Power unit
    1.
    发明授权
    Power unit 失效
    动力单元

    公开(公告)号:US07612542B2

    公开(公告)日:2009-11-03

    申请号:US11661653

    申请日:2005-08-05

    IPC分类号: G05F1/00

    摘要: This invention realizes control without using a current-detecting element to prevent over current from flowing into a switching element of a switching converter in response to an input primary voltage from a small-capacity DC power source. The switching converter includes an FET 30 that turns the input primary voltage from the DC power source 1 on and off, and a choke coil 31 that is charged or discharged according to turning on/off of this FET 30. A driver 13 drives the FET so that an output voltage detected by an output voltage detector 9 is converged to a target voltage. A means for calculating a current I that flows into the FET 30 based on a duty ratio of the input primary voltage and the FET 30 and the inductance of the choke coil 31. The driver 13 drives the FET 30 at a duty ratio set so as to prevent the estimated current value I from exceeding a permissible current value or stops driving when the estimated current value I is equal to or more than the permissible current value.

    摘要翻译: 本发明实现了控制,而不使用电流检测元件来防止过电流响应于来自小容量DC电源的输入初级电压流入开关转换器的开关元件。 开关转换器包括:FET30,其使来自直流电源1的输入初级电压接通和断开;以及扼流线圈31,其根据该FET 30的导通/截止而被充电或放电。驱动器13驱动FET 使得由输出电压检测器9检测的输出电压被收敛到目标电压。 用于基于输入一次电压和FET 30的占空比以及扼流线圈31的电感来计算流入FET 30的电流I的装置。驱动器13以设定的占空比驱动FET 30, 为了防止估计电流值I超过允许电流值,或者当估计电流值I等于或大于容许电流值时停止驱动。

    Wiping film
    2.
    发明授权
    Wiping film 失效
    擦胶片

    公开(公告)号:US07364789B2

    公开(公告)日:2008-04-29

    申请号:US10451167

    申请日:2001-12-28

    申请人: Hiroyuki Eguchi

    发明人: Hiroyuki Eguchi

    IPC分类号: B32B5/16

    摘要: A wiping film having a flexible film backing, and a wiping layer formed on one surface of the backing, wherein the wiping layer is composed of a binder and plastic particles dispersed therein. The wiping film is useful for removing foreign matter and loose lubricant from the treatment surface of a magnetic disk without generating any scratches or fiber particles thereon.

    摘要翻译: 具有柔性膜背衬的擦拭膜和形成在背衬的一个表面上的擦拭层,其中擦拭层由分散在其中的粘合剂和塑料颗粒构成。 擦拭膜可用于从磁盘的处理表面去除异物和松散的润滑剂,而不会在其上产生任何划痕或纤维颗粒。

    Power Unit
    3.
    发明申请
    Power Unit 失效
    动力单元

    公开(公告)号:US20080068870A1

    公开(公告)日:2008-03-20

    申请号:US11661653

    申请日:2005-08-05

    IPC分类号: H02M5/458

    摘要: This invention realizes control without using a current-detecting element to prevent over current from flowing into a switching element of a switching converter in response to an input primary voltage from a small-capacity DC power source. The switching converter includes an FET 30 that turns the input primary voltage from the DC power source 1 on and off, and a choke coil 31 that is charged or discharged according to turning on/off of this FET 30. A driver 13 drives the FET so that an output voltage detected by an output voltage detector 9 is converged to a target voltage. A means for calculating a current I that flows into the FET 30 based on a duty ratio of the input primary voltage and the FET 30 and the inductance of the choke coil 31. The driver 13 drives the FET 30 at a duty ratio set so as to prevent the estimated current value I from exceeding a permissible current value or stops driving when the estimated current value I is equal to or more than the permissible current value.

