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公开(公告)号：US4175523A
公开(公告)日：1979-11-27
申请号：US890901
申请日：1978-03-27
CPC分类号： F02M27/02 , F02M26/56 , F02M2026/009
摘要： An internal combustion engine is provided with an EGR system and a system for catalytic coversion of a rich air-fuel mixture into a reformed combustible gaseous mixture rich with free hydrogen. During a low or medium engine load engine operation, the engine is operated solely by an air-gasoline mixture and with an exhaust gas recirculation at a rate not higher than a predetermined first EGR rate. During a high engine load engine operation, the reformed combustible gaseous mixture is added to the air-gasoline mixture supply and simultaneously the exhaust gas recirculation is increased to a rate higher than the predetermined first EGR rate to increase the engine output, improve the engine drivability and improve the consumption of the reformed combustible gaseous mixture. The intake manifold vacuum is electrically detected to determine the load on the engine and to control valves associated with the EGR system and reformed gas supply system.
摘要翻译： 内燃机设置有EGR系统和用于将富空燃混合物催化转化成富含游离氢的重整可燃气体混合物的系统。 在低或中等发动机负载发动机运行期间，发动机仅由空气 - 汽油混合物和排气再循环以不高于预定的第一EGR率的速率运行。 在高发动机负载发动机运转期间，将重整的可燃气体混合物加入到空气 - 汽油混合物供应中，同时排气再循环增加到比预定的第一EGR率高的速率以增加发动机的输出，提高发动机的运转性能 并改善可燃气体混合物的消耗。 电气检测进气歧管真空以确定发动机上的负载并控制与EGR系统和重整气体供应系统相关联的阀。
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公开(公告)号：US4230072A
公开(公告)日：1980-10-28
申请号：US31158
申请日：1979-04-18
CPC分类号： F02M13/08 , F02B1/02 , F02B19/1023 , F02D19/0631 , F02D19/0644 , F02D19/0655 , F02D19/0671 , F02D19/081 , F02D41/1446 , F02M27/02 , F02B1/04 , Y02T10/125 , Y02T10/36
摘要： An internal combustion engine has a primary fuel circuit for producing a lean mixture of air and hydrocarbon fuel to be fed into a combustion chamber and a secondary fuel circuit which includes a secondary carburetor for producing a mixture of air and methanol at an air-methanol ratio of less than 2.0. The air-methanol mixture is fed into a reactor vessel having therein a catalyst bed which is heated to facilitate reaction between the components of the air-methanol mixture. By the reaction the air-methanol mixture is converted into a reformed gaseous mixture rich with hydrogen which is then mixed with an air-hydrocarbon fuel mixture to form a composite mixture to be supplied into the combustion chamber. The existence of hydrogen in the composite mixture assures reliable spark-ignition and stable combustion of the composite mixture which is of a very large air-fuel ratio as calculated in terms of air-gasoline ratio, to thereby reduce the emission of harmful components of engine exhaust gas and improve the fuel consumption.
摘要翻译： 一种内燃机具有用于产生供给到燃烧室中的空气和碳氢化合物燃料的稀混合物的主要燃料回路和二次燃料回路，该二次燃料回路包括二次化油器，用于以空气 - 甲醇比生成空气和甲醇的混合物 小于2.0。 将空气 - 甲醇混合物进料到其中具有催化剂床的反应容器中，该催化剂床被加热以促进空气 - 甲醇混合物的组分之间的反应。 通过反应，将空气 - 甲醇混合物转化为富含氢气的重整气体混合物，然后与空气 - 烃燃料混合物混合，形成供入燃烧室的复合混合物。 复合混合物中氢的存在确保复合混合物的可靠的火花点火和稳定的燃烧，其按照空气 - 汽油比计算具有非常大的空燃比，从而减少发动机有害成分的排放 废气，提高燃油消耗。
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公开(公告)号：US4074661A
公开(公告)日：1978-02-21
申请号：US657289
申请日：1976-02-11
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
CPC分类号： F02B51/02 , F02B19/1066 , F02M27/02 , F02M31/163 , Y02T10/125 , Y02T10/126
摘要： A system for converting a rich air-fuel mixture into a reformed gaseous mixture containing hydrogen forms a part of an intake system of an internal combustion engine. The system includes an intake passage divided by a dividing wall into a first and a second sub-passages for receiving relatively lean and rich parts of the rich air-fuel mixture, respectively. The first sub-passage has a sparking plug for igniting and burning the relatively lean part of the mixture to produce heat which is transferred by the dividing wall and, as occasion demands, by a heat exchanger to the relatively rich part of the mixture flowing through the second sub-passage in order that a part of the fuel is converted into reformed gaseous mixture and the remainder of the fuel is effectively vaporized. Thereafter the rich air-fuel mixture is directed to a catalyst bed disposed downstream of the first and the second sub-passages and subjected to the fuel reformation operation, wherein the fully vaporized fuel is completely converted into reformed gaseous mixture. The sub-passages and the catalyst bed are disposed in the system upstream of a throttle valve, whereby the system is protected from variation in the vacuum produced in the intake system of the engine and thus is reliably operative to produce the reformed gaseous mixture.
