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公开(公告)号：US20180171889A1
公开(公告)日：2018-06-21
申请号：US15385313
申请日：2016-12-20
申请人： Caterpillar Inc.
发明人： Scott B. Fiveland
CPC分类号： F02D19/061 , F02B75/12 , F02B75/22 , F02B2075/125 , F02B2201/06 , F02D19/0628 , F02D19/105 , F02D41/0025 , F02D41/0027 , F02D41/0082 , F02D41/3017 , F02D41/3094 , F02D2200/0614 , F02D2200/1002 , F02D2200/101
摘要： An engine having at least a primary and secondary fuel supplies is configured to operate by determining a fueling mode for each of first and second groupings of cylinders, independently. A method, therefore, for operating the engine includes monitoring engine operating parameters with an electronic controller, determining an engine operating point based on the engine operating parameters, calculating a first operating mode of a first cylinder grouping based on the engine operating point, calculating a second operating mode of a second cylinder grouping based on the engine operating point, and selectively activating at least one of a diesel injector, a gaseous fuel injector and a spark device in each engine cylinder separately and selectively for each cylinder of the first and second cylinder grouping based on the engine operating point.
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公开(公告)号：US20180163614A1
公开(公告)日：2018-06-14
申请号：US15377049
申请日：2016-12-13
CPC分类号： F02B37/16 , F02D19/105 , F02D41/0007 , F02D41/0025 , F02D41/1446 , Y02T10/144 , Y02T10/36
摘要： Various methods and systems are provided for adjusting an amount of intake airflow diverted away from an intake manifold and to atmosphere in response to a temperature of exhaust entering a turbocharger turbine and a target pre-turbine temperature. In one example, an amount of intake airflow entering engine cylinders, and thus an air-fuel ratio entering the engine cylinders, may be controlled to maintain the temperature of exhaust entering the turbocharger turbine at the target pre-turbine temperature.
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公开(公告)号：US09926861B2
公开(公告)日：2018-03-27
申请号：US15032260
申请日：2014-09-16
申请人： L'ORANGE GMBH
发明人： Markus Kalenborn
CPC分类号： F02D19/105 , F02D19/0684 , F02D19/0689 , F02D19/0692 , F02D19/0694 , F02M21/0251 , F02M21/0263 , F02M43/04 , F02M47/027 , F02M55/002 , F02M2200/16 , Y02T10/32 , Y02T10/36
摘要： A dual-fuel injection system having a combustion gas-supply device and a liquid fuel-supply device, including a combustion gas-injector unit with a liquid fuel-control part and a gas nozzle part, to which combustion gas can be supplied. The stroke of a gas nozzle needle of the combustion gas-injector unit can be controlled by liquid fuel supplied to the liquid fuel-control part. The combustion gas-injector unit defines a leakage collecting space, via which a leakage path is lead, the leakage path extending from the liquid fuel-control part into the gas nozzle part. The dual-fuel injection system has a pressure-regulating device, by which a defined pressure level can be set in the leakage collecting space. An implementation method using such a dual-fuel injection system is also proposed.
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公开(公告)号：US09845774B2
公开(公告)日：2017-12-19
申请号：US14600736
申请日：2015-01-20
发明人： Alexis Gruschow , Leslie Orin Trask , Eric Richard Dillen , John Stephen Roth , Matthew Joseph Felion
IPC分类号： F01P9/00 , F02M35/10 , F02M35/16 , F02M21/04 , F02M21/02 , F02M35/116 , F02D19/10 , F02D41/00 , F01P3/20 , F01P7/14 , F01P11/04 , F01P11/06 , F02F1/24 , F02B75/22 , F02B75/18 , F02M26/05
CPC分类号： F02M35/10288 , F01P3/20 , F01P11/04 , F01P11/06 , F01P2007/146 , F01P2060/08 , F01P2060/10 , F02B75/22 , F02B2075/1848 , F02B2201/064 , F02D19/105 , F02D41/0027 , F02F1/24 , F02M21/023 , F02M21/0278 , F02M21/0281 , F02M21/029 , F02M21/04 , F02M21/042 , F02M26/05 , F02M35/10144 , F02M35/10262 , F02M35/10268 , F02M35/10321 , F02M35/10347 , F02M35/112 , F02M35/116 , F02M35/164 , F05C2225/08 , Y02T10/146 , Y02T10/32 , Y02T10/36
摘要： Various methods and systems are provided for an intake manifold for an engine. In one example, an insert comprises an annular body having a top surface, bottom surface, inner surface, and outer surface. The insert further comprises a first groove for coupling an intake air port of an intake manifold to a cylinder head, a second groove for circulating gaseous fuel received from a gas runner of the intake manifold, and one or more openings to fluidically couple the second groove to an interior of the intake air port. The insert is configured to mix gaseous fuel and intake air at a coupling location between the intake manifold and the cylinder head.
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公开(公告)号：US20170122226A1
公开(公告)日：2017-05-04
申请号：US15334632
申请日：2016-10-26
申请人： CUMMINS INC.
