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公开(公告)号：US10450973B2
公开(公告)日：2019-10-22
申请号：US15479448
申请日：2017-04-05
Applicant: Cummins Inc.
Inventor： Samuel C. Geckler , Madhuri Gandikota , Rajkumar Subramanian , Axel Otto zur Loye
IPC: F02D41/30 , F02D41/00 , F02D41/06 , F02M26/04 , F02M26/43 , F02M26/05 , F02M26/33 , F02M26/44 , F02M26/71 , F02M26/22 , F02B75/02 , F02B75/04 , F02D13/02 , F02D41/14 , F02D41/40 , F02D41/38 , F02M26/16 , F02M26/25
Abstract: A system includes an internal combustion engine having a number of cylinders, with at least one of the cylinders plumbed to have a complete recycle of the exhaust gases from the cylinder. The system further includes the completely recycled cylinder having an EGR stroke cycle, and the non-recycled cylinders of the engine having an exhaust stroke cycle. The system includes the EGR stroke cycle being distinct from the exhaust stroke cycle. An amount and composition of the exhaust gases from the recycled cylinder are distinct from the amount and composition of the exhaust gases from the non-recycled cylinders, at least at certain operating conditions of the engine.
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公开(公告)号：US20170234245A1
公开(公告)日：2017-08-17
申请号：US15585475
申请日：2017-05-03
Applicant: Cummins Inc.
Inventor： C. Larry Bruner , Phanindra V. Garimella , Geomy George , Timothy P. Lutz , J. Steven Kolhouse , Edmund P. Hodzen , Robert Charles Borregard , Mark A. Rosswurm , Axel Otto zur Loye
CPC classification number: F02D19/081 , F02D19/0628 , F02D19/0647 , F02D19/10 , F02D19/105 , F02D35/027 , F02D41/0025 , F02D41/0027 , F02D41/005 , F02D41/1498 , F02D41/221 , F02D2041/228 , F02D2200/0611 , Y02T10/36 , Y02T10/40
Abstract: Systems, methods and apparatus for controlling operation of dual fuel engines are disclosed that regulate the fuelling amounts provided by a first fuel and a second fuel during operation of the engine. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The fuelling amounts are controlled to improve operational outcomes of the duel fuel engine.
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公开(公告)号：US09464583B2
公开(公告)日：2016-10-11
申请号：US14174276
申请日：2014-02-06
Applicant: Cummins Inc.
Inventor： Axel Otto zur Loye , Geomy George , Timothy P. Lutz , Steven J. Kolhouse , C. Larry Bruner
IPC: F02D13/02 , F02D19/06 , F02D41/00 , F02M25/07 , F02B3/06 , F02D19/10 , F02D35/02 , F02B37/16 , F02B37/18
CPC classification number: F02D19/081 , F02B3/06 , F02B37/16 , F02B37/18 , F02B37/183 , F02D9/02 , F02D13/0215 , F02D19/0626 , F02D19/0647 , F02D19/105 , F02D35/023 , F02D35/027 , F02D41/0002 , F02D41/0007 , F02D41/0025 , F02D41/0027 , F02D2041/001 , F02M26/05 , F02M26/06 , F02M26/24 , F02M26/25 , Y02T10/18 , Y02T10/36 , Y02T10/42
Abstract: Systems and methods for controlling operation of dual fuel internal combustion engines in response to cylinder pressure based determinations are disclosed. The techniques control fuelling contributions from a first fuel source and a second fuel source to achieve desired operational outcomes in response to the cylinder pressure based determinations.
Abstract translation: 公开了用于响应于基于气缸压力的确定来控制双燃料内燃机的操作的系统和方法。 这些技术控制来自第一燃料源和第二燃料源的燃料贡献，以响应于基于汽缸压力的确定实现期望的运行结果。
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公开(公告)号：US09228536B2
公开(公告)日：2016-01-05
申请号：US14108741
申请日：2013-12-17
Applicant: Cummins Inc.