    摘要翻译: 本发明实现了控制,而不使用电流检测元件来防止过电流响应于来自小容量DC电源的输入初级电压而流入开关转换器的开关元件。 开关转换器包括:FET30,其使来自直流电源1的输入初级电压接通和断开;以及扼流线圈31,其根据该FET 30的导通/截止而被充电或放电。驱动器13驱动FET 使得由输出电压检测器9检测的输出电压被收敛到目标电压。 用于基于输入一次电压和FET 30的占空比以及扼流线圈31的电感来计算流入FET 30的电流I的装置。驱动器13以设定的占空比驱动FET 30, 为了防止估计电流值I超过允许电流值,或者当估计电流值I等于或大于容许电流值时停止驱动。

    Stepwise zero-data-detection mute circuit
    4.
    发明授权
    Stepwise zero-data-detection mute circuit 失效
    逐步的零数据检测静音电路

    公开(公告)号:US06900752B2

    公开(公告)日:2005-05-31

    申请号:US10619616

    申请日:2003-07-16

    CPC分类号: H03M3/346 H03M3/50

    摘要: A variable resistance device is disclosed, which comprises a first variable resistance circuit and analog switches, a second variable resistance circuit including series-connected first and second resistors, one terminal of the first resistor connected to one terminal of the second resistor and the other terminal connected to one terminal of the first variable resistance circuit, a series-resistor circuit one terminal of which is connected to the other terminal of the second resistor, analog switches connected between the other terminal of the first resistor and nodes of respective resistors of the series-resistor circuit, an analog switch connected between the other terminal of the series-resistor circuit and a node of the first and second resistors, an analog switch connected between a node of the resistors of the series-resistor circuit and the node of the first and second resistors, and a short-circuiting analog switch connected between the first and second variable resistance circuits.

    摘要翻译: 公开了一种可变电阻装置,其包括第一可变电阻电路和模拟开关,第二可变电阻电路,包括串联的第一和第二电阻器,第一电阻器的一个端子连接到第二电阻器的一个端子,另一个端子 连接到第一可变电阻电路的一个端子,串联电阻器电路,其一端连接到第二电阻器的另一端子,连接在第一电阻器的另一端子与串联的各个电阻器的节点之间的模拟开关 电阻电路,连接在串联电阻电路的另一端子与第一和第二电阻器的节点之间的模拟开关,连接在串联电阻电路的电阻器的节点和第一电阻器的节点之间的模拟开关 和第二电阻器,以及连接在第一和第二可变电阻环之间的短路模拟开关 uits。

    Power unit
    5.
    发明授权
    Power unit 有权
    动力单元

    公开(公告)号:US06344988B2

    公开(公告)日:2002-02-05

    申请号:US09771544

    申请日:2001-01-29

    IPC分类号: H02M500

    CPC分类号: H02M5/271

    摘要: A power unit is provided which can perform stable feedback control by reducing a feedback gain, and sufficiently cope with fluctuations in the output voltage occurring according to fluctuations in the input voltage caused by fluctuations in the rotational speed of an engine. A pair of variable control bridge circuits are connected to three-phase output windings of a three-phase generator driven by the engine, and connected in an antiparallel manner to each other to form a cycloconverter for generating a single-phase alternating current to be supplied to a load. A voltage-detecting circuit detects a voltage of the three-phase alternating current. An effective voltage value-calculating circuit calculates an effective value of the voltage of the alternating current. A reference sinusoidal waveform-forming circuit generates a voltage of a reference waveform for controlling the single-phase alternating current. A reference effective voltage value-generating circuit generates a reference effective voltage for controlling the single-phase alternating current. A firing angle control device controls the pair of variable control bridge circuits such that the pair of variable control bridge circuits alternately switch to operate every half a repetition period of the single-phase alternating current, so as to make the effective value of the voltage of the single-phase alternating current closer to a value of the reference effective voltage, and at the same time, make the voltage of the single-phase alternating current closer to the voltage having the reference waveform.

