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公开(公告)号：US20150354481A1
公开(公告)日：2015-12-10
申请号：US14296069
申请日：2014-06-04
Applicant: Cummins Inc.
Inventor： Samuel C. Geckler , Anthony Kyle Perfetto
CPC classification number: F02D41/0057 , F02B19/108 , F02D41/005 , F02D41/3094 , Y02T10/125 , Y02T10/47
Abstract: A system and method are disclosed for controlling an engine using pre-chamber ignition. According to at least one aspect of the present disclosure, the system includes a pre-chamber ignition system in communication with a combustion cylinder of the engine. The ignition system includes a pre-chamber having a pre-chamber injector, an igniter, and a pre-chamber port structured to introduce a purge gas into the pre-chamber. The system further includes an exhaust gas recirculation system to dilute a main charge introduced into the cylinder. The ignition system improves engine efficiency and lowers emissions.
Abstract translation: 公开了一种用于使用预室内点火来控制发动机的系统和方法。 根据本公开的至少一个方面，该系统包括与发动机的燃烧气缸连通的预燃机点火系统。 点火系统包括具有预喷射器，点火器和被构造成将吹扫气体引入预燃室中的预燃室端口的预燃室。 该系统还包括用于稀释引入气缸的主要装料的排气再循环系统。 点火系统提高发动机效率并降低排放。
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公开(公告)号：US20140366532A1
公开(公告)日：2014-12-18
申请号：US13917189
申请日：2013-06-13
Applicant: Cummins Inc.
Inventor： Sudhanshu Talwar , Samuel C. Geckler , Marten H. Dane
IPC: F02M25/07
Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
Abstract translation: 公开了具有废气再循环和涡轮增压的内燃机操作的系统和方法。 该系统包括废气再循环回路，用于在燃烧之前使排气流从发动机的气缸的第一部分循环到进气系统中。 该系统还包括具有第一和第二入口的涡轮机，用于接收来自气缸的剩余部分的废气的相应第一和第二部分的废气流。
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公开(公告)号：US11549454B2
公开(公告)日：2023-01-10
申请号：US17315560
申请日：2021-05-10
Applicant: Cummins Inc.
Inventor： Carlos Alcides Lana , David J. Stroh , Samuel C. Geckler , Marten H. Dane , Anthony Kyle Perfetto , Karthik Kappaganthu , Govindarajan Kothandaraman
IPC: F02D41/00 , F02M26/43 , F02D21/08 , F02B37/18 , F02B37/24 , F02D13/02 , F02P5/15 , F02M26/13 , F02M26/37 , F02M26/05 , F02M26/06
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one primary EGR cylinder and a plurality of non-primary EGR cylinders. The systems, apparatus and methods control the amount of recirculated exhaust gas in a charge flow in response to EGR fraction deviation conditions.
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公开(公告)号：US11220950B2
公开(公告)日：2022-01-11
申请号：US16665292
申请日：2019-10-28
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler
Abstract: Systems, devices, and method are disclosed for differentially cooling an internal combustion engine. A cooling system includes a first cooling circuit configured to lower a temperature of a cooling fluid to a first temperature where the first cooling circuit is configured to dispense a first portion of the cooling fluid to cylinder walls and non-cylinder or non-combustion surfaces of the engine. The cooling system also includes a second cooling circuit configured to lower the temperature of a remaining or second portion of the cooling fluid to a second temperature that is lower than the first temperature where the second cooling circuit is configured to dispense the remaining portion of the cooling fluid to cylinder or combustion surfaces within one or more cylinders of the internal combustion engine.
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公开(公告)号：US20210310431A1
公开(公告)日：2021-10-07
申请号：US17347885
申请日：2021-06-15
Applicant: Cummins Inc.
Inventor： Marten H. Dane , J. Steven Kolhouse , Thomas M. Yonushonis , J. Stephen Wills , Samuel C. Geckler
IPC: F02D41/00 , F02B29/04 , F02D13/02 , F02M45/02 , F02M26/06 , F02M26/15 , F02M26/25 , F02M26/27 , F02M26/28 , F02M26/24 , F02M26/33 , F02D41/04
Abstract: A method includes operating a spark ignition engine and flowing low pressure exhaust gas recirculation (EGR) from an exhaust to an inlet of the spark ignition engine. The method includes interpreting a parameter affecting an operation of the spark ignition engine, and determining a knock index value in response to the parameter. The method further includes reducing a likelihood of engine knock in response to the knock index value exceeding a knock threshold value.