Inventor： Axel Otto zur Loye , Timothy P. Lutz
IPC: F01N3/00 , F01N3/02 , F01N3/10 , F01N3/20 , F02D19/08 , F02M21/02 , F02D41/04 , F02D41/12 , F02D13/02 , F02D19/00 , F02D41/00
CPC classification number: F02M21/0287 , F02B29/0406 , F02B37/16 , F02B37/18 , F02B37/24 , F02D13/02 , F02D19/00 , F02D41/0007 , F02D41/0025 , F02D41/045 , F02D41/12 , F02D2041/001 , F02M21/0215 , F02M26/05 , F02M26/06 , F02M26/25 , Y02T10/144 , Y02T10/32 , Y02T10/36
Abstract: Systems and methods for controlling operation of dual fuel internal combustion engines in response to a load shedding event are disclosed. The control techniques mitigate the amount of uncombusted gaseous fuel passing into the exhaust and/or aftertreatment system and reduce the rate at which uncombusted gaseous fuel enters the cylinders to reduce engine torque output and/or speed in response to the load shedding event.
Abstract translation: 公开了用于控制响应于负载脱落事件的双燃料内燃机的操作的系统和方法。 控制技术减轻了未燃气体燃料进入排气和/或后处理系统的数量，并降低了未燃气态燃料进入气缸的速度，以减少响应于负荷脱落事件的发动机转矩输出和/或速度。
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公开(公告)号：US20150167590A1
公开(公告)日：2015-06-18
申请号：US14108741
申请日：2013-12-17
Applicant: Cummins Inc.
Inventor： Axel Otto zur Loye , Timothy P. Lutz
CPC classification number: F02M21/0287 , F02B29/0406 , F02B37/16 , F02B37/18 , F02B37/24 , F02D13/02 , F02D19/00 , F02D41/0007 , F02D41/0025 , F02D41/045 , F02D41/12 , F02D2041/001 , F02M21/0215 , F02M26/05 , F02M26/06 , F02M26/25 , Y02T10/144 , Y02T10/32 , Y02T10/36
Abstract: Systems and methods for controlling operation of dual fuel internal combustion engines in response to a load shedding event are disclosed. The control techniques mitigate the amount of uncombusted gaseous fuel passing into the exhaust and/or aftertreatment system and reduce the rate at which uncombusted gaseous fuel enters the cylinders to reduce engine torque output and/or speed in response to the load shedding event.
Abstract translation: 公开了用于控制响应于负载脱落事件的双燃料内燃机的操作的系统和方法。 控制技术减轻了未燃气体燃料进入排气和/或后处理系统的数量，并降低了未燃气态燃料进入气缸的速度，以减少响应于负荷脱落事件的发动机转矩输出和/或速度。
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Patent Agency Ranking
公开(公告)号：US10815913B2
公开(公告)日：2020-10-27
申请号：US15585475
申请日：2017-05-03
Applicant: Cummins Inc.
Inventor： C. Larry Bruner , Phanindra V. Garimella , Geomy George , Timothy P. Lutz , J. Steven Kolhouse , Edmund P. Hodzen , Robert Charles Borregard , Mark A. Rosswurm , Axel Otto zur Loye
Abstract: Systems, methods and apparatus for controlling operation of dual fuel engines are disclosed that regulate the fuelling amounts provided by a first fuel and a second fuel during operation of the engine. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The fuelling amounts are controlled to improve operational outcomes of the duel fuel engine.
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7.发明授权公开(公告)号：US09103294B2
公开(公告)日：2015-08-11
申请号：US13652875
申请日：2012-10-16
Applicant: Cummins Inc.
Inventor： Vivek A. Sujan , Ashwin Vyas , Mert Geveci , Axel Otto zur Loye
CPC classification number: F02D41/1495 , F02D41/1454 , F02D41/182 , F02D41/2454
Abstract: Methods and systems are disclosed for fuel drift estimation and compensation using exhaust oxygen levels and fresh air flow measurements. An actual fueling to the engine cylinders is determined from the exhaust oxygen level and fresh air flow to the internal combustion engine. The actual fueling is compared to an expected fueling based on the fueling command provided to the internal combustion engine. The difference between the actual fueling and expected fueling is fuel drift error attributed to changes or drift in the fuel injection system and is used to correct or compensate future fueling commands for the fuel drift.
