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    • 1. 发明专利
    • Liquefaction system
    • 液化系统
    • JP2012219711A
    • 2012-11-12
    • JP2011085979
    • 2011-04-08
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • ISHIMARU EIJIKOMIYA TOSHIHIROMORI YOSHINOBUYAMASHITA SEIJIKARIYA DAISUKE
    • F01D25/16F16C32/06
    • F25J1/02F01D15/005F25J1/001F25J1/004F25J1/005F25J1/0052F25J1/0067F25J1/0204F25J1/0208F25J1/0221F25J1/0244F25J1/025F25J1/0257F25J2210/06F25J2210/42F25J2230/30F25J2240/02F25J2245/02F25J2270/16
    • PROBLEM TO BE SOLVED: To make it possible, when the rotary shaft of a swelling turbine is supported by a static pressure gas bearing, to stably supply a gas of pressure necessary for supporting the rotary shaft to the bearing without providing a dedicated compressor to a line which supplies the gas to the bearing.SOLUTION: A liquefaction system 100 includes: a feed line 3 which feeds a liquefaction raw material gas from a liquefaction raw material supply source 1 so that the pressure of a liquefaction raw material gas is maintained at a predetermined pressure P0 or above at the predetermined parts 3b and 3c; a refrigerant circulation line 5 for circulating a refrigerant; a static pressure gas bearing GB which rotatably bears the rotary shafts of the swelling turbines 14H and 14L when the gas of a predetermined pressure P0 or above is supplied; and a bearing supply line 7 which connect the predetermined parts 3b and 3c of the feed line 3 to the gas import 49 of the static pressure gas bearing GB so that the gas is supplied to the static pressure gas bearing GB.
    • 要解决的问题:为了使膨胀涡轮机的旋转轴由静压气体轴承支撑,可以稳定地将支撑旋转轴所需的压力的气体提供给轴承,而不需要提供专用的 压缩机到将轴承供应气体的管线。 液化系统100包括:供给管线3,其从液化原料供给源1供给液化原料气体,使液化原料气体的压力维持在规定压力P0以上, 预定部分3b和3c; 用于循环制冷剂的制冷剂循环管线5; 当提供预定压力P0或更高的气体时,静压气体轴承GB可旋转地支撑膨胀涡轮机14H和14L的旋转轴; 以及将进料管线3的预定部分3b和3c连接到静压气体轴承GB的气体进口49以便将气体供应到静压气体轴承GB的轴承供应管线7。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • System and method for determining engine misfire
    • 用于确定发动机缺陷的系统和方法
    • JP2010209892A
    • 2010-09-24
    • JP2009060090
    • 2009-03-12
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • MURAKAMI SHOJIMORI YOSHINOBUHASHIMOTO MASARUMORITA SATOSHISUGIMOTO TOMOHIKOIMAMURA TSUKASA
    • F02D45/00F02D29/06
    • F02D19/024F02B19/1071F02B19/12F02M21/0284Y02T10/125Y02T10/32
    • PROBLEM TO BE SOLVED: To accurately determine the occurrence of misfire in an engine for power generation.
      SOLUTION: The system 1 for determining misfire of a gas engine 2 for driving a generator 30 includes a cylinder pressure sensor 25 capable of detecting cylinder pressure which is the internal pressure of a cylinder 3 of the gas engine 2, and a misfire determination device 24 for determining misfire of the cylinder 3 by comparing a difference ΔP (=P2-P1) between a first cylinder pressure P1 detected by the cylinder sensor 25 when the cylinder 3 is in a compression stroke and a second cylinder pressure P2 detected by the cylinder pressure sensor 25 when the cylinder 3 is in an explosion stroke, with a threshold value α. The misfire determination device 24 changes the threshold value α according to the first cylinder pressure P1 (a value having correlation with load) detected by the cylinder pressure sensor 25.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:准确地确定用于发电的发动机中的失火的发生。 解决方案:用于确定用于驱动发电机30的燃气发动机2的失火的系统1包括能够检测作为气体发动机2的气缸3的内部压力的气缸压力和失火的气缸压力传感器25 确定装置24,用于通过比较当气缸3处于压缩行程时由气缸传感器25检测到的第一气缸压力P1和由气缸传感器25检测到的第二气缸压力P2之间的差ΔP(= P2-P1) 气缸3处于爆炸冲程时的气缸压力传感器25,具有阈值α。 失火判定装置24根据由气缸压力传感器25检测出的第一气缸压力P1(与负载相关的值)来改变阈值α。(C)2010,JPO&INPIT
    • 3. 发明专利
    • Air-fuel ratio control device, vehicle equipped therewith and air-fuel ratio control method
    • 空气燃料比率控制装置,装备的车辆和空气燃料比率控制方法
    • JP2009057912A
    • 2009-03-19
    • JP2007226543
    • 2007-08-31
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • MORI YOSHINOBUSAKAMOTO TAKUYAASHIKAGA MITSUGIIKEDA TAKESHIABE TAKATSUGU
    • F02D41/04F02D45/00
    • PROBLEM TO BE SOLVED: To provide an air-fuel ratio control device for correcting an air-fuel ratio in a cylinder to facilitate proper combustion in the cylinder without adding an air-fuel ratio sensor for detecting an air-fuel ratio in the cylinder and a pressure sensor for detecting pressure in the cylinder and a vehicle provided with it.