摘要翻译： 用于将富空燃混合物转化为含氢气的重整气体混合物的系统形成内燃机的进气系统的一部分。 该系统包括由分隔壁分成进入第一和第二子通道的进气通道，用于分别接收富空燃料混合物的相对稀薄和富含部分。 第一子通道具有用于点燃和燃烧混合物的较薄部分的火花塞，以产生由分隔壁转移的热量，并且根据需要，通过热交换器流向流过的混合物的较浓的部分 第二子通道，以使燃料的一部分转化为重整气体混合物，并且剩余的燃料被有效地蒸发。 此后，将富空燃混合物引导到设置在第一和第二子通道下游的催化剂床，并进行燃料重整操作，其中完全蒸发的燃料完全转化为重整气体混合物。 副通道和催化剂床设置在节气门上游的系统中，从而保护系统不受发动机进气系统中产生的真空变化，从而可靠地操作以产生重整气体混合物。
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公开(公告)号：US4147136A
公开(公告)日：1979-04-03
申请号：US637413
申请日：1975-12-03
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
CPC分类号： F02B51/02 , F02B43/08 , F02M27/02 , Y02T10/126 , Y02T10/32
摘要： A fuel reforming system for an internal combustion engine has a fuel reforming reactor to be supplied with a hydrocarbon fuel. The reactor contains a catalyst carrier and a catalyst thereon to be heated for facilitating a conversion of the fuel into a reformed gaseous mixture rich with hydrogen which mixture is to be fed into the engine. The catalyst is periodically alternately exposed to the fuel and air so that carbon produced and deposited on the catalyst during the fuel reforming reaction facilitated by the catalyst is burnt away from the catalyst carrier and the catalyst thereon whereby the catalytic performance of the catalyst is restored to ensure a prolonged operative life thereof. The reformed gaseous mixture assures a reliable ignition and combustion of a mixture thereof with air in the engine at a very lean air-fuel ratio to advantageously decrease the emission of harmful components of engine exhaust gas.
摘要翻译： 用于内燃机的燃料重整系统具有供给烃燃料的燃料重整反应器。 该反应器含有催化剂载体和催化剂，待加热以促进将燃料转化成富含氢的重整气体混合物，该混合物将被供给到发动机中。 催化剂周期性地交替地暴露于燃料和空气中，使得在由催化剂促进的燃料重整反应期间产生并沉积在催化剂上的碳被从催化剂载体和催化剂上烧掉，催化剂的催化性能恢复到 确保其延长的使用寿命。 重整的气体混合物以非常稀的空气燃料比可靠地点燃和燃烧其与发动机中的空气的混合物，以有利地减少发动机废气的有害成分的排放。
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公开(公告)号：US4131086A
公开(公告)日：1978-12-26
申请号：US596743
申请日：1975-07-17
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
CPC分类号： F02M27/02 , C01B3/38 , C01B3/388 , Y10S123/12
摘要： A fuel reforming apparatus for use with an internal combustion engine, comprising hydrocarbon fuel supply means for producing a mixture of hydrocarbon fuel with air in a suitable air-fuel ratio, a burning chamber in which the mixture is ignited and burned, and a reactor which is packed with a catalyst adapted to carry out the catalytic reforming, with the aid of the heat of the combustion gases discharged out of the burning chamber, of the hydrocarbon fuel including little air to produce a reformed gas rich with hydrogen.
