专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2013029094A Engine combustion control system 有权
标题翻译：发动机燃烧控制系统
公开(公告)号：JP2013029094A
公开(公告)日：2013-02-07
申请号：JP2011167629
申请日：2011-07-29
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社 , Yanmar Co Ltd , ヤンマー株式会社
发明人： ISHIDA HIROAKI , NAKAI SHUNSAKU , MURAI NORIMICHI , NAKAZONO TORU , OTSUBO HIROYUKI
IPC分类号： F02D41/04 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To suppress decrease in capability of a ternary catalyst as much as possible during transition from a stoichiometric combustion mode to a lean combustion mode.SOLUTION: This engine combustion control system comprises: an air-fuel ratio adjusting means; a ternary catalyst; an oxygen concentration sensor; an excess air ratio estimation calculation part estimating an excess air ratio on the basis of a detection signal from the oxygen concentration sensor; and a fuel mode switching part switching a combustion mode of an engine between a stoichiometric combustion mode maintaining the excess air ratio in a stoichiometric range, a lean combustion mode maintaining the excess air ratio in a lean range, and a stoichiometric-lean combustion mode maintaining the excess air ratio in a stoichiometric-lean range causing the excess air ratio centering around a position shifted to a lean side and positioned at a stoichiometric side rather than the lean range. The combustion by the stoichiometric-lean combustion mode is performed before the transition from the stoichiometric combustion mode to the lean combustion mode.
摘要翻译：要解决的问题：在从化学计量燃烧模式向稀燃燃烧模式转变期间尽可能地抑制三元催化剂的能力降低。解决方案：该发动机燃烧控制系统包括：空燃比调节装置; 三元催化剂; 氧浓度传感器; 过量空气比估计运算部，根据来自氧浓度传感器的检测信号来估计过量空气比; 以及燃料模式切换部分，其将发动机的燃烧模式切换为在理论空燃比范围内保持过量空气比的化学计量燃烧模式，保持稀空燃比范围内的过剩空气比的稀燃燃烧模式和维持化学计量比稀薄范围内的过剩空气比，导致过量空气比以位于偏移侧的位置为中心，并位于化学计量侧而不是贫气范围。在从化学计量燃烧模式向稀燃燃烧模式转变之前，进行理论稀燃燃烧模式的燃烧。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012211514A System for supplying mixed fuel 审中-公开
标题翻译：供应混合燃料的系统
公开(公告)号：JP2012211514A
公开(公告)日：2012-11-01
申请号：JP2011076550
申请日：2011-03-30
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： KAWAKAMI HIROYUKI , NAKAI SHUNSAKU , FUJITA JUNICHI
IPC分类号： F02M21/02 , F02D19/08
CPC分类号： Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a technology that keep a constant mixing ratio of a first fuel gas and a second fuel gas with a simple configuration even when the supply pressure of the fuel gas (the first and second fuel gases) varies.SOLUTION: A system for supplying mixed fuel includes: a first fuel gas supply path 1 for supplying the first fuel gas having a first calorific value to a mixing part M at a first supply pressure; a second fuel gas supply path 2 for supplying the second fuel gas having a calorific value that is lower than the first calorific value to the mixing part M at a second supply pressure that is higher than the first supply pressure; and a mixed gas path 3 for supplying a mixed gas of the first and second fuel gases that are mixed in the mixing part M. The second fuel gas supply path 2 includes a regulating means 5 for regulating the amount of the second fuel gas to be supplied to the mixing part M according to a change in gas pressure in the mixing part M when the amount of the first fuel gas to be supplied is changed, to regulate a calorific value of the mixed gas within a stable calorific value range.
