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公开(公告)号：US5720166A
公开(公告)日：1998-02-24
申请号：US622395
申请日：1996-03-27
IPC分类号： F02D43/00 , F01N3/20 , F01N3/22 , F01N3/24 , F01N3/32 , F02D35/00 , F02D41/08 , F02D41/14 , F02D45/00
摘要： An engine is equipped with a mechanism for supplying supplementary air into an exhaust conduit upstream of a catalytic converter in order to increase catalytic activity thereof. An incremental proportion for fuel supply during this supply of supplementary air is determined so as to keep the concentration of oxygen upstream of the catalytic converter substantially at a predetermined value which corresponds to an air/fuel ratio on the lean side of stoichiometric. Further, the amount of fuel supplied is corrected according to the greater of this incremental proportion and an incremental proportion which is determined according to the temperature of the engine. By doing this, the oxygen concentration in the vicinity of the intake of the catalytic converter is maintained at the predetermined value which is lean, and the catalyst is activated at an early stage.
摘要翻译： 发动机配备有用于将辅助空气供给到催化转化器上游的排气管道中以增加其催化活性的机构。 确定在补充空气供应期间燃料供应的增加比例，以便将催化转化器上游的氧气浓度保持在基本上等于对应于化学计量的稀薄侧的空气/燃料比的预定值。 此外，根据该增量比例中的较大者和根据发动机的温度确定的增量比例来校正所供给的燃料量。 通过这样做，催化转化器的吸入附近的氧浓度保持在贫的预定值，并且催化剂在早期被激活。
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公开(公告)号：US5697340A
公开(公告)日：1997-12-16
申请号：US726207
申请日：1996-10-04
CPC分类号： F02D37/02 , F02D41/0255 , F02P5/1506 , F02P5/045 , Y02T10/26 , Y02T10/46
摘要： A fuel supply amount to a spark ignition engine is increased and an ignition timing of an air-fuel mixture is retarded during cold startup. At the same time, it is determined whether or not the air-fuel ratio of the air-fuel mixture is richer than a predetermined level, and retardation of the ignition timing is prohibited when it is richer than this predetermined level. In this way, retardation of ignition timing is prohibited when the air-fuel ratio is very rich immediately after startup. Combustion immediately after startup is therefore stable, and the discharge amount of HC is effectively reduced.
摘要翻译： 在冷启动期间，火花点火发动机的燃料供给量增加并且空燃混合物的点火正时被延迟。 同时，确定空燃比混合物的空燃比是否比预定水平更丰富，并且当比该预定水平更浓时，禁止点火正时的延迟。 以这种方式，当起动后立即空燃比非常大时，禁止点火正时的延迟。 启动后立即燃烧稳定，HC的排出量有效降低。
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公开(公告)号：US5152137A
公开(公告)日：1992-10-06
申请号：US750562
申请日：1991-08-27
申请人： Kimiyoshi Nishizawa
发明人： Kimiyoshi Nishizawa
CPC分类号： F02D35/0038 , F01N3/22 , F01N9/00 , F01N2430/06 , F01N2900/0422 , Y02T10/22 , Y02T10/47
摘要： During engine idling, secondary air is introduced into the exhaust conduit at a location upstream of a three-way catalytic converter in order to promote the oxidation of HC and CO. During the supply of secondary air, the output of an air-fuel ratio sensor, which is disposed downstream of the catalytic converter and which is normally used to correct the control provided by an air-fuel ratio sensor located upstream of the catalytic converter and the supply of secondary air, is ignored during the time secondary air is supplied and for a period after the supply of secondary air is stopped.
摘要翻译： 在发动机怠速期间，二次空气在三通催化转化器上游的位置被引入排气管道，以促进HC和CO的氧化。在二次空气供给期间，空燃比传感器 ，其设置在催化转化器的下游，并且通常用于校正由位于催化转化器上游的空燃比传感器提供的控制和二次空气的供应，在供给二次空气期间被忽略，并且 二次空气供应停止后的一段时间。
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54.发明授权
公开(公告)号：US5094074A
公开(公告)日：1992-03-10
申请号：US652077
申请日：1991-02-08
CPC分类号： F01N3/2867 , F01N3/2026 , F01N3/281 , F01N3/2857 , F01N2330/02 , F01N2330/04 , Y02T10/26 , Y10T29/49345 , Y10T428/24149
摘要： A catalytic converter for purifying exhaust gas from an automotive vehicle engine. The catalytic converter is composed of a metallic carrier for catalyst metal, disposed inside a casing. The metallic carrier is constructed of a main sheet metal structure which is formed by turning up an elongate flat sheet metal in a zigzag manner in cross-section, so that the main sheet metal structure has a plurality of parallel flat portions. The adjacent flat portions define therebetween a space. The main sheet metal structure is coated over all of its surfaces with an electrically insulative alumina layer. A plurality of corrugated sheet metal spacers are disposed and secured in the respective spaces thereby to define fine gas passages through which exhaust gas flows. Thus, the main sheet metal structure is electrically insulated from the corrugated sheet metal spacers, so that electric current is passed only through the main sheet metal structure. The main sheet metal structure serves as a heater element for promoting activation of the catalyst metal.