摘要翻译： 一种与内燃机一起使用的燃料重整装置，包括用于产生烃燃料与合适的空燃比的空气的混合物的碳氢化合物燃料供给装置，混合物被点燃和燃烧的燃烧室，以及反应器 填充有适于在借助于从燃烧室排出的燃烧气体的热量下进行催化重整的催化剂，包括少量空气的烃燃料产生富含氢气的重整气体。
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公开(公告)号：US4122802A
公开(公告)日：1978-10-31
申请号：US725521
申请日：1976-09-22
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
摘要： A fuel reforming system for an internal combustion engine comprises a fuel circuit connected at its downstream end to the engine and including a carburetor for producing a rich air-fuel mixture and a fuel reforming reactor vessel containing a catalyst for facilitating a catalytic reformation of the mixture into a reformed gaseous mixture rich with free hydrogen. The carburetor is provided with an air intake passage having a venturi into which a nozzle feeds the fuel from a float chamber to produce an air-fuel mixture. The nozzle has an open-bottomed end providing a fuel-metering orifice. A needle valve is movably mounted on the float chamber to control the cross-sectional area of the fuel-metering orifice in the nozzle in accordance with the temperature in the engine or the reactor vessel, whereby the air-fuel ratio of the air-fuel mixture produced by the carburetor is adjusted according to the engine or reactor vessel temperature.
摘要翻译： 用于内燃机的燃料重整系统包括在其下游端连接到发动机并且包括用于生产富空燃混合物的化油器和含有促进混合物的催化重整的催化剂的燃料重整反应器容器的燃料回路 成为富含游离氢的重整气态混合物。 化油器设置有具有文丘里管的进气通道，喷嘴从浮子室向燃料供给燃料以产生空气 - 燃料混合物。 喷嘴具有提供燃料计量孔的开口端。 针阀可移动地安装在浮子室上，以根据发动机或反应堆容器中的温度控制喷嘴中的燃料计量孔的横截面面积，由此空气燃料的空燃比 由化油器生产的混合物根据发动机或反应器容器温度进行调节。
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公开(公告)号：US4143620A
公开(公告)日：1979-03-13
申请号：US723907
申请日：1976-09-16
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
IPC分类号： F02B1/02 , F02B1/04 , F02B43/10 , F02B51/02 , F02M17/00 , F02M23/10 , F02M27/02 , F02B43/08 , F02M13/06
CPC分类号： F02B51/02 , F02B1/02 , F02B43/10 , F02M23/10 , F02M27/02 , F02B1/04 , Y02T10/126 , Y02T10/146 , Y02T10/32
摘要： A fuel reforming system for an internal combustion engine comprises a fuel circuit connected at its downstream end to the engine and including a carburetor for producing a rich air-fuel mixture and a fuel reforming reactor vessel containing a catalyst for facilitating a catalytic reformation of the mixture into a reformed gaseous mixture rich with free hydrogen. The carburetor is provided with a primary air intake passage with a venturi into which air and fuel are fed to produce a rich air-fuel mixture. The carburetor is also provided with a secondary air intake passage bypassing the venturi and connected to the fuel circuit downstream of the venturi. A valve is provided on the carburetor to control the cross-sectional area of the secondary air intake passage in accordance with the temperature in the engine or the reactor vessel, by the carburetor is adjusted according to the engine or reactor vessel temperature.
摘要翻译： 用于内燃机的燃料重整系统包括在其下游端连接到发动机并且包括用于生产富空燃混合物的化油器的燃料回路和包含促进混合物的催化重整的催化剂的燃料重整反应器容器 成为富含游离氢的重整气态混合物。 化油器设置有一个具有文氏管的一次进气通道，空气和燃料被供入空气和燃料以产生浓的空气 - 燃料混合物。 化油器还设有旁通文丘里管并连接到文丘里管下游的燃料回路的二次进气通道。 在化油器上设有一个阀，以根据发动机或反应堆容器中的温度控制二次进气通道的横截面面积，根据发动机或反应堆容器的温度调节化油器。
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公开(公告)号：US4036180A
公开(公告)日：1977-07-19
申请号：US663470
申请日：1976-03-03
申请人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
发明人： Masaaki Noguchi , Tsuchio Bunda , Taro Tanaka
摘要： A system for converting a rich air-fuel mixture to a reformed gaseous mixture containing hydrogen and for feeding the reformed gaseous mixture to an internal combustion engine comprises a carburetor for producing the rich air-fuel mixture, a vortex combustion type burner for imperfectly burning the mixture to produce heat and partially oxidized gaseous mixture, and a reactor vessel provided therein with a catalyst bed of annular cross-section. The partially oxidized gaseous mixture flows radially inwardly through the catalyst bed into a central passage defined by the annular catalyst bed so that the partially oxidized gaseous mixture is completely converted into the reformed gaseous mixture during the passage through the catalyst bed.