      SOLUTION: An ECU 23 detects a rotation angular speed of a crank shaft 33 at least at two points in a combustion stroke of the cylinder 34 of an engine 12 based on a signal from a crank angle sensor 39 and estimates a generation torque Tω (rotation variation Δω
      2 ) of the engine 12 based on this rotation angular speed. The ECU 23 estimates generation torques Tω (rotation variation Δω
      2 ) of the engine 12 at various air-fuel ratios with such a method and determines the air-fuel ratio at which a derivation torque Tω(rotation variation Δω
      2 ) peaks based on the plurality of estimated generation torques Tω(rotation variation Δω
      2 ) and corrects the air-fuel ratio in the cylinder 34 for a target air-fuel ratio.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于校正气缸中的空燃比的空燃比控制装置,以便于在气缸中适当燃烧而不添加用于检测空燃比的空燃比传感器 气缸和用于检测气缸中的压力的​​压力传感器和设置有气缸的车辆。 解决方案:ECU23基于来自曲柄角传感器39的信号,至少在发动机12的气缸34的燃烧行程的两点处检测曲轴33的旋转角速度,并估计发电转矩 基于该旋转角速度,发动机12的Tω(旋转变化Δω 2 )。 ECU23以这种方式估计发动机12的各种空燃比的发电转矩Tω(旋转变化Δω 2 ),并且确定导出转矩Tω(转动变化 Δω 2 )基于多个估计的发电转矩Tω(旋转变化Δω 2 )而峰值,并校正用于目标空气燃料的气缸34中的空燃比 比。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Hybrid cogeneration system
    • 混合加工系统
    • JP2005105866A
    • 2005-04-21
    • JP2003337459
    • 2003-09-29
    • Kawasaki Heavy Ind LtdKawasaki Thermal Engineering Co Ltd川崎重工業株式会社川重冷熱工業株式会社
    • MIYAMOTO YUICHIMORI YOSHINOBUMORI KENJIHARADA HIDEKAZUMURAKAMI SHOJIHASHIMOTO MASARUMATSUO KAZUYATANAKA KAZUOUMEDA TOKIHIKOSAKAI RYUJIFUJISAWA MASAHIROHIROMASA KAZUSHIOTA MASUOMI
    • F02C6/18F02G5/04F25B15/00F25B27/02
    • Y02A30/274Y02B30/625Y02E20/14Y02P80/15Y02T10/166
    • PROBLEM TO BE SOLVED: To supply cold/hot water to a building stably in an air-conditioning load region of an absorption cold/hot water machine while effectively using the sensible heat of exhaust gas from a generation unit and residual oxygen therein for greatly improving the heat efficiency. SOLUTION: The hybrid cogeneration system 1 comprises the generation unit 2 for generating power with the burning of fuel, a reheat burner 31 using the residual oxygen in the exhaust gas from the generation unit 2 as burning air for burning the fuel, and the absorption cold/hot water machine 3 having the reheat burner 31 as well as a regenerator for separating refrigerant from absorbed liquid and an evaporator for evaporating the refrigerant and serving for generating cold water or hot water to be circulated and supplied to a building. Exhaust gas from the reheat burner 31 of the absorption cold/hot water machine 3 is supplied to the regenerator and power generated by the generation unit 2 is used for driving the generation unit 2 and the absorption cold/hot water machine 3 to distribute the amount of fuel to be supplied to the generation unit 2 and the reheat burner 31 in accordance with at least one of the air-conditioning load of the absorption cold/hot water machine 3 and power requirement for the generation unit 2. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:在吸收冷/热水机的空调负荷区域内稳定地向建筑物供应冷/热水,同时有效地使用来自发电单元的废气的显热和其中的残余氧气 大大提高了热效率。 混合热电联产系统1包括用于燃烧燃料产生电力的发电单元2,使用来自发电单元2的废气中的残余氧作为燃烧燃料的燃烧空气的再热燃烧器31,以及 具有再热燃烧器31的吸收式冷热水机3以及用于将制冷剂与吸收液体分离的再生器和用于蒸发制冷剂的蒸发器,用于产生要循环供给建筑物的冷水或热水。 吸收冷热水机3的再热燃烧器31的废气被供给再生器,由发电单元2产生的动力用于驱动发电单元2和吸收式冷/热水机3, 根据吸收冷/热水机3的空调负荷和发电单元2的功率要求供给到发电单元2和再热燃烧器31的燃料。版权所有: (C)2005,JPO&NCIPI
    • 5. 发明专利
    • Internal combustion engine
    • 内燃机
    • JP2008157219A
    • 2008-07-10
    • JP2007266711
    • 2007-10-12
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • MATSUSHIMA HIROHIDETAKENAKA KENJIABE TAKATSUGUSUZUKI AKIRASAKAMOTO TAKUYAMORI YOSHINOBU
    • F02D41/18F02D41/10F02D41/12
    • F02D41/107F02D41/047F02D41/18F02D41/2422F02D2200/0402F02D2200/0406
    • PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of supplying an optimal quantity of fuel in a cylinder without a time lag even in acceleration or deceleration.