发明人： Timothy P. Lutz
CPC分类号： B01D53/9495 , B01D53/944 , B01D2251/208 , F01N3/103 , F01N2430/085 , F01N2900/1602 , F02D19/061 , F02D19/0689 , F02D19/0692 , F02D19/081 , F02D19/105 , F02D41/0025 , F02D41/0027 , F02D41/402 , F02D2041/389 , Y02T10/36 , Y02T10/44
摘要： A method includes supplying a first quantity of a first fuel to an engine and supplying a charge including a second fuel and air to the engine. The first fuel is different from the second fuel. The method further includes mixing the first fuel with the charge, supplying a second quantity of the first fuel to the engine, and igniting at least a portion of the first and second fuels in response to supplying the second quantity of the first fuel.
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公开(公告)号：US20160245194A1
公开(公告)日：2016-08-25
申请号：US15032260
申请日：2014-09-16
申请人： L'ORANGE GMBH
发明人： Markus KALENBORN
CPC分类号： F02D19/105 , F02D19/0684 , F02D19/0689 , F02D19/0692 , F02D19/0694 , F02M21/0251 , F02M21/0263 , F02M43/04 , F02M47/027 , F02M55/002 , F02M2200/16 , Y02T10/32 , Y02T10/36
摘要： A dual-fuel injection system having a combustion gas-supply device and a liquid fuel-supply device, including a combustion gas-injector unit with a liquid fuel-control part and a gas nozzle part, to which combustion gas can be supplied. The stroke of a gas nozzle needle of the combustion gas-injector unit can be controlled by liquid fuel supplied to the liquid fuel-control part. The combustion gas-injector unit defines a leakage collecting space, via which a leakage path is lead, the leakage path extending from the liquid fuel-control part into the gas nozzle part. The dual-fuel injection system has a pressure-regulating device, by which a defined pressure level can be set in the leakage collecting space. An implementation method using such a dual-fuel injection system is also proposed.
摘要翻译： 一种具有燃烧气体供给装置和液体燃料供给装置的双燃料喷射系统，包括具有液体燃料控制部和燃气喷嘴部的燃烧气体注入单元，能够供给燃烧气体。 燃烧气体 - 喷射器单元的气体喷嘴针的行程可以由供应到液体燃料控制部分的液体燃料控制。 燃烧气体喷射器单元限定泄漏收集空间，泄漏路径通过该泄漏收集空间，泄漏路径从液体燃料控制部分延伸到气体喷嘴部分。 双燃料喷射系统具有压力调节装置，通过该调压装置可以在泄漏收集空间中设定限定的压力水平。 还提出了使用这种双燃料喷射系统的实施方法。
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公开(公告)号：US09422893B2
公开(公告)日：2016-08-23
申请号：US14115964
申请日：2011-05-13
申请人： Naoki Suzuki , Isamu Goto , Masahiko Masubuchi
发明人： Naoki Suzuki , Isamu Goto , Masahiko Masubuchi
CPC分类号： F02M25/00 , F02D19/061 , F02D19/0692 , F02D19/105 , F02D35/02 , F02D35/023 , F02D41/0025 , F02D41/0027 , F02D41/403 , F02M21/0281 , Y02T10/36 , Y02T10/44
摘要： The present invention resides in a control apparatus for an internal combustion engine in which selective use is made of a case where a first fuel, being easy to be ignited, is caused to combust by itself, and a case where a second fuel, being hard to be ignited, is also caused to combust by igniting the first fuel, and which is provided with an acquisition unit configured to acquire a combustion state of the second fuel in the case where the second fuel is also caused to combust by igniting the first fuel, and a decision unit configured to decide amounts of supply of the first fuel and the second fuel to be supplied to the internal combustion engine on and after next time, based on the combustion state of the second fuel determined by the acquisition unit.
摘要翻译： 本发明在于一种用于内燃机的控制装置，其中选择性地使用容易点燃的第一燃料自身燃烧的情况，以及硬质的第二燃料的情况 被点燃的燃料也通过点燃第一燃料而燃烧，并且设置有采集单元，其被构造成在第二燃料也通过点燃第一燃料而燃烧的情况下获取第二燃料的燃烧状态 以及判定单元，其被配置为基于由所述获取单元确定的所述第二燃料的燃烧状态来决定在下一次和之后供给到所述内燃机的所述第一燃料和所述第二燃料的供给量。
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公开(公告)号：US09371789B2
公开(公告)日：2016-06-21
申请号：US14310521
申请日：2014-06-20
申请人： Cummins Inc.
