of, and reduction in accuracy of detection of, a gas sensor. When an ignition switch is turned ON, supply of electricity to a heater 27 starts, and when the temperature in the vicinity of a gas sensor 15 (gas temperature of gas detection chamber 24) Ts becomes greater than a predetermined temperature #Ti at start, or when a predetermined electricity supply time after start of supply of electricity to the heater 27 has elapsed, the gas sensor 15 is started. The flow of off-gas is started simultaneously with starting of the gas sensor 15, or after starting. When the ignition switch is turned OFF, the flow of off gas is stopped, and the supply of electric power to the gas sensor 15 is stopped. In a state where a temperature difference ΔT between the gas temperature Ts inside the gas detection chamber 24, and an upstream gas temperature Tg is maintained within a predetermined range, the supply of electricity to the heater 27 is stopped after a predetermined time has elapsed after operation of the gas sensor 15 is stopped.
    • 提供一种用于具有内置加热器的气体传感器的控制装置,其可以防止气体传感器的损坏,劣化和检测精度的降低。 当点火开关接通时,开始向加热器27供电,并且当气体传感器15附近的温度(气体检测室24的气体温度)Ts变得大于开始时的预定温度#Ti时, 或者当开始向加热器27供电之后的预定供电时间过去时,气体传感器15启动。 废气的流动与气体传感器15的启动同时开始,或起动后开始。 当点火开关关闭时,停止气体的流动,并且停止向气体传感器15供应电力。 在气体检测室24内的气体温度Ts与上游气体温度Tg之间的温度差DeltaT保持在规定范围内的状态下,在经过规定时间后停止对加热器27的供电, 气体传感器15的动作停止。
    • 60. 发明申请
    • Position detecting device
    • 位置检测装置
    • US20050213111A1
    • 2005-09-29
    • US11089342
    • 2005-03-25
    • Akihiro SuzukiTadayoshi Cho
    • Akihiro SuzukiTadayoshi Cho
    • G01B7/30G01D5/245G01B11/14
    • G01D5/2454G01D5/165G01D5/24452G01D5/2449
    • A position detecting device in which a count value is incremented or decremented on the basis of a pulse output from an encoder every predetermined shift amount of a control target to thereby detect a current value representing a current position of the control target as the count value, is characterized by comprising: initialization signal output means for outputting an initialization signal representing an initialization position at plural positions of a movable range of the control target when the movable range of the control target is restricted, or at plural positions of an operating range of integer times of a period when the movable range of the control target is not restricted and the same state is repeated at the period concerned; current value storing means for storing, in association with identification information for identifying each initialization signal, the current value of the control target at each position where the initialization signal is output by each initialization signal output means; and count value setting means for moving the control target to a position where some initialization signal is output from the initialization signal output means at the initialization time of the count value, and achieving the current value corresponding to identification information for identifying the initialization signal from the current value storage means, and setting the current value thus achieved as the count value.
    • 一种位置检测装置,其中基于从编码器输出的每个预定的移动量的控制目标的脉冲来计数值递增或递减,从而检测表示控制目标的当前位置的当前值作为计数值, 其特征在于包括:初始化信号输出装置,用于当控制目标的可移动范围被限制时,或者在整数的操作范围的多个位置处输出表示控制目标的可移动范围的多个位置的初始化位置的初始化信号 控制目标的可动范围不受限制的时间段和在相关时段重复相同的状态; 电流值存储装置,用于与用于识别每个初始化信号的识别信息相关联地存储由每个初始化信号输出装置输出初始化信号的每个位置处的控制目标的当前值; 以及计数值设定单元,用于在所述计数值的初始化时间将所述控制目标移动到从所述初始化信号输出单元输出了一些初始化信号的位置,并且从所述计数值设定单元获得与从所述计数值识别初始化信号中识别信息的识别信息对应的当前值 电流值存储装置,并将由此获得的当前值设置为计数值。