摘要翻译： 一种用于净化机动车辆发动机废气的催化转化器。 催化转化器由催化剂金属的金属载体组成，设置在壳体内。 金属载体由主金属板结构构成，该主金属板结构通过以锯齿形的方式在横截面上卷起细长的平板金属而形成，使得主金属板结构具有多个平行的平坦部分。 相邻的平坦部分之间限定了一个空间。 主要金属片结构在其所有表面上涂覆有电绝缘氧化铝层。 多个波纹金属间隔件被设置并固定在各个空间中，从而限定废气流过的细小的气体通道。 因此，主金属板结构与波纹金属间隔件电绝缘，使得电流仅通过主金属板结构。 主要的金属板结构用作促进催化剂金属活化的加热元件。
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公开(公告)号：US4909994A
公开(公告)日：1990-03-20
申请号：US216645
申请日：1988-07-08
IPC分类号： F01N3/28
CPC分类号： F01N3/2842 , F01N2330/02
摘要： A catalytic element is encased in a shell in such a way as to be held tightly between shell halves but not fixed to same. A pair of stoppers for preventing endwise movement of the catalytic element is provided to the shell. A predetermined clearance is provided between each of the stoppers and each end of the catalytic element so as to allow such movement of the catalytic element relative to the shell that results from a thermal expansion differential between the catalytic element and the shell.
摘要翻译： 催化元件以壳体的形式被封装在外壳中，而不被固定在壳体之间。 一个用于防止催化元件终端运动的止动件被提供到外壳。 在每个止挡件和催化元件的每个端部之间提供预定的间隙，以便允许催化元件相对于由催化元件和壳体之间的热膨胀差异导致的壳体的移动。
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公开(公告)号：US08899204B2
公开(公告)日：2014-12-02
申请号：US13809655
申请日：2011-06-29
CPC分类号： F02N15/00 , B60R16/0207 , F02N11/0814 , F02N11/0862 , F02N11/087 , F02N2250/02 , Y10T29/49194
摘要： The total length of starter harness 7 for exclusive use for connecting a starter for an engine and plus-side terminal 4a of in-vehicle battery 4 is increased by providing a surplus redundant segment 21 to increase resistance in harness 7 beyond length required for laying the harness in an engine room. Redundant segment 21 is collected in a form of rod by forming a two-fold portion by folding a portion of the single continuous harness 7, and further folding the two-fold portion twice, and fixed through harness holder 23 to bracket 22 of battery tray 25. Without using a resistor receiving limitation of the heat resistance, it is possible to suppress a voltage drop at the time of restart, problematical in a vehicle having an idle-stop function. A required resistance is obtained by increasing the length redundantly, so that a temperature increase of harness 7 is small.
摘要翻译： 用于连接发动机起动器和车载蓄电池4的正侧端子4a的起动器线束7的总长度通过提供多余的冗余部分21来增加，以增加线束7中的阻力超过放置所需的长度 在一个发动机室里。 通过折叠单个连续线束7的一部分，通过形成双重部分来将冗余部分21收集成杆的形式，并进一步折叠两部分两次，并通过线束保持器23固定到电池托盘的支架22上 在不使用接受耐热性的电阻的电阻器的情况下，可以抑制重启时的电压降，在具有怠速停止功能的车辆中是有问题的。 通过冗长地增加长度来获得所需的电阻，使得线束7的温度升高小。
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公开(公告)号：US08722572B2
公开(公告)日：2014-05-13
申请号：US13147479
申请日：2010-01-12
申请人： Hiroshi Kodama , Kimiyoshi Nishizawa , Hiroshi Tanabe , Akio Sano , Misao Oinuma
发明人： Hiroshi Kodama , Kimiyoshi Nishizawa , Hiroshi Tanabe , Akio Sano , Misao Oinuma
CPC分类号： B21D53/84 , B01J35/04 , B01J37/0225 , B21D5/10 , F01N3/2821 , F01N2330/04
摘要： A metal catalyst substrate 1 is equipped with a honeycomb body 2 in which a corrugated metal foil 4 and a flat metal foil 5 are multiply rolled, their leader portions being overlapped with each other. A restricting portion 8 is formed at a core portion 7 of the honeycomb body 2 by a portion of the core portion being deformed to restrict flow of exhaust gas in a core portion 7.
摘要翻译： 金属催化剂基板1具有波纹状金属箔4和扁平金属箔5多层轧制的蜂窝体2，其前端部彼此重叠。 在芯部的一部分变形的情况下，在蜂窝体2的芯部7形成限制部8，从而限制芯部7内的废气流。
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公开(公告)号：US20130112165A1
公开(公告)日：2013-05-09
申请号：US13809655
申请日：2011-06-29
IPC分类号： F02N15/00
CPC分类号： F02N15/00 , B60R16/0207 , F02N11/0814 , F02N11/0862 , F02N11/087 , F02N2250/02 , Y10T29/49194
摘要： The total length of starter harness 7 for exclusive use for connecting a starter for an engine and plus-side terminal 4a of in-vehicle battery 4 is increased by providing a surplus redundant segment 21 to increase resistance in harness 7 beyond length required for laying the harness in an engine room. Redundant segment 21 is collected in a form of rod by forming a two-fold portion by folding a portion of the single continuous harness 7, and further folding the two-fold portion twice, and fixed through harness holder 23 to bracket 22 of battery tray 25. Without using a resistor receiving limitation of the heat resistance, it is possible to suppress a voltage drop at the time of restart, problematical in a vehicle having an idle-stop function. A required resistance is obtained by increasing the length redundantly, so that a temperature increase of harness 7 is small.
