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81. 发明专利

JP2004239173A System for controlling combustion of internal combustion engine and method for controlling combustion 有权
公开(公告)号：JP2004239173A
公开(公告)日：2004-08-26
申请号：JP2003029611
申请日：2003-02-06
申请人： Osaka Gas Co Ltd , Tokyo Gas Co Ltd , 大阪瓦斯株式会社 , 東京瓦斯株式会社
发明人： FUKAYA NOBUHIKO , YASUKAWA HIROSHI , KOGA SHIYOUNOSUKE , NAKAI SHUNSAKU , SATO HIRONORI , OKAMOTO KAZUHISA , MATSUI TORU , MORIMOTO TOMOHITO
IPC分类号： F02D45/00 , F02D41/04
摘要： PROBLEM TO BE SOLVED: To provide a combustion control system capable of maintaining a stable combustion state even when the properties of fuel are unstable only by applying a variation of a comparatively narrow range on the combustion control system provided with state related value detecting means 23, 24, and 32 to detect a state related value regarding the operation state of an internal combustion engine 1; and a control means 21 to control the amount of fuel fed to the internal combustion engine 1 based on a state related value detected by a state related value detecting means. SOLUTION: The combustion control system is provided with a heating value related value detecting means 33 to detect a heating value related value regarding a heating value of fuel fed to the internal combustion engine 1; and a correcting means 31 to correct a state related value, detected by a state related value detecting means 32, based on a heating value related value detected by the heating value detecting means 33 and input it to a control means 21. COPYRIGHT: (C)2004,JPO&NCIPI

82. 发明专利

JP2013238248A Energy system 有权
标题翻译：能源系统
公开(公告)号：JP2013238248A
公开(公告)日：2013-11-28
申请号：JP2013182815
申请日：2013-09-04
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： TAKASHIMA YOSHITSUGU , TANAKA DAIKI , NAKAI SHUNSAKU , YAKUSHIJI SHINGO
IPC分类号： F02D21/08 , F01P5/06 , F02G5/04 , F02M25/07
CPC分类号： Y02E20/14 , Y02T10/121 , Y02T10/166
摘要： PROBLEM TO BE SOLVED: To provide an energy system capable of widening a variable width of a thermoelectric ratio in thermoelectric power generation than ever before while keeping a good combustion state in an engine.SOLUTION: An energy system includes: an engine 1; an exhaust heat recovery means 11; and a power generating means 21. The energy system also includes: an accommodation 41 accommodating the engine 1 and the means 11 and 21; a ventilation means 42 for discharging air in the accommodation 41 to the outside of the accommodation 41; a ventilation amount adjusting means 54 for adjusting a thermoelectric ratio in thermoelectric power generation that is a ratio of a generated heat amount by the exhaust heat recovery means 11 to a generated electric energy by the power generating means 21 in such a manner that a ventilation amount by the ventilation means 42 is adjusted in response to a direction of change in a requested thermoelectric ratio in thermoelectric power generation when the requested thermoelectric ratio in thermoelectric power generation ratio that is a ratio of a requested heat amount from a heat load 15 to a requested electric energy from an electrical load 23 changes with time; and a NOx reducing means for reducing NOx. The NOx reducing means is configured of an EGR amount adjusting portion 56 for increasing an EGR amount compared with an EGR amount before the requested thermoelectric ratio in thermoelectric power generation changes when the requested thermoelectric ratio in thermoelectric power generation rises.
摘要翻译：要解决的问题：提供一种能够在保持发动机中良好的燃烧状态的同时，扩大热电发电中的热电比的可变宽度的能量系统。解决方案：能量系统包括：发动机1; 废热回收装置11; 能量系统还包括：容纳发动机1和装置11和21的容纳部件41; 通风装置42，用于将住宿部分41中的空气排放到容纳部分41的外部; 用于调节热电发电中的热电比的换气量调节装置54，其是排气热回收装置11产生的热量与发电装置21产生的电能的比率，使得通风量当所需的热电发电比的热电比是从热负荷15的请求热量与要求的热负荷15的比值到所要求的热负荷15的比率时，通过换热装置42响应热电发电中所要求的热电比的变化方向来调节来自电负载23的电能随时间而变化; 以及用于还原NOx的NOx还原装置。 NOx减少装置由在热电发电所要求的热电比上升时，在热电发电所要求的热电比变化之前，EGR量调整部56与EGR量相比增加EGR量。

