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    • 41. 发明授权
    • Cogeneration apparatus
    • 热电联产机
    • US08172157B2
    • 2012-05-08
    • US11662210
    • 2005-08-30
    • Yoshinori NakagawaAkihito KasaiTsutomu Wakitani
    • Yoshinori NakagawaAkihito KasaiTsutomu Wakitani
    • F02G5/04F02G5/00
    • F24D11/005F24H2240/00Y02E20/14Y02P80/15
    • A thermal demand priority type cogeneration system, is made operative for obtaining power output without thermal demand. When the temperature in a hot water tank 17 is low, a heat request is output from a heat request generator 42 and thereby an engine 11 is driven. When the temperature T higher than a predetermined temperature T1, a first water supply instructing unit 44 opens a valve 39 and supplies water to the tank 17 to decrease the water temperature T. When the water temperature goes down, thermal demand is generated, the engine 11 is driven according to the heat request. So as to generate thermal demand, a discharge valve 41 may be opened when the water temperature T is at the predetermined temperature or higher. A second water supply instructing unit 46 opens the valve 39 when reserved water level in the tank 17 goes down. When the valve 39 is opened, water is supplied and the water temperature goes down and thermal demand is generated. At a power failure of a commercial electric power system 14, thermal demand is generated forcibly.
    • 热需求优先型热电联产系统用于获得无需热量的功率输出。 当热水箱17中的温度低时,从热量请求发生器42输出热量请求,从而驱动发动机11。 当温度T高于预定温度T1时,第一供水指令单元44打开阀39并向水箱17供水以降低水温T.当水温下降时,产生热需求,发动机 11根据热量要求进行驱动。 为了产生热需求,当水温T在预定温度或更高温度时,可以打开排出阀41。 第二供水指示单元46在罐17中的预定水位下降时打开阀39。 当阀39打开时,供水并且水温下降并产生热需求。 在商用电力系统14的电源故障时,强制产生热需求。
    • 42. 发明授权
    • Cogeneration system
    • 热电联产系统
    • US07696642B2
    • 2010-04-13
    • US12069818
    • 2008-02-13
    • Tsutomu WakitaniYoshinori Nakagawa
    • Tsutomu WakitaniYoshinori Nakagawa
    • H02J9/00
    • H02J3/38H02J1/10H02J7/34H02J7/35H02J9/04Y02B10/72Y02E20/14Y10T307/62Y10T307/718
    • In a cogeneration system having a generator unit that generates DC power, an internal combustion engine for driving the generator unit, a battery that stores DC power for starting the engine, and an inverter that inverts the DC power generated by the generator unit to AC power, there are provided a solar unit that generates DC power by converting radiant energy of sunlight into electrical energy and a DC/DC converter that boosts the DC power stored in the battery, such that one of the battery and the solar unit is connected to the inverter through the DC/DC converter, thereby enabling them to share the DC/DC converter and thus to make the structure simple.
    • 在具有产生直流电力的发电机单元的热电联供系统中,用于驱动发电机单元的内燃机,存储用于启动发动机的直流电力的电池以及将由发电机组产生的直流电转换为交流电的逆变器 提供了一种太阳能单元,其通过将太阳光的辐射能转化为电能来产生直流电力;以及DC / DC转换器,其提高存储在电池中的直流电力,使得电池和太阳能单元中的一个连接到 逆变器通过DC / DC转换器,从而使它们能够共享DC / DC转换器,从而使结构简单。
    • 44. 发明授权
    • Engine starting device with a starter-generator
    • 发动机起动装置与起动发电机
    • US07105944B2
    • 2006-09-12
    • US10461368
    • 2003-06-16
    • Tsutomu WakitaniToshinori Inagawa
    • Tsutomu WakitaniToshinori Inagawa
    • H02P9/00H02P3/06
    • F02N11/04F02N11/0811F02N11/0848F02N19/005F02N2019/007
    • A starter motor is prevented from being rotated together with an engine after the start of a engine. When motor speed exceeds the cranking speed after the start of the engine, a speed judging section 36 judges that the starter motor is rotated together with the engine. A current-supply stopping section 38 commands to stop energizing a motor 3a in response to the judge. After the electricity supply is stopped, if the rotation speed is reduced to a value close to the cranking speed, judging section 36 outputs a signal to cancel the current-supply stopping commands from the current-supply stopping section 38. The detection of the motor speed is also continued even after the ignition, and if the speed is further increased, the speed detection is stopped. If the speed is increased to a value showing complete explosion, the speed judging section 36 switches the relays to a generator.
