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公开(公告)号：US20220364486A1
公开(公告)日：2022-11-17
申请号：US17870452
申请日：2022-07-21
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Timothy R. Frazier , J. Steven Kolhouse , Steven J. Small , Louis Joseph Serrano
Abstract: Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes generating, by a controller, an initial life factor for the component; initiating, by the controller, a CDA mode for an engine; determining, by the controller, an actual life factor for the component, the actual life factor determined by comparing a number of switching events of a cylinder in the CDA mode to a number of cycles of the cylinder in the CDA mode; comparing, by the controller, the actual life factor to the initial life factor; and modifying, by the controller based on the comparison, operation of the engine in the CDA mode to adjust the actual life factor.
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公开(公告)号：US11459965B2
公开(公告)日：2022-10-04
申请号：US17186979
申请日：2021-02-26
Applicant: Tula Technology, Inc. , Cummins Inc.
Inventor： Vijay Srinivasan , Louis J. Serrano , Xiaoping Cai , J. Steven Kolhouse , Avra Brahma , Adrian P. Dale
Abstract: Managing firing fraction transitions of a variable displacement internal combustion engines by (a) avoiding transport delays in an Exhaust Gas Recirculation (EGR) feed by starting movement of an EGR valve position after a decision to transition to a new firing fraction has been made, but prior to the start of the transition and (b) adjusting the EGR valve as needed during the transition so as to maintain an EGR fraction within a predetermined range during the transition. By performing both (a) and (b), spikes of nitrous oxide (NOx) and/or hydrocarbon emissions are reduced or altogether eliminated during the transition.
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13.发明授权公开(公告)号：US11499490B1
公开(公告)日：2022-11-15
申请号：US17544568
申请日：2021-12-07
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： J. Steven Kolhouse , Avra Brahma
Abstract: Systems and methods for mitigating exhaust gas emissions via cylinder deactivation are provided. A system includes a controller coupled to an internal combustion engine and an electric motive device. The controller includes a processor and a memory coupled to the processor. The memory stores instruction that, when executed by the processor, cause the controller to: command the internal combustion engine to operate in a cylinder deactivation mode whereby at least one cylinder of a plurality of cylinders of the internal combustion engine is deactivated; receive a power request exceeding a current power output from the internal combustion engine; command the electric motive device to provide a supplemental power output based on the received power request; and, subsequent to commanding the electric motive device to provide the supplemental power out, activate the at least one cylinder of the plurality of cylinders of the internal combustion engine.
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公开(公告)号：US11428133B2
公开(公告)日：2022-08-30
申请号：US17330062
申请日：2021-05-25
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Jennifer Kay Light-Holets , J. Steven Kolhouse , Govindarajan Kothandaraman , Carlos Alcides Lana
Abstract: Systems and apparatuses include a controller including at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, causes the controller to: determine a set of emission regulations based on a location of a vehicle; determine a target temperature of a catalyst of an aftertreatment system of the vehicle in response to the determined set of emission regulations; compare a current temperature of the catalyst to the determined target temperature; and in response to the current temperature of the catalyst being below the determined target temperature, provide a thermal management command to increase the catalyst temperature toward the determined target temperature.
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15.发明申请公开(公告)号：US20210355887A1
公开(公告)日：2021-11-18
申请号：US17390223
申请日：2021-07-30
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Aaron William Beinborn , J. Steven Kolhouse
Abstract: A controller for a vehicle includes at least one processor and at least one memory storing instructions that, when executed by the processor, cause the controller to perform various operations. The operations include determining that the vehicle is in reverse and in response, deactivating a cylinder of an engine of the vehicle.
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Patent Agency Ranking
公开(公告)号：US12209515B2
公开(公告)日：2025-01-28
申请号：US18440939
申请日：2024-02-13
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Timothy R. Frazier , J. Steven Kolhouse , Steven J. Small , Louis Joseph Serrano
Abstract: Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes initiating, by a controller, a CDA mode for an engine; determining, by the controller, a first cycle count for a first oil control solenoid of the CDA system; determining, by the controller, a second cycle count for a second oil control solenoid of the CDA system; comparing, by the controller, the first cycle count and the second cycle count; and modifying, by the controller, operation of the CDA mode for the engine based on the comparison.