摘要翻译：要解决的问题：即使当燃料气体（第一和第二燃料气体）的供应压力变化时，提供具有简单结构的保持第一燃料气体和第二燃料气体的恒定混合比的技术。解决方案：用于混合燃料的供给系统包括：第一燃料气体供给路径1，其用于在第一供给压力下向混合部M供给具有第一发热量的第一燃料气体; 第二燃料气体供给路径2，用于在高于第一供给压力的第二供给压力下向混合部M供给低于第一发热量的发热量的第二燃料气体; 以及用于供给混合在混合部分M中的第一和第二燃料气体的混合气体的混合气体路径3.第二燃料气体供给路径2包括用于调节第二燃料气体的量的调节装置5 当改变供给的第一燃料气体的量时，根据混合部M中的气体压力的变化，向混合部M供给，以将稳定的发热量范围内的混合气体的发热量调节。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012207578A Engine system 审中-公开
标题翻译：发动机系统
公开(公告)号：JP2012207578A
公开(公告)日：2012-10-25
申请号：JP2011073452
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： F02D41/04
摘要： PROBLEM TO BE SOLVED: To provide an engine system which can improve the stability of an output.SOLUTION: The engine system is constituted in such a manner that, when a detection temperature of a catalyst temperature detection means 14 reaches an overheat preventing set temperature or higher for preventing the overheat of a ternary catalyst 13, a control means 20 executes output lowering processing for lowering an output of an engine 1 or controlling a throttle valve 11 in order to stop the engine 1, and after the execution of the output lowering processing, when the detection temperature of the catalyst temperature detection means 14 becomes lower than the overheat preventing set temperature, the control means executes output recovery processing for raising the output of the engine 1 to an output before being lowered or controlling a throttle valve 11 in order to restart the engine 1. When the control means 20 executes the output lowering processing, the control means executes cranking for operating a starting motor 8 for starting the engine 1 in a state that the throttle valve 11 is opened and a fuel supply valve 10 is closed.
摘要翻译：要解决的问题：提供可以提高输出的稳定性的发动机系统。解决方案：发动机系统构成为，当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以上以防止三元催化剂13的过热时，控制装置20执行用于降低发动机1的输出或控制节气门11以便停止发动机1的输出降低处理，并且在执行输出降低处理之后，当催化剂温度检测装置14的检测温度变得低于过热防止设定温度，控制装置执行输出恢复处理，以将发动机1的输出提升到降低之前的输出或控制节气门11以重新启动发动机1.当控制装置20执行输出降低处理控制装置执行用于在节气门阀的状态下操作用于起动发动机1的起动电动机8的起动 ve 11打开，燃料供给阀10关闭。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012149655A Engine, and engine ignition plug 有权
标题翻译：发动机和发动机点火插头
公开(公告)号：JP2012149655A
公开(公告)日：2012-08-09
申请号：JP2012114810
申请日：2012-05-18
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： SHIRAGAMI YOSUKE , ITO SEIICHI , YAKUSHIJI SHINGO , NAKAI SHUNSAKU , FUKAYA NOBUHIKO , YAMANAKA KOJI , TAKADA KENICHIRO , SHIMIZU TOSHIKAZU
IPC分类号： F02B19/12 , F02B19/16 , F02B19/18
CPC分类号： F02P13/00 , Y02T10/125
摘要： PROBLEM TO BE SOLVED: To blow off flames uniformly into a combustion chamber while an air/fuel mixture in the combustion chamber can be sufficiently supplied to an ignition point, while enabling stable spark ignition of the air/fuel mixture.SOLUTION: An ignition plug 10 is disposed in the axial direction of the combustion chamber so that a plug cover 13 may project from a cylinder head side into the combustion chamber 3. A plurality of communication holes 15 comprise a leading-end-side communication hole 16 provided on the leading end side of the plug cover 13 projecting into the combustion chamber 3 in the axial direction, and a base-end-side communication hole 17 provided closer to the base end side of the plug cover 13 than the leading-end-side communication hole 16. The base-end-side communication hole 17 is configured so that resistance to a fluid flowing from the combustion chamber 3 to an ignition chamber 14 may be smaller than that of the fluid flowing from the ignition chamber 14 to the combustion chamber 3. One leading-end-side communication hole 16 is provided at the leading end position of the plug cover 13 located on a center axis Q of the combustion chamber 3, and a plurality of the communication holes are provided at constant intervals on a circumference around the leading end position.