      SOLUTION: This internal combustion engine E is constituted so that when a fuel injector 1 injects the fuel into an intake passage 3, a fuel injection control device 2 controlling the fuel injector 1 determines an actual fuel injection quantity Fy to be injected by performing base fuel injection quantity determination control for determining a base fuel injection quantity Ft with an engine speed of the internal combustion engine E before injection, throttle opening and intake pressure as a parameter, and correction control for correcting the base fuel injection quantity Ft. The correction control is performed based on a predicted intake quantity It possibly supplied in the cylinder 19 in an intake stroke.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使在加速或减速时也能够提供能够在气缸中提供最佳数量的燃料而没有时间滞后的内燃机。 解决方案:该内燃机E被构造成使得当燃料喷射器1将燃料喷射到进气通道3中时,控制燃料喷射器1的燃料喷射控制装置2确定将要喷射的实际燃料喷射量Fy 执行基准燃料喷射量确定控制,用于以喷射前的内燃机E的发动机转速,节气门开度和进气压力作为参数确定基础燃料喷射量Ft,以及校正基准燃料喷射量Ft的校正控制。 基于在进气冲程中可能在气缸19中供应的预测进气量进行校正控制。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Control device and control method for absorption refrigerating device
    • 用于吸收制冷装置的控制装置和控制方法
    • JP2007187417A
    • 2007-07-26
    • JP2006007400
    • 2006-01-16
    • Kawasaki Heavy Ind LtdKawasaki Thermal Engineering Co Ltd川崎重工業株式会社川重冷熱工業株式会社
    • MORI YOSHINOBUHASHIMOTO MASARUMURAKAMI SHOJIHIROMASA KAZUSHIHIRAI AKIRATAKAHARA TAKAHARUOTA MASUOMI
    • F25B15/00
    • Y02A30/277Y02B30/62
    • PROBLEM TO BE SOLVED: To provide a control device for an absorption refrigerating device capable of attaining energy saving in addition to maintaining high temperature controllability.