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公开(公告)号：US11933202B2
公开(公告)日：2024-03-19
申请号：US17870452
申请日：2022-07-21
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Timothy R. Frazier , J. Steven Kolhouse , Steven J. Small , Louis Joseph Serrano
CPC classification number: F01L13/0005 , F01L9/10 , F02D13/0223 , F02D13/06 , F02D41/0087 , F01L2013/001
Abstract: Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes generating, by a controller, an initial life factor for the component; initiating, by the controller, a CDA mode for an engine; determining, by the controller, an actual life factor for the component, the actual life factor determined by comparing a number of switching events of a cylinder in the CDA mode to a number of cycles of the cylinder in the CDA mode; comparing, by the controller, the actual life factor to the initial life factor; and modifying, by the controller based on the comparison, operation of the engine in the CDA mode to adjust the actual life factor.
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18.发明授权公开(公告)号：US11859569B2
公开(公告)日：2024-01-02
申请号：US17982149
申请日：2022-11-07
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： J. Steven Kolhouse , Avra Brahma
IPC: F02D41/00 , F02D13/02 , F02D41/14 , F02D13/06 , B60W20/40 , B60W10/08 , B60W10/06 , F02D41/12 , F01L13/00
CPC classification number: F02D41/0087 , B60W10/06 , B60W10/08 , B60W20/40 , F02D13/0242 , F02D13/06 , F02D41/0072 , F02D41/123 , F02D41/1454 , F01L2013/001 , F02D2250/36
Abstract: Systems and methods for mitigating exhaust gas emissions via cylinder deactivation are provided. A system includes a controller coupled to an internal combustion engine and an electric motive device. The controller includes a processor and a memory. The memory stores instruction that, when executed by the processor, cause the controller to: receive a power request less than a current power output from the internal combustion engine; command the electric motive device to provide a supplemental power output based on the received power request; command the internal combustion engine to operate in a cylinder deactivation mode whereby at least one cylinder of a plurality of cylinders of the internal combustion engine is deactivated; responsive to determining that a power output of the internal combustion engine is substantially equivalent to the power request after commanding the internal combustion engine to operate in the cylinder deactivation mode, deactivate the electric motive device.
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公开(公告)号：US20230407804A1
公开(公告)日：2023-12-21
申请号：US17843473
申请日：2022-06-17
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： J. Steven Kolhouse , David Langenderfer , David Schmidt , Vijay Srinivasan
CPC classification number: F02D41/029 , F02D41/0087 , F02D41/1454 , F02D41/1448 , F02D2200/021 , F02D2200/701
Abstract: A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive a particulate filter regeneration event trigger; receive information, the information comprising a temperature regarding the particulate filter; determine the temperature regarding the particulate filter is below a temperature threshold associated with a particulate filter regeneration event; and responsive to determining the temperature regarding the particulate filter is below the temperature threshold, command the engine to operate in a cylinder deactivation mode, whereby at least one cylinder of a plurality of cylinders of the engine is deactivated.
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20.发明授权公开(公告)号：US11802519B1
公开(公告)日：2023-10-31
申请号：US17987700
申请日：2022-11-15
Applicant: Cummins Inc. , Tula Technology, Inc.
Inventor： Aaron William Beinborn , J. Steven Kolhouse , David J. Langenderfer , David Schmidt
CPC classification number: F02D41/0087 , F02D13/0207 , F02D41/024 , F02D41/22 , F02D41/401 , F02D2200/10
Abstract: Systems and methods for bypassing a compromised engine cylinder via cylinder deactivation are described according to various embodiments herein. A system includes an engine coupled to a controller. The controller includes at least one processor and at least one memory coupled to the at least one processor. The at least one memory stores instructions that, when executed by the at least one processor, cause the controller to: determine that one or more cylinders of a plurality of cylinders of the engine is compromised based on data regarding operation of the engine; and cause the engine to operate in the modified engine operating mode whereby operation of the one or more cylinders that are compromised is modified.
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