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公开(公告)号：US20170204797A1
公开(公告)日：2017-07-20
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: F02D41/00 , F02B75/04 , F02B75/02 , F02M26/22 , F02D41/14 , F02M26/04 , F02D41/30 , F02M26/43 , F02D13/02
CPC classification number: F02D41/0065 , F02B75/02 , F02B75/04 , F02B2075/025 , F02B2075/027 , F02D13/0223 , F02D41/005 , F02D41/0077 , F02D41/008 , F02D41/0087 , F02D41/06 , F02D41/064 , F02D41/068 , F02D41/1446 , F02D41/30 , F02D41/3023 , F02D41/3058 , F02D41/3094 , F02D41/401 , F02D2041/389 , F02M26/04 , F02M26/05 , F02M26/16 , F02M26/22 , F02M26/25 , F02M26/33 , F02M26/43 , F02M26/44 , F02M26/71 , Y02T10/47
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：US09631582B2
公开(公告)日：2017-04-25
申请号：US14582895
申请日：2014-12-24
Applicant: Cummins Inc.
Inventor： Samuel C. Geckler , Madhuri Gandikota , Rajkumar Subramanian , Axel Otto zur Loye
IPC: F02D41/06 , F02B47/08 , F02M25/07 , F02D41/00 , F02M26/04 , F02M26/43 , F02M26/05 , F02M26/33 , F02M26/44 , F02M26/71 , F02D41/30 , F02D41/40 , F02D41/38 , F02M26/16 , F02M26/25
CPC classification number: F02D41/0065 , F02B75/02 , F02B75/04 , F02B2075/025 , F02B2075/027 , F02D13/0223 , F02D41/005 , F02D41/0077 , F02D41/008 , F02D41/0087 , F02D41/06 , F02D41/064 , F02D41/068 , F02D41/1446 , F02D41/30 , F02D41/3023 , F02D41/3058 , F02D41/3094 , F02D41/401 , F02D2041/389 , F02M26/04 , F02M26/05 , F02M26/16 , F02M26/22 , F02M26/25 , F02M26/33 , F02M26/43 , F02M26/44 , F02M26/71 , Y02T10/47
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：US20210254530A1
公开(公告)日：2021-08-19
申请号：US17306638
申请日：2021-05-03
Applicant: Cummins, Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that a plurality of cylinders of an engine are active; compare an exhaust aftertreatment temperature to an exhaust aftertreatment temperature setpoint; and in response to the comparison, adjust an effective flow area for exhaust gas from the plurality of cylinders of the engine to increase an exhaust gas temperature.
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公开(公告)号：US20190264594A1
公开(公告)日：2019-08-29
申请号：US16408811
申请日：2019-05-10
Applicant: Cummins Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that an exhaust manifold pressure does not meet an exhaust manifold pressure setpoint and in response, cause an adjustment of an effective flow area of exhaust gas from an engine. The adjustment of the effective flow area is structured to increase an exhaust gas temperature.
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公开(公告)号：US20180209318A1
公开(公告)日：2018-07-26
申请号：US15416695
申请日：2017-01-26
Applicant: Cummins, Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
CPC classification number: F01N3/2066 , F01N9/00 , F01N2900/1404 , F01N2900/1406 , F02B37/18 , F02D9/04 , F02D41/024 , F02D41/1448 , F02D2700/04 , Y02T10/144 , Y02T10/24 , Y02T10/26 , Y02T10/47
Abstract: A method for increasing the exhaust temperature of an exhaust system. The method includes receiving an inlet temperature of a selective catalytic reduction system; determining whether the inlet temperature meets a temperature setpoint; adjusting an exhaust manifold pressure setpoint based on the determination of the inlet temperature; determining whether the exhaust manifold pressure of at least one of first or second bank meet the exhaust manifold pressure setpoint; and causing an adjustment of an effective flow area of at least one of the first bank or second bank based on the exhaust manifold pressure, the adjustment of the effective flow area structured to increase exhaust temperature during light load operation.
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Patent Agency Ranking
公开(公告)号：US20230035148A1
公开(公告)日：2023-02-02
申请号：US17966620
申请日：2022-10-14
Applicant: Cummins, Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: A method includes: determining that at least one cylinder of a first cylinder bank of an engine is active; determining that at least one cylinder of a second cylinder bank of the engine is inactive; receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for the first cylinder bank or a second exhaust manifold pressure setpoint for the second cylinder bank based on the comparison.
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公开(公告)号：US10995642B2
公开(公告)日：2021-05-04
申请号：US16408811
申请日：2019-05-10
Applicant: Cummins Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that an exhaust manifold pressure does not meet an exhaust manifold pressure setpoint and in response, cause an adjustment of an effective flow area of exhaust gas from an engine. The adjustment of the effective flow area is structured to increase an exhaust gas temperature.
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公开(公告)号：US11473469B2
公开(公告)日：2022-10-18
申请号：US17306638
申请日：2021-05-03
Applicant: Cummins, Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that a plurality of cylinders of an engine are active; compare an exhaust aftertreatment temperature to an exhaust aftertreatment temperature setpoint; and in response to the comparison, adjust an effective flow area for exhaust gas from the plurality of cylinders of the engine to increase an exhaust gas temperature.
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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：US10287945B2
公开(公告)日：2019-05-14
申请号：US15416695
申请日：2017-01-26
Applicant: Cummins, Inc.
Inventor： Travis Alva Anderson , Joan M. Wills , Rajkumar Subramanian , Vaibhav Daramwar , Pagalavan Mathari Bakthavatsalam , Paul Daniel Borisuk
Abstract: A method for increasing the exhaust temperature of an exhaust system. The method includes receiving an inlet temperature of a selective catalytic reduction system; determining whether the inlet temperature meets a temperature setpoint; adjusting an exhaust manifold pressure setpoint based on the determination of the inlet temperature; determining whether the exhaust manifold pressure of at least one of first or second bank meet the exhaust manifold pressure setpoint; and causing an adjustment of an effective flow area of at least one of the first bank or second bank based on the exhaust manifold pressure, the adjustment of the effective flow area structured to increase exhaust temperature during light load operation.
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