      SOLUTION: A control means 55 switchingly controls to carry out combustion and to stop combustion at a regenerator 5 based on an outlet temperature T
      CHOUT , a combustion start temperature T
      ON SP and a combustion stop temperature T
      OFF SP . Further in carrying out combustion, the control means 55 switchingly controls high combustion and low combustion to bring the outlet temperature T
      CHOUT close a target temperature TO. The control means 55 further acquires a load state from the time ratio of the combustion state and corrects the combustion start temperature T
      ON SP , the combustion stop temperature T
      OFF SP and the target temperature TO so that the time of the combustion stop state and low combustion state becomes long only in a medium and low load state.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供除了保持高温可控性之外,能够实现节能的吸收式制冷装置的控制装置。 解决方案:控制装置55基于出口温度T CHOUT 切换控制以进行燃烧并停止在再生器5处的燃烧,燃烧开始温度T ON SP < SB>和燃烧停止温度T OFF SP 。 此外,在进行燃烧时,控制装置55切换地控制高燃烧和低燃烧,使出口温度T CHOUT 接近目标温度TO。 控制装置55还根据燃烧状态的时间比例来获取负载状态,并且将燃烧开始温度T ON SP ,燃烧停止温度T OFF SP 和 目标温度TO,使得燃烧停止状态和低燃烧状态的时间仅在中等和低负载状态下变长。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Turbine generating set and its self-sustaining operation method
    • 涡轮发电机组及其自续运行方法
    • JP2005218163A
    • 2005-08-11
    • JP2004018459
    • 2004-01-27
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • MATSUO KAZUYANORO OSAMUMORI YOSHINOBUASHIKAGA MITSUGISAWADA MASASHISAKAI RYUJIFUJISAWA MASAHIRO
    • F01D15/10F02C6/00F02C7/26F02C9/28H02J3/38H02P9/04
    • PROBLEM TO BE SOLVED: To enable self-sustaining operation which is excellent in output responsiveness to a load ripple without needing an expensive protector and without being provided with a power accumulation element. SOLUTION: This turbine generating set 1 which converts power generated by a turbine generator 4 by means of a converter 5 and further converts DC power outputted from the converter into AC power by means of an inverter 7 prior to outputting to a load, controls a voltage inputted into the inverter to be Vc1-Vc2 by supplying the inverter with power from a system 8 when the voltage supplied to the inverter via the converter is not larger than the preset first voltage value Vc1 and consuming surplus power in a regenerative resistor 11 when the voltage supplied to the inverter via the converter from the turbine generator is not smaller than preset second voltage value Vc2. This enables the high-speed control of the inverter output to a load ripple by stabilizing the input voltage to the inverter. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了实现对负载纹波的输出响应性优异的自维持操作,而不需要昂贵的保护器并且不设置功率累积元件。 解决方案:这种涡轮发电机1,其通过转换器5转换由涡轮发电机4产生的功率,并且在输出到负载之前,通过逆变器7将从转换器输出的直流电力进一步转换为交流电力, 当通过转换器提供给逆变器的电压不大于预设的第一电压值Vc1并且消耗再生电阻器中的剩余电力时,通过向系统8提供逆变器供电来控制输入到逆变器的电压为Vc1-Vc2 11,当经由变流器从涡轮发电机提供给逆变器的电压不小于预设的第二电压值Vc2时。 通过稳定变频器的输入电压,可实现对变频器输出的高速控制,达到负载纹波。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Air-fuel ratio control system and air-fuel ratio control method of internal combustion engine
    • 内燃机空燃比比控制系统及空燃比控制方法
    • JP2012136970A
    • 2012-07-19
    • JP2010288532
    • 2010-12-24
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • ABE TAKATSUGUKURATANI SHINICHITAKEUCHI TSUTOMUSUZUKI KOZOMORI YOSHINOBUYANASE DAISUKE
    • F02D41/14F02D41/08F02D45/00
    • F02D41/149F01N3/30F02D41/1498F02D41/2441F02D41/2454F02D41/248Y02T10/20
    • PROBLEM TO BE SOLVED: To shorten a period of time needed for establishing the state that an air-fuel ratio becomes a value in the vicinity of the theoretical air-fuel ratio, upon starting feedback control or upon sudden change of a correction amount required for feedback control, thereby restraining deterioration in exhaust gas or output characteristics of the engine.SOLUTION: A fuel amount determiner 61 determines an operation state reference coefficient TBASE and an operation state correction coefficient FO2RAM corresponding to the operation state based on a first corresponding relationship 71 and a second corresponding relationship 73 stored preliminarily in a memory 63 and also determines feedback correction coefficients FAF, FRLAF, FLLAF for having the air-fuel ratio closer to the theoretical air-fuel ratio based on the output of an air-fuel ratio sensor 56 for determining a fuel command value using a calculation formula including the determined operation state reference coefficient TBASE, the operation state correction coefficient FO2RAM, and the feedback correction coefficients FAF, FRLAF, FLLAF.
    • 要解决的问题:为了缩短建立空燃比成为理论空燃比附近的值的状态所需的时间,在开始反馈控制或突然改变时 反馈控制所需的量,从而抑制排气的劣化或发动机的输出特性。 解决方案:燃料量确定器61基于先前存储在存储器63中的第一对应关系71和第二对应关系73,确定与操作状态相对应的操作状态参考系数TBASE和操作状态校正系数FO2RAM,并且还 基于用于使用包括所确定的操作的计算公式确定燃料指令值的空燃比传感器56的输出,确定反馈校正系数FAF,FRLAF,FLLAF,以使空燃比更接近理论空燃比 状态参考系数TBASE,操作状态校正系数FO2RAM和反馈校正系数FAF,FRLAF,FLLAF。 版权所有(C)2012,JPO&INPIT