摘要翻译： 用于连接发动机起动器和车载蓄电池4的正侧端子4a的起动器线束7的总长度通过提供多余的冗余部分21来增加，以增加线束7中的阻力超过放置所需的长度 在一个发动机室里。 通过折叠单个连续线束7的一部分，通过形成双重部分来将冗余部分21收集成杆的形式，并进一步折叠两部分两次，并通过线束保持器23固定到电池托盘的支架22上 在不使用接受耐热性的电阻的电阻器的情况下，可以抑制重启时的电压降，在具有怠速停止功能的车辆中是有问题的。 通过冗长地增加长度来获得所需的电阻，使得线束7的温度升高小。
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公开(公告)号：US07891173B2
公开(公告)日：2011-02-22
申请号：US12026709
申请日：2008-02-06
申请人： Motoharu Akaba , Suki I , Takao Inoue , Kimiyoshi Nishizawa
发明人： Motoharu Akaba , Suki I , Takao Inoue , Kimiyoshi Nishizawa
IPC分类号： F01N3/00
CPC分类号： F01N3/2053 , F01N3/0814 , F01N3/0835 , F01N3/106 , F01N11/007 , F01N13/009 , F01N13/0093 , F01N2560/025 , F01N2560/14 , F01N2900/0422 , F02D41/0255 , Y02T10/26 , Y02T10/47
摘要： An exhaust gas cleaning apparatus is provided that has a main exhaust passage, a main catalytic converter disposed in the main exhaust passage, a bypass exhaust passage, a bypass catalytic converter disposed in the bypass exhaust passage, a selector valve and a controller. The controller controls the internal combustion engine to a rich combustion state with a rich air fuel ratio while the controller controls the selector valve to block the flow of the exhaust gas through the main exhaust passage, and then, afterwards, controls the selector valve to direct the flow of the exhaust gas through the main exhaust passage such that residual air remaining in the main exhaust passage mixes with rich exhaust gas from the bypass exhaust passage.
摘要翻译： 本发明提供一种排气净化装置，其具有：主排气通道，设置在主排气通道中的主催化转化器，旁通排气通道，旁通排气通路中的旁通催化转化器，选择阀和控制器。 控制器控制内燃机具有丰富的空燃比的丰富的燃烧状态，同时控制器控制选择阀阻挡排气通过主排气通道的流动，然后控制选择阀直接 废气通过主排气通道的流动，使得残留在主排气通道中的残留空气与来自旁路排气通道的富排气混合。
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公开(公告)号：US07726119B2
公开(公告)日：2010-06-01
申请号：US11145962
申请日：2005-06-07
申请人： Sungi I , Takao Inoue , Kimiyoshi Nishizawa , Shunichi Mitsuishi
发明人： Sungi I , Takao Inoue , Kimiyoshi Nishizawa , Shunichi Mitsuishi
IPC分类号： F01N3/00
CPC分类号： F01N3/2053 , F01N3/101 , F01N13/009 , F01N13/0093 , F01N13/10 , Y02T10/22
摘要： A plurality of upstream main exhaust passages extend from cylinders of an engine. A downstream main exhaust passage is connected to the upstream main exhaust passages. A main catalytic converter is mounted in the downstream main exhaust passage. A plurality of upstream bypass exhaust passages extend from the upstream main exhaust passages. Each upstream bypass exhaust passage has a sectional area smaller than that of the corresponding upstream main exhaust passage. A downstream bypass exhaust passage is connected to the upstream bypass exhaust passages and has a downstream end connected to the downstream main exhaust passage at a position upstream of the main catalytic converter. An auxiliary catalytic converter is mounted in the downstream bypass exhaust passage. A gas flow switching device is provided which is capable of forcing the exhaust gas from the cylinders of the engine to flow toward the upstream bypass exhaust passages when assuming a given operation position.
摘要翻译： 多个上游主排气通道从发动机的气缸延伸。 下游主排气通道连接到上游主排气通道。 主催化转化器安装在下游主排气通道中。 多个上游旁通排气通道从上游主排气通道延伸。 每个上游旁通排气通道的截面面积小于相应的上游主排气通道的截面面积。 下游旁路排气通道连接到上游旁通排气通道，并且在主催化转化器上游的位置处具有连接到下游主排气通道的下游端。 辅助催化转化器安装在下游旁路排气通道中。 提供了一种气体切换装置，其能够在假设给定的操作位置时迫使来自发动机的气缸的废气朝向上游旁通排气通道流动。
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