Abstract translation: 公开了使用排气氧水平和新鲜空气流量测量的燃料漂移估计和补偿的方法和系统。 对发动机气缸的实际加油由排气氧气水平和进入内燃机的新鲜空气流量确定。 基于提供给内燃机的燃料供给命令将实际的燃料加注与预期的燃料供给相比较。 实际加油和预期加油之间的差异是由燃料喷射系统中的变化或漂移引起的燃料漂移误差，并且用于校正或补偿未来的用于燃料漂移的加油命令。
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8.发明申请公开(公告)号：US20130139788A1
公开(公告)日：2013-06-06
申请号：US13652875
申请日：2012-10-16
Applicant: Cummins Inc.
Inventor： Vivek A. Sujan , Ashwin Vyas , Mert Geveci , Axel Otto zur Loye
IPC: F02D41/18
CPC classification number: F02D41/1495 , F02D41/1454 , F02D41/182 , F02D41/2454
Abstract: Methods and systems are disclosed for fuel drift estimation and compensation using exhaust oxygen levels and fresh air flow measurements. An actual fueling to the engine cylinders is determined from the exhaust oxygen level and fresh air flow to the internal combustion engine. The actual fueling is compared to an expected fueling based on the fueling command provided to the internal combustion engine. The difference between the actual fueling and expected fueling is fuel drift error attributed to changes or drift in the fuel injection system and is used to correct or compensate future fueling commands for the fuel drift.
Abstract translation: 公开了使用排气氧水平和新鲜空气流量测量的燃料漂移估计和补偿的方法和系统。 对发动机气缸的实际加油由排气氧气水平和进入内燃机的新鲜空气流量确定。 基于提供给内燃机的燃料供给命令将实际的燃料加注与预期的燃料供给相比较。 实际加油和预期加油之间的差异是由燃料喷射系统中的变化或漂移引起的燃料漂移误差，并且用于校正或补偿未来的用于燃料漂移的加油命令。
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公开(公告)号：US11840971B2
公开(公告)日：2023-12-12
申请号：US17822885
申请日：2022-08-29
Applicant: Cummins Inc.
Inventor： C. Larry Bruner , Phanindra V. Garimella , Geomy George , Timothy P. Lutz , J. Steven Kolhouse , Edmund P. Hodzen , Robert Charles Borregard , Mark A. Rosswurm , Axel Otto zur Loye
CPC classification number: F02D19/081 , F02D19/0628 , F02D19/0647 , F02D19/10 , F02D19/105 , F02D35/027 , F02D41/0025 , F02D41/0027 , F02D41/1498 , F02D41/221 , F02D41/005 , F02D2041/228 , F02D2200/0611 , Y02T10/30 , Y02T10/40
Abstract: Systems, methods and apparatus for controlling operation of dual fuel engines are disclosed that regulate the fuelling amounts provided by a first fuel and a second fuel during operation of the engine. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The fuelling amounts are controlled to improve operational outcomes of the duel fuel engine.
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公开(公告)号：US20220412276A1
公开(公告)日：2022-12-29
申请号：US17822885
申请日：2022-08-29
Applicant: Cummins Inc.
Inventor： C. Larry Bruner , Phanindra V. Garimella , Geomy George , Timothy P. Lutz , J. Steven Kolhouse , Edmund P. Hodzen , Robert Charles Borregard , Mark A. Rosswurm , Axel Otto zur Loye
Abstract: Systems, methods and apparatus for controlling operation of dual fuel engines are disclosed that regulate the fuelling amounts provided by a first fuel and a second fuel during operation of the engine. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The fuelling amounts are controlled to improve operational outcomes of the duel fuel engine.
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