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公开(公告)号：US09284909B2
公开(公告)日：2016-03-15
申请号：US13975063
申请日：2013-08-23
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
IPC分类号： F02B47/08 , F02D43/00 , F02D41/00 , F02D41/30 , F02D41/40 , F02D41/10 , F02D41/12 , F02M25/07
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
摘要翻译： 提供了用于提高发动机爆震公差的方法和系统，特别是当LP-EGR从低水平的EGR快速倾斜时。 直到实现期望的LP-EGR率，燃料可以以至少进气冲程喷射和压缩冲程喷射的分流喷射传送，以补偿进气系统中EGR的运输延迟。 随后，可以恢复单次燃料喷射。
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公开(公告)号：US20170138282A1
公开(公告)日：2017-05-18
申请号：US15418580
申请日：2017-01-27
发明人： Steven Wooldridge , Gopichandra Surnilla , Jianwen James Yi , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Benjamin Richard Petersen
CPC分类号： F02D41/0077 , F02D35/027 , F02D41/0005 , F02D41/0007 , F02D41/005 , F02D41/0052 , F02D41/045 , F02D41/107 , F02D41/1498 , F02D41/402 , F02D43/00 , F02D43/04 , F02D2200/602 , F02M26/06 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving combustion stability, in particular during transient operations such as tip-out to lower load conditions, when EGR is being purged. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US09840976B2
公开(公告)日：2017-12-12
申请号：US15589566
申请日：2017-05-08
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
IPC分类号： B60T7/12 , F02D41/00 , F02B47/08 , F02M26/06 , F02P5/145 , F02D41/30 , F02D41/40 , F02D43/00
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US20170241355A1
公开(公告)日：2017-08-24
申请号：US15589566
申请日：2017-05-08
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US09664128B2
公开(公告)日：2017-05-30
申请号：US15000800
申请日：2016-01-19
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
IPC分类号： F02M25/07 , F02D41/00 , F02M26/06 , F02D43/00 , F02D41/30 , F02D41/40 , F02P5/145 , F02D41/10 , F02D41/12
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US20160131053A1
公开(公告)日：2016-05-12
申请号：US15000800
申请日：2016-01-19
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US09334826B2
公开(公告)日：2016-05-10
申请号：US13975068
申请日：2013-08-23
发明人： Steven Wooldridge , Gopichandra Surnilla , Jianwen James Yi , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Benjamin Richard Petersen
IPC分类号： F02M25/07 , F02D43/00 , F02D41/10 , F02D41/40 , F02D41/04 , F02D41/14 , F02D35/02 , F02D41/00
CPC分类号： F02D41/0077 , F02D35/027 , F02D41/0005 , F02D41/0007 , F02D41/005 , F02D41/0052 , F02D41/045 , F02D41/107 , F02D41/1498 , F02D41/402 , F02D43/00 , F02D43/04 , F02D2200/602 , F02M26/06 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving combustion stability, in particular during transient operations such as tip-out to lower load conditions, when EGR is being purged. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection. Subsequently, single fuel injection may be resumed.
摘要翻译： 提供了用于改善燃烧稳定性的方法和系统，特别是在EGR被清除时，在诸如倾卸到较低负载条件的过渡操作期间。 直到实现期望的LP-EGR率，燃料可以以至少进气冲程喷射和压缩冲程喷射作为分液喷射输送。 随后，可以恢复单次燃料喷射。
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公开(公告)号：US20150053177A1
公开(公告)日：2015-02-26
申请号：US13975063
申请日：2013-08-23
发明人： Steven Wooldridge , Gopichandra Surnilla , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Chris Paul Glugla , Benjamin Richard Petersen
IPC分类号： F02D43/00
CPC分类号： F02D41/0072 , F02B47/08 , F02D41/0007 , F02D41/005 , F02D41/10 , F02D41/12 , F02D41/3023 , F02D41/3076 , F02D41/402 , F02D43/00 , F02M26/06 , F02P5/145 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving engine knock tolerance, in particular when rapidly ramping in LP-EGR from low levels of EGR. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection to compensate for the transport delay in EGR filling the intake system. Subsequently, single fuel injection may be resumed.
摘要翻译： 提供了用于提高发动机爆震公差的方法和系统，特别是当LP-EGR从低水平的EGR快速斜坡时。 在实现期望的LP-EGR率之前，燃料可以以至少进气冲程喷射和压缩冲程喷射的分流喷射传送，以补偿在填充进气系统的EGR中的输送延迟。 随后，可以恢复单次燃料喷射。
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公开(公告)号：US09845751B2
公开(公告)日：2017-12-19
申请号：US15418580
申请日：2017-01-27
发明人： Steven Wooldridge , Gopichandra Surnilla , Jianwen James Yi , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Benjamin Richard Petersen
CPC分类号： F02D41/0077 , F02D35/027 , F02D41/0005 , F02D41/0007 , F02D41/005 , F02D41/0052 , F02D41/045 , F02D41/107 , F02D41/1498 , F02D41/402 , F02D43/00 , F02D43/04 , F02D2200/602 , F02M26/06 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving combustion stability, in particular during transient operations such as tip-out to lower load conditions, when EGR is being purged. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection. Subsequently, single fuel injection may be resumed.
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公开(公告)号：US09611792B2
公开(公告)日：2017-04-04
申请号：US15151337
申请日：2016-05-10
发明人： Steven Wooldridge , Gopichandra Surnilla , Jianwen James Yi , Brad Alan Boyer , James Alfred Hilditch , Michael Howard Shelby , Benjamin Richard Petersen
IPC分类号： F02M25/07 , F02D41/00 , F02D43/00 , F02D41/10 , F02D41/14 , F02D41/40 , F02D35/02 , F02M26/06 , F02D41/04
CPC分类号： F02D41/0077 , F02D35/027 , F02D41/0005 , F02D41/0007 , F02D41/005 , F02D41/0052 , F02D41/045 , F02D41/107 , F02D41/1498 , F02D41/402 , F02D43/00 , F02D43/04 , F02D2200/602 , F02M26/06 , Y02T10/44 , Y02T10/47
摘要： Methods and systems are provided for improving combustion stability, in particular during transient operations such as tip-out to lower load conditions, when EGR is being purged. Until a desired LP-EGR rate is achieved, fuel may be delivered as a split injection with at least an intake stroke injection and a compression stroke injection. Subsequently, single fuel injection may be resumed.
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