摘要翻译：要解决的问题：为了将燃烧室中的空气/燃料混合物充分地供应到点火点，同时能够使空气/燃料混合物的火花点火稳定，同时将火焰均匀地吹入燃烧室。解决方案：火花塞10设置在燃烧室的轴向方向上，使得塞子盖13可以从气缸盖侧突出到燃烧室3中。多个连通孔15包括前端 - 设置在沿轴向突出到燃烧室3中的插头盖13的前端侧的侧端连通孔16以及比插塞盖13的基端侧更接近设置的基端侧连通孔17 前端侧连通孔16.基端侧连通孔17构成为使得从燃烧室3向点火室14流动的流体的阻力可以小于从点火室流出的流体的阻力一个前端侧连通孔16设置在位于燃烧室3的中心轴线Q上的塞子盖13的前端位置，多个连通孔ar e以围绕前端位置的圆周以恒定间隔设置。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012038524A Ignition plug, and engine having thereof 有权
标题翻译：点火插头及其发动机
公开(公告)号：JP2012038524A
公开(公告)日：2012-02-23
申请号：JP2010176644
申请日：2010-08-05
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： SHIRAGAMI YOSUKE , ITO SEIICHI , SATO HIRONORI , NAKAI SHUNSAKU , YAMANAKA KOJI , TAMURA MASAYUKI , SHIMIZU TOSHIKAZU
IPC分类号： H01T13/32 , F02B19/12 , F02B19/16 , F02P13/00 , H01T13/54
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To prevent a preignition thereby prevent damage of an engine.SOLUTION: An ignition plug comprises: a plug body 13 having a center electrode 11 and an earth electrode 12; and a plug cover 14 provided on the plug body 13 so as to cover the center electrode 11 and the earth electrode 12. The plug cover 14 is provided with a continuous hole 16 passing through an ignition chamber 15 formed in the plug cover 14 and an outside of the plug cover 14. The plug body 13 and the plug cover 14 are configured so as to be freely installable to a cylinder head so that the plug cover 14 can pass through the ignition chamber 15 and a combustion chamber via the continuous hole 16 from a cylinder head side of an engine to be installed to the combustion chamber facing a piston. A first corner 20 which is a corner of the earth electrode 12 is configured as a curve surface to suppress a preignition at the first corner 20.
摘要翻译：要解决的问题：为了防止预引燃从而防止发动机的损坏。解决方案：火花塞包括：具有中心电极11和接地电极12的插头体13; 以及设置在插头主体13上以覆盖中心电极11和接地电极12的插头盖14.插头盖14设置有穿过形成在插头盖14中的点火室15的连续孔16和插头主体13和插头盖14构造成能够自由地安装到气缸盖上，使得插头盖14能够经由连续孔16穿过点火室15和燃烧室从要安装的发动机的气缸盖侧面朝向活塞的燃烧室。作为接地电极12的角部的第一角部20被配置为弯曲表面，以抑制第一角部20处的预点火。版权所有：（C）2012，JPO＆INPIT

6. 发明专利

JP2012036796A Method of operating engine and engine 有权
标题翻译：发动机和发动机的运行方法
公开(公告)号：JP2012036796A
公开(公告)日：2012-02-23
申请号：JP2010176643
申请日：2010-08-05
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： SHIRAGAMI YOSUKE , ITO SEIICHI , SATO HIRONORI , NAKAI SHUNSAKU , YAMANAKA KOJI , TAMURA MASAYUKI , SHIMIZU TOSHIKAZU
IPC分类号： F02B19/12 , F02B19/16 , F02P13/00
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a method of operating an engine by which an air-fuel mixture in an ignition chamber is properly ignited and the occurrence of pre-ignition is prevented regardless of the engine load being high or low.SOLUTION: An ignition plug 12 in which the ignition chamber 21 is formed in a plug cover 20 covering an ignition point is loaded to a cylinder head 3. A communication hole 22 allowing the ignition chamber 21 to communicate with a combustion chamber 7 facing a piston 4 is provided in the plug cover 20. The ignition plug 12 is loaded in the cylinder head 3 so that the ignition chamber 21 and the combustion chamber 7 may communicate with each other through a communication hole 22 by projecting the plug cover 20 to the combustion chamber 7 from the cylinder head 3 side and the amount of projection of the plug cover 20 projected to the combustion chamber 7 is controlled according to the level of the engine load.