83. 发明专利

JP2013127242A Gas mixture supplying system 有权
标题翻译：气体混合供料系统
公开(公告)号：JP2013127242A
公开(公告)日：2013-06-27
申请号：JP2012250610
申请日：2012-11-14
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： ISHIDA HIROAKI , FUJITA JUNICHI , NAKAI SHUNSAKU
IPC分类号： F02M21/04 , F01N3/24 , F02B43/00 , F02G5/04 , F02M21/02 , F23C1/00 , F23K5/00 , F23N1/00
CPC分类号： Y02E20/14 , Y02T10/166 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a gas mixture supplying system capable of supplying gas mixture of spare fuel gas and air while quickly changing the same into the condition suitable for a combustion device.SOLUTION: The gas mixture supplying system has a spare gas mixture supplying passage 4 supplying the gas mixture M of LP gas G2 and air A to the combustion device S, and a mixing ratio adjusting means freely adjusting the mixing ratio of the gas mixture M by adjusting the supplying quantity of the LP gas G2 to the first combustor V1 in which the suitable combustion range of the wobbe index of the gas mixture M as the combustion device S is the first wobbe index range or the second combustor V2 in which the suitable combustion range is the second wobbe index range different from the first wobbe index range, the mixing ratio adjusting means is constituted so as to freely switch to the first combustor supplying condition for adjusting the mixing ratio to the mixing ratio for the first combustor in which the gas mixture M is in a range of the first wobbe index and the second combustor supplying condition for adjusting the mixing ratio to the mixing ratio for the second combustor in which the gas mixture is in a range of the second wobbe index range.
摘要翻译：要解决的问题：提供一种能够提供备用燃料气体和空气的气体混合物的气体混合物供应系统，同时快速将其改变为适合燃烧装置的状态。解决方案：气体混合物供给系统具有将LP气体G2和空气A的气体混合物M供给到燃烧装置S的备用气体混合物供给路径4，能够自由调节气体混合比的混合比例调节装置混合物M通过调节LP气体G2的供给量到第一燃烧器V1，其中作为燃烧装置S的气体混合物M的摆动指数的适当燃烧范围是第一摆动指数范围或第二燃烧室V2，其中合适的燃烧范围是与第一摆动指数范围不同的第二摆动指数范围，混合比率调节装置被构造成可以自由地切换到第一燃烧器供应条件，以将混合比调整到第一燃烧器的混合比其中气体混合物M在第一摆动指数和第二燃烧器供应条件的范围内，用于调节混合比与第二燃烧器的混合比 h气体混合物处于第二摆动指数范围内。版权所有（C）2013，JPO＆INPIT

84. 发明专利

JP2012211594A engine 有权
标题翻译：发动机
公开(公告)号：JP2012211594A
公开(公告)日：2012-11-01
申请号：JP2012171994
申请日：2012-08-02
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： YAKUSHIJI SHINGO , NAKAI SHUNSAKU , ITO SEIICHI , SHIRAGAMI YOSUKE , FUKAYA NOBUHIKO , YAMANAKA KOJI , SHIMIZU TOSHIKAZU , TAKADA KENICHIRO
IPC分类号： F02B19/12 , F02B23/08
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide an engine that has a degree of freedom in a layout position of an ignition plug, and can almost uniformly disperse flares injected from injection holes.SOLUTION: The ignition plug spark-ignites mixed air flowing from a combustion chamber 1 via a plurality of the injection holes 10 in an ignition point P and combusts it, the flares L formed by combustion are led to the plurality of injection holes 10, injected to the combustion chamber 1 and combust the mixed air in the combustion chamber 1, diameters of the plurality of injection holes 10 are set the same, the plurality of injection holes 10 are formed at a plurality of divided regions A to D, respectively, which are formed by dividing the combustion chamber 1 by a linear line with the ignition point P as a center in a cross section view orthogonal to the center axis of the combustion chamber 1, and the injection holes formed at the plurality of divided regions A to D, respectively, are set to be larger in an installation number as an area of the divided region becomes larger in the cross section view.
摘要翻译：要解决的问题：提供一种在火花塞的布置位置具有自由度的发动机，并且能够几乎均匀地分散从喷射孔喷射的火焰。解决方案：火花塞火花点火点燃燃烧室1经由多个点火点P中的多个喷射孔10燃烧，燃烧形成的火焰点L被引导到多个喷射孔如图10所示，喷射到燃烧室1并燃烧燃烧室1中的混合空气，使多个喷射孔10的直径相同，多个喷射孔10形成在多个分割区域A〜D，分别通过在与燃烧室1的中心轴线正交的截面图中将燃烧室1分割为以点火点P为中心的线性线形成，并且形成在多个分割区域在截面图中分割区域的面积变大的情况下，分别将A〜D的安装数设定得较大。版权所有（C）2013，JPO＆INPIT