    摘要翻译: 提供一种功率单元,其可以通过减少反馈增益来执行稳定的反馈控制,并且充分地应对根据由发动机的转速的波动引起的输入电压的波动而产生的输出电压的波动。 一对可变控制桥电路连接到由发动机驱动的三相发电机的三相输出绕组,并且以反并联的方式彼此连接,以形成用于产生要供应的单相交流电的循环换流器 到一个负载。 电压检测电路检测三相交流电压。 有效电压值计算电路计算交流电压的有效值。 参考正弦波形成电路产生用于控制单相交流电流的参考波形的电压。 参考有效电压值产生电路产生用于控制单相交流电的参考有效电压。 触发角控制装置控制一对可变控制桥电路,使得该对可变控制电桥电路交替地切换以在单相交流电的每半个重复周期操作,以便使得单相交流电压的有效值为 单相交流电流接近参考有效电压的值,同时使单相交流电压更接近具有参考波形的电压。

    Press working apparatus
    6.
    发明授权
    Press working apparatus 有权
    压机工作机

    公开(公告)号:US09174261B2

    公开(公告)日:2015-11-03

    申请号:US13421225

    申请日:2012-03-15

    IPC分类号: B21D24/04 B21D22/22

    CPC分类号: B21D24/04 B21D22/22

    摘要: A press working apparatus for processing a heated workpiece is provided with a base part which is relatively movable so as to advance and retreat with respect to the workpiece, a pad provided on the base part and configured to hold the workpiece, a working tool provided on the base part to pass through the pad and adapted to process the workpiece, and a support member configured to movably support the working tool in a direction perpendicular to an advance and retreat direction of the base part.

    摘要翻译: 一种用于加工加工工件的冲压加工装置设有基部,该基部可相对于相对于工件前进和后退相对移动;基部,设置在基部上并构造成夹持工件;工作工具, 所述基部穿过所述垫并适于处理所述工件;以及支撑构件,其构造成沿与所述基部的前进和后退方向垂直的方向可移动地支撑所述加工工具。

    Cogeneration system with first and second power plants
    7.
    发明授权
    Cogeneration system with first and second power plants 有权
    热电联产系统与第一和第二发电厂

    公开(公告)号:US08039991B2

    公开(公告)日:2011-10-18

    申请号:US12069924

    申请日:2008-02-12

    IPC分类号: H02J1/00 H02J3/00

    摘要: In a cogeneration system having a first power plant connected to an AC power feed line between a power network and an electrical load and a first internal combustion engine for driving the first power plant such that exhaust heat of the first engine is supplied to a thermal load, power supply from the first power plant to the power network is interrupted by turning off a switch installed in the feed line, when outage of the power network is detected and a second power plant is operated, such that outputs of the first and second power plants are supplied to the electrical load. With this, it becomes possible to respond to a commercial power network outage for preventing reverse flow of the power output by the cogeneration system into the power network and supplying as much electric power as possible to the electrical load.

    摘要翻译: 在具有连接到电力网络和电力负载之间的AC供电线路的第一发电厂和用于驱动第一发电厂的第一内燃机的热电联产系统中,使得第一发动机的排热被供应到热负荷 当检测到电力网络中断并且第二发电厂运行时,通过关闭安装在馈电线路中的开关来中断从第一发电厂到电力网络的电力供应,使得第一和第二电力的输出 工厂供应给电气负载。 由此,可以应对商业电力网络中断,以防止热电联产系统输出到电力网络的功率输出的反向流动,并向电力负载提供尽可能多的电力。

    Cogeneration apparatus
    8.
    发明授权
    Cogeneration apparatus 有权
    热电联产机

    公开(公告)号:US07615878B2

    公开(公告)日:2009-11-10

    申请号:US11575342

    申请日:2005-08-19

    摘要: A cogeneration system that is operated in system connection is disconnected from the system and operated independently at a power failure of the system. A power generator 1 driven by an engine E is connected to a system 9. A water-cooling device 13 recovers exhaust heat of the engine E. When an operating switch 20 is switched, to its independent operation mode for an independent operation apart from the system 9, the upper limit of the target rotation speed Ntgt of an electronic governor 16 is increased over that at system connection operation, thereby the engine speed can be increased, and the maximum output point of the power generator 1 is increased for operation. When a power failure of the system 9 is detected by a power failure detecting unit 21, an operation mode judging unit 19 outputs a judgment result similar to that at the moment when the independent operation mode is instructed and increases the upper limit of the target engine speed Ntgt, and turns off a connection switch 7 to disconnect the system connection.