摘要翻译：要解决的问题：提供一种操作发动机的方法，通过该发动机，点火室中的空气 - 燃料混合物被适当地点燃，并且防止发动机的发动机负载高或低。解决方案：点火室21形成在覆盖点火点的插头盖20中的火花塞12被装载到气缸盖3上。允许点火室21与燃烧室7连通的连通孔22 面向活塞4设置在插头盖20中。火花塞12被装载到气缸盖3中，使得点火室21和燃烧室7可以通过突出插头盖20通过连通孔22彼此连通从气缸盖3侧到燃烧室7，并且根据发动机负载的水平来控制突出到燃烧室7的插头盖20的突出量。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2011196342A Engine operating method, engine, and spark plug installed in engine 有权
标题翻译：发动机操作方法，发动机和火花塞安装在发动机
公开(公告)号：JP2011196342A
公开(公告)日：2011-10-06
申请号：JP2010066745
申请日：2010-03-23
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： SATO HIRONORI , ITO SEIICHI , SHIRAGAMI YOSUKE , NAKAI SHUNSAKU , YAMANAKA KOJI , TAMURA MASAYUKI , SHIMIZU TOSHIKAZU
IPC分类号： F02D41/04 , F02B19/12 , F02D41/02 , F02P5/15 , F02P11/04 , F02P13/00
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To prevent generation of preignition and damage to an engine, by detecting a phenomenon possibly leading to preignition and performing an operation for preventing the preignition.SOLUTION: A spark plug 6 is installed in a cylinder head 5 such that a plug cover 14 protrudes from the cylinder head 5 side to a combustion chamber 3 and an ignition chamber 15 and the combustion chamber 3 communicate with each other via a communication hole. If an overload state is determined in which a heat load on the plug cover 14 or electrodes 11, 12 is overloaded, an operating condition of the engine is changed such that the heat load on the plug cover 14 or the electrodes 11, 12 is reduced.
摘要翻译：要解决的问题：通过检测可能导致预警的现象和执行防止预警的操作来防止发动机的预警和损坏的产生。解决方案：火花塞6安装在气缸盖5中，使得塞子盖14从气缸盖5侧突出到燃烧室3，点火室15和燃烧室3经由连通孔相互连通。如果确定了过载状态，其中插头盖14或电极11,12上的热负荷过载，则发动机的操作状态改变，使得插头盖14或电极11,12上的热负荷减小。

8. 发明专利

JP2010265836A Sub-chamber type engine 有权
标题翻译：子舱式发动机
公开(公告)号：JP2010265836A
公开(公告)日：2010-11-25
申请号：JP2009118827
申请日：2009-05-15
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： F02B19/12 , F02B23/00 , F02D19/02 , F02M21/02
CPC分类号： F02P13/00 , Y02T10/125 , Y02T10/142 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a sub-chamber type engine capable of reducing temperature in a sub-chamber. SOLUTION: A sub-chamber type engine 100 which includes the main chamber 10 facing a piston 2, a combustion chamber 1 containing a sub-chamber 11 communicating to the main chamber 10 through an injection hole 21, a sub-chamber fuel gas passage 14 for supplying fuel gas G1 to the sub-chamber 11 and an ignition part 12 for performing spark-ignition of fuel/air mixture formed in the sub-chamber 11, and further includes a cooling gas supply mechanism C for supplying cooling gas G2 for cooling the sub-chamber 11 to the sub-chamber 11. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够降低子室中的温度的子室型发动机。解决方案：包括主室10面向活塞2的副室型发动机100，包含通过喷射孔21与主室10连通的副室11的燃烧室1，副室燃料用于向副室11供给燃料气体G1的气体通道14和用于在副室11中形成的燃料/空气混合物进行火花点火的点火部12，还包括用于供给冷却气体的冷却气体供给机构C G2，用于将子室11冷却到子室11.版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010065621A Engine 有权
标题翻译：发动机
公开(公告)号：JP2010065621A
公开(公告)日：2010-03-25
申请号：JP2008233558
申请日：2008-09-11
申请人： Osaka Gas Co Ltd , 大阪瓦斯株式会社
发明人： TANAKA DAIKI , TAKASHIMA YOSHITSUGU , NAKAI SHUNSAKU
IPC分类号： F02D41/04 , F02D21/08 , F02D41/02
摘要： PROBLEM TO BE SOLVED: To provide an engine maintaining an opening of a throttle valve within an intermediate region in both combustion states of a first combustion state for performing stoichiometric combustion and a second combustion state for performing stoichiometric combustion, EGR combustion, or lean combustion, and increasing an exhaust gas amount or an excessive air amount larger than a theoretical air amount recirculated in a combustion chamber in the second combustion state.