85. 发明专利

JP2012207576A Engine system 审中-公开
标题翻译：发动机系统
公开(公告)号：JP2012207576A
公开(公告)日：2012-10-25
申请号：JP2011073450
申请日：2011-03-29
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： ISHIDA HIROAKI , NAKAI SHUNSAKU , YAMADA AKIRA , SAKAGUCHI YOSHIMI , MURAI NORIMICHI
IPC分类号： F02D45/00 , F01N3/20 , F01N3/24 , F02D29/00 , F02D29/04 , F02D41/04
摘要： PROBLEM TO BE SOLVED: To provide an engine system which can improve the stability of operation.SOLUTION: The engine system is constituted in such a manner that, when a control means 20 determines that a detection temperature of a catalyst temperature detection means 14 reaches an overheat preventing set temperature or higher, and a catalyst overheat state is brought about, the control means lowers an output of an engine 1 or stops the engine 1. There is arranged an overheat determination inhibiting means 21 for inhibiting that the control means 20 determines that the catalyst overheat state is brought about during a period that a restraining set time elapses which is set so as to be extended to the period after a combustion mode is switched to a lean combustion mode starting on and from at least the switch timing when the control means 20 switches the combustion mode of the engine 1 to the lean combustion mode from a stoichiometry combustion mode.
摘要翻译：要解决的问题：提供可以提高操作稳定性的发动机系统。解决方案：发动机系统以这样的方式构成，即当控制装置20确定催化剂温度检测装置14的检测温度达到过热防止设定温度或更高时，引起催化剂过热状态时控制装置降低发动机1的输出或停止发动机1.设置有过热判定抑制装置21，用于禁止控制装置20在限制设定时间段内确定催化剂过热状态经过设定为延长到燃烧模式切换到稀燃燃烧模式之后的期间，当控制装置20将发动机1的燃烧模式切换到稀燃模式时至少开关定时从化学计量燃烧模式。版权所有（C）2013，JPO＆INPIT

86. 发明专利

JP2012036904A Engine and ignition plug for engine 有权
标题翻译：发动机和发动机点火插头
公开(公告)号：JP2012036904A
公开(公告)日：2012-02-23
申请号：JP2011243855
申请日：2011-11-07
申请人： Denso Corp , Osaka Gas Co Ltd , 大阪瓦斯株式会社 , 株式会社デンソー
发明人： ITO SEIICHI , YAKUSHIJI SHINGO , NAKAI SHUNSAKU , SHIRAGAMI YOSUKE , FUKAYA NOBUHIKO , YAMANAKA KOJI , SHIMIZU TOSHIKAZU , TAKADA KENICHIRO
IPC分类号： F02B19/16 , F02B19/12 , F02B19/18 , F02B23/08 , F02B23/10 , F02P13/00 , H01T13/54
CPC分类号： F02P13/00 , Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a technology for an engine in which an air-fuel mixture flowing into an ignition chamber from a combustion chamber through a nozzle hole is spark-ignited at an ignition point by an ignition plug, which is achieved in the sure leading of the air-fuel mixture to the ignition point and the prevention of the occurrence of a misfire thereby providing stable combustion flame and achieving stable operation.SOLUTION: The ignition plug 7 in which the ignition chamber 8 is formed in a plug cover 7b covering the ignition point P is loaded in a cylinder head 6, the plurality of nozzle holes 10 are formed at the plug cover 7b, the ignition chamber 8 comprises throat spaces 8a formed at the nozzle holes 10 and an ignition space 8b communicating with the throat space 8a and having the ignition point P. The inside diameter of the throat space 8a is formed to be smaller than that of the ignition space 8b. The center axis Y of the throat space 8a is set to be parallel to the center axis X of the ignition space 8b and shifted by a predetermined distance D from the center axis X. The throat space 8a is arranged at the end of the ignition space 8b in a direction orthogonal to the center axis X of the ignition space 8b.
摘要翻译：要解决的问题：提供一种用于发动机的技术，其中从燃烧室通过喷嘴孔流入点火室的空气 - 燃料混合物在点火点通过火花塞火花点火，其是火花塞在将燃料混合物确实引导到点火点并防止发生失火的同时实现，从而提供稳定的燃烧火焰并实现稳定的操作。解决方案：点火室8形成在覆盖点火点P的塞盖7b中的火花塞7被装载在气缸盖6中，多个喷嘴孔10形成在插头盖7b上，点火室8包括形成在喷嘴孔10处的喉部空间8a和与喉部空间8a连通且具有点火点P的点火空间8b。喉部空间8a的内径形成为小于点火空间 8B。喉部空间8a的中心轴线Y设定为与点火空间8b的中心轴线X平行，并从中心轴线X偏移了规定的距离D.喉部空间8a配置在点火空间的端部 8b在与点火空间8b的中心轴线X正交的方向上。版权所有（C）2012，JPO＆INPIT