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Patent Agency Ranking
公开(公告)号：US11015553B2
公开(公告)日：2021-05-25
申请号：US16243386
申请日：2019-01-09
Applicant: Cummins Inc.
Inventor： Sudhanshu Talwar , Samuel C. Geckler , Marten H. Dane
Abstract: Systems and methods for internal combustion engine operation with exhaust gas recirculation and turbocharging are disclosed. The systems include an exhaust gas recirculation loop for recirculating exhaust gas flow from a first portion of the cylinders of the engine into an intake system prior to combustion. The system further includes a turbine with first and second inlets for receiving exhaust gas flows from respective first and second parts of the exhaust gas of the remaining portion of the cylinders.
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公开(公告)号：US11008952B2
公开(公告)日：2021-05-18
申请号：US16450146
申请日：2019-06-24
Applicant: Cummins Inc.
Inventor： J. Steven Kolhouse , Anshul Shambhav , Thomas M. Yonushonis , Adrian P. Dale , Samuel C. Geckler , David J. Stroh , Adam C. Cecil , Anthony Kyle Perfetto , Ryan Edward Schultz
Abstract: An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plurality of intake valves, an exhaust system to release exhaust gas from the plurality of cylinders through respective one of a plurality of exhaust valves. The internal combustion engine uses vacuum braking and/or compression release braking in response to one or more braking conditions.
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公开(公告)号：US10746114B2
公开(公告)日：2020-08-18
申请号：US15951820
申请日：2018-04-12
Applicant: CUMMINS INC.
Inventor： Samuel C. Geckler
IPC: F01N3/08 , F01N5/04 , F02B37/00 , F02B37/18 , F02B41/00 , F02B41/02 , F02D41/02 , F02D41/00 , F02M26/43 , F02M26/16 , F02M26/02
Abstract: Systems and methods for implementing regeneration of an aftertreatment component using exhaust gas recirculation is described. According to various embodiments, an engine system comprises an engine, a turbocharger, a fluid control valve, and a lean NOx catalyst. The engine has a first set cylinders fluidly coupled to an intake manifold and a second set of cylinders having fluidly isolated from the intake manifold of the engine. The fluid control valve is disposed between the first exhaust outlet and the exhaust conduit and is structured to selectively fluidly couple the first exhaust outlet to the exhaust conduit. Also, the lean NOx catalyst has an inlet structured to receive exhaust gases from the exhaust conduit at a position downstream of the turbine outlet and the fluid control valve.
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公开(公告)号：US10570841B2
公开(公告)日：2020-02-25
申请号：US16047397
申请日：2018-07-27
Applicant: CUMMINS INC.
Inventor： J. Steven Kolhouse , Samuel C. Geckler , David J. Stroh , Ying Yuan
Abstract: A internal combustion engine system includes a gasoline internal combustion engine having a set of donor cylinders and a set of non-donor cylinders. The donor cylinders provide a proportion of the exhaust gas to an exhaust gas recirculation system and the remainder of the exhaust gas to an exhaust gas aftertreatment system including a particulate filter. The non-donor cylinders also provide exhaust gas to exhaust gas aftertreatment system. An engine controller can determine whether the particulate filter needs regeneration, and in response, retard a spark timing of the non-donor cylinders by an amount that is different from an amount or retardation of the donor cylinders.
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公开(公告)号：US20200056532A1
公开(公告)日：2020-02-20
申请号：US16665292
申请日：2019-10-28
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler
Abstract: Systems, devices, and method are disclosed for differentially cooling an internal combustion engine. A cooling system includes a first cooling circuit configured to lower a temperature of a cooling fluid to a first temperature where the first cooling circuit is configured to dispense a first portion of the cooling fluid to cylinder walls and non-cylinder or non-combustion surfaces of the engine. The cooling system also includes a second cooling circuit configured to lower the temperature of a remaining or second portion of the cooling fluid to a second temperature that is lower than the first temperature where the second cooling circuit is configured to dispense the remaining portion of the cooling fluid to cylinder or combustion surfaces within one or more cylinders of the internal combustion engine.
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