SOLUTION: This engine is equipped with an opening control means 20 for controlling the opening of the throttle valve 10 so that the opening of the throttle valve 10 is within the intermediate region in an opening movable range of the throttle valve 10 in both combustion states of the first combustion state for performing stoichiometric combustion in the combustion chamber 2 and the second combustion state for performing stoichiometric combustion or EGR combustion inthe combustion chamber 2 by returning a portion of the exhaust gas E to an intake path 4 and recirculating it in the combustion chamber 2 or performing lean combustion in the combustion chamber 2.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种发动机，其在用于进行化学计量燃烧的第一燃烧状态的燃烧状态和用于进行化学计量燃烧的第二燃烧状态，EGR燃烧或EGR燃烧时，在中间区域内保持节流阀的开度并且增加比在第二燃烧状态下在燃烧室中再循环的理论空气量大的排气量或过多的空气量。解决方案：该发动机配备有用于控制节流阀10的开度的开启控制装置20，使得节气门10的开度在节气门10的打开可移动范围内的中间区域内用于在燃烧室2中进行化学计量燃烧的第一燃烧状态的燃烧状态和用于通过将排气E的一部分返回到进气通路4并将其再循环的燃烧室2进行化学计量燃烧或EGR燃烧的第二燃烧状态燃烧室2或在燃烧室2内进行稀薄燃烧。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009270542A Engine and spark plug for engine 有权
标题翻译：发动机发动机和火花塞
公开(公告)号：JP2009270542A
公开(公告)日：2009-11-19
申请号：JP2008123868
申请日：2008-05-09
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： SHIRAGAMI YOSUKE , ITO SEIICHI , YAKUSHIJI SHINGO , NAKAI SHUNSAKU , FUKAYA NOBUHIKO , YAMANAKA KOJI , SHIMIZU TOSHIKAZU , TAKADA KENICHIRO
IPC分类号： F02P13/00
摘要： PROBLEM TO BE SOLVED: To provide an engine and a spark plug for the engine capable of making flame propagate in a combustion chamber as uniformly as possible and of burning air-fuel mixture in the combustion chamber as uniformly as possible.
SOLUTION: The spark plug 10 with an ignition chamber 14 formed in a plug cover 13 covering the ignition point 11 is installed on a cylinder head 6. A plurality of nozzle holes 15 providing communication between the ignition chamber 14 and the combustion chamber 3 facing a piston 2 are provided on the plug cover 13. The spark plug 10 is disposed in such a manner that the plug cover 13 is projected out to the combustion chamber 3 from a cylinder head 6 side in an axial direction of the combustion chamber 3. The plurality of nozzle holes 15 are composed to maintain an area ratio of total area of the plurality of nozzle holes 15 to the area of the projection surface 13a in a range from 0.05 to 0.2 under a dispersed condition keeping intervals on a projection surface 13a so as to form flame of a shape corresponding to an outer shape of a projection surface 13a of the plug cover 13 projecting to a combustion chamber 3.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于能够使火焰在燃烧室中均匀地传播并且尽可能均匀地燃烧空气燃料混合物的发动机的发动机和火花塞。解决方案：具有形成在覆盖点火点11的塞盖13中的点火室14的火花塞10安装在气缸盖6上。多个喷嘴孔15提供点火室14和燃烧室之间的连通面向活塞2的火花塞10设置在插头盖13上。火花塞10设置成使得插头盖13从燃烧室的轴向方向上的气缸盖6侧向燃烧室3突出多个喷嘴孔15构成为在分散状态下将多个喷嘴孔15的总面积与突出面13a的面积保持在0.05〜0.2的范围内，保持在投影面上的间隔 13a形成对应于突出到燃烧室3的插头盖13的突出表面13a的外形的形状的火焰。版权所有（C）2010，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式