87. 发明专利

JP2011208609A engine 审中-公开
标题翻译：发动机
公开(公告)号：JP2011208609A
公开(公告)日：2011-10-20
申请号：JP2010079126
申请日：2010-03-30
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： TSUJI NAGATOMO , NAKAI SHUNSAKU
IPC分类号： F02P11/04 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an engine which can detect the occurrence of backfire by a simple constitution.SOLUTION: The engine is provided with a cylinder 6 which has a cylinder 1 of which the interior becomes a combustion chamber 10, a piston 2 reciprocatably provided in the interior of the cylinder 1, an intake air passage 31 and an exhaust passage 32, both of which are communicated to a combustion chamber 10 through an intake port 11 and an exhaust port 12 formed in the cylinder 1, an intake valve 41 and an exhaust valve 42 which open and close the intake port 11 and the exhaust port 12 respectively, and an ignition plug 5 provided in the combustion chamber 10; and a control part which performs the supply of a fuel gas and the stop control of ignition operation of the ignition plug 5. A backfire detecting means 7 is provided to the intake air passage 31, and the stop control is performed when the occurrence of the backfire has been detected by the backfire detecting means 7.
摘要翻译：要解决的问题：提供一种可以通过简单的结构来检测回火的发生的发动机。解决方案：发动机设置有气缸6，气缸1内部变成燃烧室10，活塞2可往复运动设置在气缸1的内部，进气通道31和排气通道32，两者通过进气口11和形成在气缸1中的排气口12连通到燃烧室10，进气门41 以及分别打开和关闭进气口11和排气口12的排气阀42和设置在燃烧室10中的火花塞5; 以及控制部件，其执行燃料气体的供给和火花塞5的点火操作的停止控制。向进气通道31提供逆火检测装置7，并且当发生回火检测装置7已经检测到反火。

88. 发明专利

JP2011085112A Energy system 有权
标题翻译：能源系统
公开(公告)号：JP2011085112A
公开(公告)日：2011-04-28
申请号：JP2009240763
申请日：2009-10-19
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： TAKASHIMA YOSHITSUGU , TANAKA DAIKI , NAKAI SHUNSAKU , YAKUSHIJI SHINGO
IPC分类号： F01P5/06 , F01P7/02 , F01P7/04 , F02G5/04 , F02P5/15
CPC分类号： Y02E20/14 , Y02T10/166
摘要： PROBLEM TO BE SOLVED: To provide an energy system capable of achieving a large variable range of the generated thermoelectric ratio while maintaining excellent combustion state in an engine. SOLUTION: The energy system 100 includes an engine 1 for outputting the shaft power by compressing and burning the air-fuel mixture M in a combustion chamber 2, an exhaust heat recovering means 11 which recovers the exhaust heat of the engine 1, and supplies the recovered heat to a thermal load 15, and a power generation means 21 which is driven by the shaft power of the engine 1 to generate the power, and supplies the generated power to a power load 23. The energy system further includes an accommodating apparatus 41 for accommodating the engine 1, the exhaust heat recovering means 11, and the power generation means 21, a ventilating means 42 for exhausting air in the accommodating apparatus 41 outside the accommodating apparatus, and a ventilation air volume adjusting means 54 for adjusting the ventilation air volume by the ventilating means 42 according to the changing direction of the requested thermoelectric ratio when the requested thermoelectric ratio as the ratio of the requested calorie in the thermal load 15 to the requested power in the power load 23 is subjected to the secular change. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够实现发电机组的发热量的可变范围大的能量系统，同时在发动机中保持优异的燃烧状态。能量系统100包括用于通过在燃烧室2中压缩和燃烧空气 - 燃料混合物M来输出轴功率的发动机1，回收发动机1的排气热的排气热回收装置11，并将回收的热量供给到热负荷15，以及由发动机1的轴功率驱动以产生电力的发电装置21，并将发电的电力供给到动力负载23.能量系统还包括：用于容纳发动机1的容纳装置41，排气热回收装置11和发电装置21，用于排出容纳装置外部的容纳装置41中的空气的通风装置42和用于调节的通风空气量调节装置54 当请求的热电比作为请求的比率时，根据所要求的热电比的变化方向，通风装置42的通风空气量在热负荷15中对所需功率的功率负载23中的热量进行长期变化。版权所有（C）2011，JPO＆INPIT