    摘要翻译: 在系统连接中运行的热电联系系统与系统断开连接并在系统断电时独立运行。 由发动机E驱动的发电机1连接到系统9.水冷装置13回收发动机E的排气热。当操作开关20切换到独立运行模式以独立运行时,除了 系统9中,电子调速器16的目标转速Ntgt的上限超过系统连接动作的上限,能够提高发动机转速,并且增加发电机1的最大输出点。 当由电源故障检测单元21检测到系统9的电源故障时,操作模式判断单元19输出与指示独立操作模式时相同的判断结果,并增加目标引擎的上限 速度Ntgt,并关闭连接开关7以断开系统连接。

    Power supply device
    9.
    发明申请
    Power supply device 审中-公开
    电源设备

    公开(公告)号:US20070029799A1

    公开(公告)日:2007-02-08

    申请号:US10570506

    申请日:2004-07-06

    IPC分类号: H02K7/18 G06F1/00 F02B63/04

    摘要: In a power supply apparatus having an engine operated generator, the operation of the power supply apparatus is improved in the efficiency in a light load region. The generator 1 is driven by the engine. The output of the generator 1 is converted into alternating power of a particular frequency by a rectifier circuit 2 and a converter 4 and is output to a load. A two-way DC-DC converter 5 supplies the power of a battery 6 to the converter 4. When a load current is equal to or less than a predetermined value, the power generated by the battery 6 is supplied to the load, and the power generated by the generator 1 is not used. If the power supply ability of the battery 6 is lowered, the power generated by the generator 1 is supplied to the load, and the battery 6 is charged.

    摘要翻译: 在具有发动机运转的发电机的电力供给装置中,电力供给装置的动作在轻负荷区域的效率上得到提高。 发电机1由发动机驱动。 发电机1的输出由整流电路2和转换器4转换为特定频率的交流功率,并输出到负载。 双向DC-DC转换器5将电池6的电力提供给转换器4.当负载电流等于或小于预定值时,电池6产生的电力被提供给负载,并且 由发电机1产生的电力不被使用。 如果电池6的供电能力降低,则由发电机1产生的电力被供给到负载,电池6被充电。

    Power supply apparatus
    10.
    发明申请
    Power supply apparatus 审中-公开
    电源设备

    公开(公告)号:US20050173985A1

    公开(公告)日:2005-08-11

    申请号:US11046827

    申请日:2005-02-01

    摘要: The power supply apparatus is directed to enable a battery to be properly controlled for charging/discharging. A detection unit 21 detects battery voltage V, battery current I and battery ambient temperature T. A battery capacity calculation device 23 and a discharging rate calculation unit 25 estimate battery capacity and discharging rate respectively. A discharge-allowable-duration calculation unit 26 calculates discharge-allowable-duration. This discharge-allowable-duration is used for restriction the discharge-duration of the battery 6. The battery 6 is charged with the output of the generator. Charging current is restricted in accordance with upper-limit-charging-current that is calculated in an upper-limit-charging-current calculation unit 27.

    摘要翻译: 电源装置被引导以使电池能够被适当地控制用于充电/放电。 检测单元21检测电池电压V,电池电流I和电池环境温度T.电池容量计算装置23和放电率计算单元25分别估计电池容量和放电速率。 放电允许持续时间计算单元26计算放电容许持续时间。 该放电允许持续时间用于限制电池6的放电持续时间。 电池6用发电机的输出充电。 根据在上限充电电流计算单元27中计算的上限充电电流来限制充电电流。