摘要翻译： 用于将富空燃混合物转化为含氢的重整气态混合物并将重整气体混合物供入内燃机的系统包括用于生产富空燃混合物的化油器，用于不完全燃烧的涡流燃烧式燃烧器 混合物以产生热和部分氧化的气体混合物，以及其中设置有具有环形横截面的催化剂床的反应器容器。 部分氧化的气体混合物通过催化剂床径向向内流动到由环形催化剂床限定的中心通道中，使得部分氧化的气体混合物在通过催化剂床期间完全转化为重整气体混合物。
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公开(公告)号：US4089310A
公开(公告)日：1978-05-16
申请号：US674876
申请日：1976-04-08
CPC分类号： F02D41/1439 , F02B1/06 , F02D41/1475
摘要： In an internal combustion engine having a plurality of sequentially operative combustion chambers, harmful components in exhaust gases are reduced. At least one of the combustion chambers is supplied with a rich mixture having a smaller air-to-fuel ratio than the stoichiometric air-to-fuel ratio and the remaining combustion chambers are fed with a lean mixture whose air-to-fuel ratio is greater than the stoichiometric air-to-fuel ratio. At the point where the exhaust gases emitted from the combustion chambers gather, the total air-to-fuel ratio of the rich and lean mixtures is detected producing a signal representing the total air-to-fuel ratio. One of the rich and lean mixtures is controlled in accordance with the air/fuel ratio signal to maintain the total air-to-fuel ratio practically at a predetermined value.
摘要翻译： 在具有多个顺序操作的燃烧室的内燃机中，废气中的有害成分减少。 向燃烧室中的至少一个供给具有比理论空燃比更小的空气 - 燃料比的富混合物，并且剩余的燃烧室供给空气与燃料比为 大于化学计量空气 - 燃料比。 在从燃烧室排出的废气聚集的地方，检测到富和贫混合物的总空燃比，产生表示总空燃比的信号。 丰富和贫乏的混合物之一根据空气/燃料比信号进行控制，以将总空气燃料比实际上保持在预定值。
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公开(公告)号：US4086885A
公开(公告)日：1978-05-02
申请号：US755583
申请日：1976-12-30
IPC分类号： F02B19/10 , F02M3/045 , F02M13/04 , F02M17/08 , F02M31/04 , F02M35/108 , F02B3/00 , F02B75/02
CPC分类号： F02B17/00 , F02B19/1066 , F02M13/046 , F02M17/08 , F02M3/045 , F02M31/047 , F02M35/10196 , F02M35/108 , F02B2275/34 , Y02T10/125 , Y02T10/126
摘要： A carburetor for an internal combustion engine of the stratified combustion type supplies a rich air-fuel mixture in the neighborhood of the ignition plug in each cylinder and a lean air-fuel mixture in the remaining space in the cylinder. The carburetor comprises an air horn, a fuel jet having a nozzle open to the air horn, and main and auxiliary ducts branching from the air horn downstream of the fuel nozzle and extending parallel to each other. Air-fuel mixture produced from both air introduced into the air horn and fuel supplied from the fuel jet is led to both the main and auxiliary ducts. At this time, the rich air-fuel mixture is collected in the auxiliary duct, which is closer to the fuel nozzle, and lean air-fuel mixture is collected in the main duct, which is spaced further from the fuel nozzle. The main and auxiliary ducts are respectively provided with main and auxiliary throttle valves, which are controlled by the accelerator pedal.
摘要翻译： 用于分层燃烧型内燃机的化油器在每个气缸内的火花塞附近提供浓空气燃料混合物，并在气缸的剩余空间中提供稀薄的空气 - 燃料混合物。 化油器包括空气喇叭，具有与空气喇叭相通的喷嘴的燃料喷射器以及从燃料喷嘴下游的空气喇叭分支并且彼此平行延伸的主和辅助管道。 从引入空气喇叭的两个空气产生的空气燃料混合物和从燃料射流供给的燃料被引导到主管道和辅助管道。 此时，富空燃混合物被收集在更靠近燃料喷嘴的辅助管道中，稀空燃混合物被收集在与燃料喷嘴间隔开的主管道中。 主管和辅助管分别设有主加油踏板控制的主节流阀和辅助节流阀。
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