89. 发明专利

JP2010265872A Engine system and engine control method 有权
标题翻译：发动机系统和发动机控制方法
公开(公告)号：JP2010265872A
公开(公告)日：2010-11-25
申请号：JP2009120177
申请日：2009-05-18
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： YAKUSHIJI SHINGO , NAKAI SHUNSAKU , TANAKA DAIKI , TAKASHIMA YOSHITSUGU
IPC分类号： F02D41/04 , F01N3/24 , F02D29/02 , F02D29/04 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an engine system capable of reducing the performance deterioration of three way catalyst at a restart of a system and also capable of maintaining the good catalytic activity of the three way catalyst. SOLUTION: An engine system 100 includes: an engine 1 that compresses and burns an air-fuel mixture M in a combustion chamber 2 and outputs shaft power; and a three way catalyst 7 that is disposed in an exhaust passage 4 through which an exhaust gas E exhausted from the combustion chamber 2 passes, and purifies the exhaust gas E. The engine system 100 also includes: a catalyst temperature acquisition means Se3 that acquires a catalyst temperature of the three way catalyst 7; and a control means 51 that performs a pre-stop control for lowering a catalyst temperature, if the catalyst temperature is not lower than a prescribed stop permission temperature when a request for stopping the system is received, while a cooling related element which is a system element related to exhaust gas cooling among a plurality of system elements constituting the system is kept in operation, and that performs an actual stop control for bringing the system to a complete stop by stopping an operation of the cooling related element if the catalyst temperature is lower than the stop permission temperature. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在系统重启时能够降低三元催化剂的性能劣化并且还能够保持三元催化剂的良好催化活性的发动机系统。发动机系统100包括：发动机1，其在燃烧室2中压缩燃烧空气燃料混合物M并输出轴功率; 以及设置在从燃烧室2排出的废气E通过的排气通路4中的三元催化剂7，并且净化废气E.发动机系统100还包括：催化剂温度获取装置Se3，其获取三元催化剂7的催化剂温度; 以及控制装置51，当接收到停止系统的请求时，如果催化剂温度不低于规定的停止允许温度，则执行用于降低催化剂温度的预停止控制，而作为系统的冷却相关元件与构成系统的多个系统元件中的废气冷却有关的元件保持运行，并且如果催化剂温度较低，则通过停止冷却相关元件的操作来执行实际停止控制以使系统完全停止比停止许可温度。版权所有（C）2011，JPO＆INPIT

90. 发明专利

JP2009299592A Engine 有权
标题翻译：发动机
公开(公告)号：JP2009299592A
公开(公告)日：2009-12-24
申请号：JP2008155409
申请日：2008-06-13
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： SATO HIRONORI , NAKAI SHUNSAKU
IPC分类号： F02D41/34 , F02B19/00 , F02B19/10 , F02D19/02 , F02M37/00 , F02M63/00
CPC分类号： Y02T10/125 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To reduce the exhaust of unburned hydrocarbon, and to improve an engine efficiency.
SOLUTION: A main chamber 9 facing a piston 6 and a sub chamber 11 communicated with the main chamber 9 through an injection hole 10 are provided as a combustion chamber N; a check valve 19 opened by reduction of pressure of the sub chamber 11 and permitting supply of fuel gas to the sub chamber 11 is disposed in a sub fuel supply passage 18 for supplying the fuel gas to the sub chamber 11; a gas control valve 14 freely opening and closing a main fuel supply passage 13 is provided on the main fuel supply passage 13 for supplying the fuel gas to an intake passage 12 for supplying fresh air to the main chamber 9; the sub fuel supply passage 18 is constituted to branch in a connection portion in the main fuel supply passage 13 with respect to the gas control valve 14 and the intake passage 12; and a gas supply timing control means 23 for controlling opening and closing operation of the gas control valve 14 is provided so as to control the supply timing of the fuel gas to the intake passage 12.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少未燃碳氢化合物的排气，并提高发动机效率。作为燃烧室N，设置有面向通过喷射孔10与主室9连通的活塞6和副室11的主室9，通过减小副室11的压力并允许向副室11供应燃料气体而打开的止回阀19设置在副燃料供应通道18中，用于将燃料气体供应到副室11; 在主燃料供给通道13上设置有用于将主燃料供给通道13自由打开和关闭的气体控制阀14，用于将燃料气体供应到用于向主室9供应新鲜空气的进气通道12; 辅助燃料供给通道18构成为在主燃料供给通道13中相对于气体控制阀14和进气通道12的连接部分分支; 并且设置用于控制气体控制阀14的打开和关闭操作的气体供给定时控制装置23，以控制燃料气体与进气通道12的供应时间。（C）2010，JPO＆INPIT

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