发明人： Mark A. Rosswurm , Axel O. zur Loye
CPC分类号： F02D41/0027 , F02D19/08 , F02D19/105 , F02D41/0025 , F02D41/1446 , F02D2200/0611 , F02D2200/0802 , Y02T10/36
摘要： This disclosure provides a system and method that eliminates the need for manually calibrating or adjusting a dual fuel internal combustion engine to compensate for variations in composition of a gaseous fuel or other variations, such as ambient or site conditions. The system and method functions by determining an engine load, determining an advantageous gaseous fuel substitution rate from the engine load and speed in addition to an actual gaseous fuel substitution rate, modifying the advantageous gaseous fuel substitution rate by a minimum liquid fuel flow rate, engine protection parameters, and oxidation catalyst protection parameters, and then determining an error term in response to the modified advantageous gaseous fuel substitution rate and the actual gaseous fuel substitution rate. The error term is used to adjust a gaseous fuel control valve.
摘要翻译： 本公开提供了一种系统和方法，其消除了手动校准或调节双燃料内燃机以补偿气体燃料的组成变化或其它变化（例如环境或现场条件）的需要。 该系统和方法通过确定发动机负载，除了实际气体燃料替代速率之外，确定来自发动机负载和速度的有利的气体燃料替代速率，通过最小液体燃料流量来改变有利的气体燃料替代速率，发动机 保护参数和氧化催化剂保护参数，然后响应于改进的有利气体燃料替代速率和实际气体燃料替代速率来确定误差项。 误差项用于调节气体燃料控制阀。
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公开(公告)号：US20160169133A1
公开(公告)日：2016-06-16
申请号：US14567418
申请日：2014-12-11
申请人： CATERPILLAR INC.
CPC分类号： F02D41/0027 , F02D19/061 , F02D19/0647 , F02D19/0689 , F02D19/0692 , F02D19/105 , F02D35/023 , F02D41/0025 , F02D41/0085 , F02D41/2438 , Y02T10/36
摘要： A fuel control system for a multiple fuel internal combustion engine may include at least one cylinder pressure sensor associated with each cylinder of the engine. A data collection module may be configured to receive real-time cylinder pressure measurements from each of the at least one cylinder pressure sensors and calculate one or more actual combustion parameter values from the real-time cylinder pressure measurements. A comparison module may be configured to receive the calculated one or more actual combustion parameter values from the data collection module and compare the calculated one or more actual combustion parameter values for each cylinder to reference combustion parameter values to determine any difference therebetween, wherein the reference combustion parameter values are the same for each of the cylinders. A process control module may be configured to control fuel injection of at least two different types of fuel supplied to each cylinder in order to reduce any difference between the calculated actual combustion parameter values for each cylinder and the reference combustion parameter values.
摘要翻译： 用于多燃料内燃机的燃料控制系统可以包括与发动机的每个气缸相关联的至少一个气缸压力传感器。 数据收集模块可以被配置为从所述至少一个气缸压力传感器中的每一个接收实时气缸压力测量值，并从实时气缸压力测量值计算一个或多个实际燃烧参数值。 比较模块可以被配置为从数据收集模块接收所计算的一个或多个实际燃烧参数值，并将所计算的每个气缸的一个或多个实际燃烧参数值与参考燃烧参数值进行比较，以确定它们之间的任何差异，其中参考 燃烧参数值对于每个气缸是相同的。 过程控制模块可以被配置为控制供应到每个气缸的至少两种不同类型的燃料的燃料喷射，以便减少所计算的每个气缸的实际燃烧参数值与参考燃烧参数值之间的差异。
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公开(公告)号：US09234452B2
公开(公告)日：2016-01-12
申请号：US13474079
申请日：2012-05-17
IPC分类号： F02B27/02 , F02B45/10 , F02M21/02 , F02D19/08 , F02D19/02 , F02D19/06 , F02D19/10 , F02D41/22 , F02M63/02 , F02M43/00 , F02M37/04 , F02D41/00
CPC分类号： F02B27/02 , F02B45/10 , F02D19/027 , F02D19/0623 , F02D19/0684 , F02D19/0689 , F02D19/0694 , F02D19/08 , F02D19/105 , F02D41/0025 , F02D41/0027 , F02D41/22 , F02D2041/227 , F02M21/02 , F02M21/0215 , F02M21/0224 , F02M37/04 , F02M43/00 , F02M63/029 , Y02T10/32 , Y02T10/36 , Y02T10/40
摘要： The disclosure describes an engine system having liquid and gaseous fuel systems, each of which injects fuel directly into an engine cylinder. A controller monitors and controls engine operation in a normal mode, during which the engine produces rated power, and in a limp-home mode, which is used when an abnormal operating condition of the gaseous fuel system is present. During limp-home mode operation, the engine uses more liquid fuel and less or no gaseous fuel relative to the normal mode, and produces power that is less than rated power.
摘要翻译： 本公开描述了一种具有液体和气体燃料系统的发动机系统，每个燃料系统将燃料直接喷射到发动机气缸中。 控制器以正常模式监视和控制发动机运转，在正常模式期间，发动机产生额定功率，并且在处于气体燃料系统的异常操作状态时使用的跛行模式。 在跛行模式操作期间，发动机使用更多的液体燃料，并且相对于正常模式使用更少或不少的气体燃料，并且产生小于额定功率的功率。
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