    • 起动马达在发动机起动之后被防止与发动机一起旋转。 当发动机起动后电机转速超过起动转速时,速度判定部36判断起动电动机与发动机一起转动。 电流供给停止部38响应于判断,指示停止对电动机3a通电。 在供电停止后,如果转速降低到接近起动转速的值,则判断部36输出从电流供给停止部38取消供电停止指令的信号。 即使在点火之后电机速度的检测也是持续的,如果速度进一步提高,则停止速度检测。 如果速度增加到显示完全爆炸的值,速度判断部分36将继电器切换到发电机。
    • 46. 发明授权
    • Method for starting an electric brushless rotating machine for driving an internal combustion engine
    • 用于启动用于驱动内燃机的电动无刷旋转机的方法
    • US06774590B2
    • 2004-08-10
    • US10282053
    • 2002-10-29
    • Toshinori InagawaYoshihiro IijimaMitsuru NakamuraTsutomu Wakitani
    • Toshinori InagawaYoshihiro IijimaMitsuru NakamuraTsutomu Wakitani
    • H02P622
    • H02P6/20
    • A method of starting an electric brushless rotating machine is provided where a large startup torque is obtained with no use of any rotor position detecting device and the forced commutation can be switched to normal energization easily and smoothly. At the startup stage, any two of three-phase stator windings are energized for initial magnetization (Steps S1 and S2) to hold the magnetic rotor at a position. Then, the windings of the phases are energized in a sequence while gradually increasing the level of the energization (Step S3). During the forced commutation, the magnetic rotor is rotated by a rotating position detecting signal generated from a voltage signal induced on the not-energized windings to drive the output shaft of an engine. Then, the energization is canceled when the number of revolutions in the internal combustion engine determined from the rotating position detecting signal reaches its predetermined level.
    • 提供一种启动电动无刷旋转机的方法,其中在不使用任何转子位置检测装置的情况下获得大的启动转矩,并且强制换向可以容易且平稳地切换到正常通电。 在启动阶段,任意两个三相定子绕组通电用于初始磁化(步骤S1和S2),以将磁转子保持在一个位置。 然后,在逐渐增加通电电平的同时,顺序地使相的绕组通电(步骤S3)。 在强制换向期间,磁转子由从未通电的绕组上感应的电压信号产生的旋转位置检测信号旋转,以驱动发动机的输出轴。 然后,当从旋转位置检测信号确定的内燃机中的转数达到其预定水平时,通电被取消。
    • 48. 发明授权
    • Cogeneration system
    • 热电联产系统
    • US08035239B2
    • 2011-10-11
    • US12321518
    • 2009-01-22
    • Ariko HorieYoshinori NakagawaTsutomu Wakitani
    • Ariko HorieYoshinori NakagawaTsutomu Wakitani
    • B60L1/02
    • F01K13/02Y02E20/14
    • In a cogeneration system having a power plant that includes a generator and an internal combustion engine for driving the generator such that exhaust heat of the engine is supplied to a thermal load, there are provided a battery, a controller that controls operation of the thermal load, a main switch disposed to be operable by an operator, a microprocessor that controls operation of the power plant when the main switch is turned on by the operator, and an external terminal adapted to transmit an activation signal to the controller upon manipulation by the operator when the main switch is kept off. In the system, the microprocessor is operated by power supplied from the battery in response to the activation signal so as to activate the power plant. With this, even when the operator stays at a place away from the main switch, the power plant can be activated to supply power to electrical loads.
    • 在具有包括发电机和发动机的发电厂的发电厂的热电联供系统中,用于驱动发电机使得发动机的排热被供给到热负荷,设置有电池,控制热负荷运行的控制器 设置成由操作员操作的主开关,当操作者接通主开关时控制发电厂的操作的微处理器,以及适于在操作者操作时向控制器发送激活信号的外部端子 当主开关断开时。 在该系统中,微处理器响应激活信号由电池提供的电力进行操作,从而激活电厂。 这样,即使操作人员停留在远离主开关的地方,也可以启动发电厂为电力负载供电。
    • 49. 发明授权
    • Cogeneration system
    • 热电联产系统
    • US07847434B2
    • 2010-12-07
    • US12069746
    • 2008-02-13
    • Tsutomu WakitaniHiroyuki EguchiYoshinori Nakagawa
    • Tsutomu WakitaniHiroyuki EguchiYoshinori Nakagawa
    • H02J7/00
    • H02J9/062Y02E20/14Y10T307/62
    • A cogeneration system comprising a generator connected to an AC power feed line between a power network and an electrical load and an internal combustion engine for driving the generator and for supplying its exhaust heat to a thermal load. The power supply from the generator to the power network is interrupted by turning off a switch installed in the feed line when an outage of the power network is detected. A battery for storing DC power is connected to an inverter circuit to invert the DC power to AC power, such that the inverted AC power of the battery and the output of the generator are supplied to the electrical load, thereby enabling the system to respond to a power network outage and preventing reverse flow of the power output by the cogeneration system into the power network while supplying as much electric power as possible to the electrical load.
    • 一种热电联产系统,包括连接到电力网络和电力负载之间的交流馈电线路的发电机和用于驱动发电机并用于将其排放热量供给热负荷的内燃机。 当检测到电力网络中断时,通过关闭安装在馈线中的开关来中断发电机到电网的电源。 用于存储直流电的电池连接到逆变器电路以将直流电转换成交流电,使得电池的反相AC电力和发电机的输出被提供给电负载,从而使得系统能够响应于 电力网络中断,并且防止热电联产系统输出到电力网络的电力的逆流,同时向电力负载提供尽可能多的电力。