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公开(公告)号：US11028737B2
公开(公告)日：2021-06-08
申请号：US16765057
申请日：2017-11-22
申请人： Cummins Inc. , Gregory J. Mitchum , Steven M. Bellinger , Richard Gonzalez , Glen T. Haegele , Troy Boggs
摘要： A retention member is configured to be supported within a cylinder head of an engine and includes a body portion and a plurality of arms. The body portion has an opening configured to receive a fuel injector of the engine. Additionally, the plurality of arms extends from the body portion and is configured to be positioned over a portion of a cross-head of the engine. The plurality of arms is spaced apart from the cross-head during routine operation of the engine.
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公开(公告)号：US20220252154A1
公开(公告)日：2022-08-11
申请号：US17661189
申请日：2022-04-28
申请人： Cummins Inc.
发明人： Steven M. Bellinger
IPC分类号： F16H61/688 , F16H61/04
摘要： A system, method and apparatus are disclosed for a clutch assembly for an automated manual transmission. The clutch assembly includes a dual power path. One power path connects a prime mover to the automated manual transmission via a wet clutch, and a second power path connects one of the prime mover and the automated manual transmission to a grounded connection for synchronizing the speed thereof for a gear change.
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公开(公告)号：US20220356914A1
公开(公告)日：2022-11-10
申请号：US17813612
申请日：2022-07-20
申请人： Cummins Inc.
IPC分类号： F16D48/06
摘要： A system comprises a powertrain including an engine configured to output torque to a driveline, and an electronic control system operatively coupled with the powertrain. The electronic control system is configured to determine an engine torque value, and control a component of the driveline in response to the engine torque value. The engine torque value may account for an effect of air-fuel ratio (AFR) on engine torque. The engine torque value may account for an effect of charge transport delay on engine torque
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公开(公告)号：US20210003083A1
公开(公告)日：2021-01-07
申请号：US17026722
申请日：2020-09-21
申请人： Cummins Inc.
发明人： Steven M. Bellinger
摘要： System, apparatus, and methods are disclosed for improving vehicle acceleration performance. One or more devices of the internal combustion engine system are controlled in response to a torque transition event indicator and/or one or more vehicle acceleration event indicators indicating a vehicle acceleration event is imminent to improve vehicle response during acceleration.
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6.发明授权公开(公告)号：US11441468B2
公开(公告)日：2022-09-13
申请号：US17321789
申请日：2021-05-17
申请人： Cummins Inc.
摘要： A vehicle system includes an engine, a transmission including a torque converter, a clutch configured to selectably couple and decouple the torque converter, and a gearset, a selective catalytic reduction (SCR) exhaust aftertreatment system. An electronic control system may be operatively coupled with the engine, the electronically controllable clutch, and the SCR exhaust aftertreatment system. The electronic control system is configured to evaluate whether an SCR catalyst temperature satisfies at least one minimum temperature criterion, in response to the SCR catalyst temperature satisfying the minimum temperature criterion, permit a neutral at stop operation wherein the electronically controllable clutch is controlled to selectably decouple the torque converter and the one or more gears at least in part in response to the vehicle system being in a stopped state, and in response to the SCR catalyst temperature not satisfying the minimum temperature criterion, prevent the neutral at stop operation.
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7.发明申请公开(公告)号：US20210355852A1
公开(公告)日：2021-11-18
申请号：US17321789
申请日：2021-05-17
申请人： Cummins Inc.
摘要： A vehicle system includes an engine, a transmission including a torque converter, a clutch configured to selectably couple and decouple the torque converter, and a gearset, a selective catalytic reduction (SCR) exhaust aftertreatment system. An electronic control system may be operatively coupled with the engine, the electronically controllable clutch, and the SCR exhaust aftertreatment system. The electronic control system is configured to evaluate whether an SCR catalyst temperature satisfies at least one minimum temperature criterion, in response to the SCR catalyst temperature satisfying the minimum temperature criterion, permit a neutral at stop operation wherein the electronically controllable clutch is controlled to selectably decouple the torque converter and the one or more gears at least in part in response to the vehicle system being in a stopped state, and in response to the SCR catalyst temperature not satisfying the minimum temperature criterion, prevent the neutral at stop operation.
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公开(公告)号：US20200277886A1
公开(公告)日：2020-09-03
申请号：US16803687
申请日：2020-02-27
申请人： Cummins Inc.
摘要： Systems and apparatuses include method of controlling a fan to supplement engine braking, including determining that an engagement condition for the fan exists, interpreting an operating parameter of the fan, determining a modified operating parameter for the fan based on a predefined limit, operating the fan according to the modified operating parameter, and ceasing operation of the fan according to the modified operating parameter when a disengagement condition for the fan exists.
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9.发明授权公开(公告)号：US11230969B2
公开(公告)日：2022-01-25
申请号：US15304007
申请日：2015-04-29
申请人： Cummins Inc.
IPC分类号： F02B67/08 , F01P3/20 , F01P7/14 , B60T10/02 , B60T1/093 , B60T1/087 , B60T13/58 , F16D65/78 , F01P3/00
摘要： A coolant diverter system and method of controlling coolant flow are provided. The coolant diverter system includes a coolant diverter body having a coolant inlet opening, a driveline retarder outlet opening and a bypass outlet opening. The coolant diverter system also includes a valve positioned in the coolant diverter body. The valve is configured in a first valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening in isolation from the bypass outlet opening. The valve is configured in a second valve orientation to fluidly couple the coolant inlet opening to the driveline retarder outlet opening and the bypass outlet opening. The coolant diverter system also includes a valve controller configured to place the valve in the first valve orientation in response to activation of a driveline retarder coupled to the driveline retarder outlet opening for braking.
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公开(公告)号：US11225899B2
公开(公告)日：2022-01-18
申请号：US16803687
申请日：2020-02-27
申请人： Cummins Inc.
摘要： Systems and apparatuses include method of controlling a fan to supplement engine braking, including determining that an engagement condition for the fan exists, interpreting an operating parameter of the fan, determining a modified operating parameter for the fan based on a predefined limit, operating the fan according to the modified operating parameter, and ceasing operation of the fan according to the modified operating parameter when a disengagement condition for the fan exists.
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