公开(公告)号：US09303555B2

公开(公告)日：2016-04-05

申请号：US13856553

申请日：2013-04-04

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu ,  Dustin Loveland

IPC: F02D23/00 ,  F02B33/44 ,  F01N1/00 ,  F02B33/00 ,  F02B37/12 ,  F01N13/10 ,  F02B37/00 ,  F02B37/02 ,  F02B37/18

CPC classification number: F02B37/12 ,  F01N13/10 ,  F01N13/107 ,  F02B37/002 ,  F02B37/004 ,  F02B37/025 ,  F02B37/183 ,  Y02T10/144

Abstract: An exhaust manifold for at least a portion of an internal combustion engine having a defined number of combustion chambers includes a plurality of inlet ports and four outlet ports. A first pair of the four outlet ports are disposed in gas flow communication with a first subset of the plurality of inlet ports, and a second pair of the four outlet ports different from the first pair are disposed in gas flow communication with a second subset of the plurality of inlet ports different from the first subset.

Abstract translation: 具有规定数量的燃烧室的内燃机的至少一部分的排气歧管包括多个入口和四个出口。 第一对四个出口端口设置成与多个入口端口的第一子集气体流动连通，并且与第一对不同的第二对四个出口端口设置成与第二子集的第二子集 多个入口端口与第一子集不同。

公开(公告)号：US10018128B2

公开(公告)日：2018-07-10

申请号：US15228301

申请日：2016-08-04

Applicant: GM Global Technology Operations LLC

Inventor： Ko-Jen Wu ,  Oliver Rudwinsky ,  Robert S. McAlpine

IPC: F01N3/00 ,  F01N5/04 ,  F01N3/10 ,  F02D41/00 ,  F01N3/20 ,  F02M26/02 ,  F02M26/14 ,  F02M26/17 ,  F02M26/52 ,  F02M35/104 ,  F02B39/04 ,  F01N13/10

CPC classification number: F02D41/0007 ,  F01N3/101 ,  F01N3/2066 ,  F01N3/2073 ,  F01N13/10 ,  F01N2610/02 ,  F02B39/04 ,  F02D2041/0017 ,  F02M26/02 ,  F02M26/14 ,  F02M26/17 ,  F02M26/52 ,  F02M35/104 ,  Y02T10/144 ,  Y02T10/22 ,  Y02T10/24

Abstract: An engine control system includes an internal combustion engine including a plurality of cylinders. An intake manifold is connected to the internal combustion engine. An exhaust manifold is connected to the internal combustion engine. A supercharger is connected to an air intake passage and the intake manifold and includes a variable speed drive. A throttle valve is disposed in the air intake passage. An exhaust passage is in connection with the exhaust manifold. A passive selective catalytic reduction catalyst system is in communication with the exhaust passage. An exhaust gas recirculation passage is in communication with the exhaust passage and the air intake passage and includes an exhaust gas recirculation valve. A controller controls the variable speed drive of the supercharger and the throttle valve and the exhaust gas recirculation valve based upon engine conditions.

公开(公告)号：US09441534B2

公开(公告)日：2016-09-13

申请号：US14510691

申请日：2014-10-09

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu ,  Jason G. Kohler

IPC: F02B29/04 ,  F02B33/44 ,  F02D23/00 ,  F02B33/00 ,  F02B39/00 ,  F02B37/013 ,  F02B37/00 ,  F02B37/18 ,  B60K13/04 ,  B60K11/00

CPC classification number: F02B39/005 ,  B60K11/00 ,  B60K13/04 ,  F01N3/0205 ,  F01N13/107 ,  F01N2340/06 ,  F01P2060/12 ,  F02B37/001 ,  F02B37/002 ,  F02B37/004 ,  F02B37/013 ,  F02B37/18 ,  Y02T10/144 ,  Y02T10/20

Abstract: An internal combustion engine includes a cylinder block defining a cylinder, a cylinder head, and an exhaust manifold operatively connected to the cylinder head and configured to exhaust post-combustion gasses from the cylinder. The engine also includes a turbocharging system configured to pressurize an airflow for delivery thereof to the cylinder. The turbocharging system includes a low-flow turbocharger having a first turbine housing and a high-flow turbocharger having a second turbine housing. Each turbocharger is configured to be driven by the post-combustion gasses from the exhaust manifold in order to pressurize the airflow and discharge the pressurized airflow to the cylinder. The turbocharging system also includes a flow control device for selectively directing the post-combustion gasses to the low-flow and high-flow turbochargers. The turbocharging system additionally includes a cooling module configured to cool the second turbine housing. A vehicle employing such an engine is also disclosed.

Abstract translation: 内燃机包括气缸体，其限定了气缸，气缸盖和可操作地连接到气缸盖并被配置为从气缸排出后燃气体的排气歧管。 发动机还包括涡轮增压系统，该涡轮增压系统构造成对气流加压以将其输送到气缸。 涡轮增压系统包括具有第一涡轮机壳体和具有第二涡轮机壳体的高流量涡轮增压器的低流量涡轮增压器。 每个涡轮增压器构造成由来自排气歧管的后燃气体驱动，以便加压气流并将加压的气流排出到气缸。 涡轮增压系统还包括用于选择性地将后燃气体引导到低流量和高流量涡轮增压器的流量控制装置。 涡轮增压系统还包括被配置为冷却第二涡轮机壳体的冷却模块。 还公开了一种采用这种发动机的车辆。

公开(公告)号：US20140260240A1

公开(公告)日：2014-09-18

申请号：US13837605

申请日：2013-03-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu

IPC: F02B37/18 ,  F02M25/07

CPC classification number: F02B37/18 ,  F02B17/005 ,  F02B29/0437 ,  F02B37/00 ,  F02B37/127 ,  F02D41/0007 ,  F02D41/3023 ,  F02D41/3029 ,  F02D2200/101 ,  F02M26/06 ,  Y02T10/144

Abstract: In an embodiment, a method for turbocharging a stratified charge engine includes flowing, in a turbocharged mode, exhaust gas from the engine into a turbocharger based on the engine having a load greater than a threshold load and the engine operating in a first range of engine speeds, the threshold load comprising a peak load for engine operation in a naturally-aspirated mode using a lean air-fuel mixture and providing, by the turbocharger while in the turbocharged mode, an increased amount of air to a combustion chamber in the engine based on the turbocharger receiving the exhaust gas. The method also includes restricting flow, in the naturally-aspirated mode, of the exhaust gas into the turbocharger based on at least one of: the engine having a load less than the threshold load or the engine operating in a second range of engine speeds, the second range being greater than the first range.

Abstract translation: 在一个实施例中，用于对分层充气发动机进行涡轮增压的方法包括以涡轮增压模式将来自发动机的废气基于具有大于阈值负载的负载的发动机和在第一发动机范围内运行的发动机流入涡轮增压器 速度，阈值负载包括使用稀薄空气 - 燃料混合物在自然吸气模式下发动机运转的峰值负荷，并且在涡轮增压模式下通过涡轮增压器提供增加的发动机燃烧室中的空气量 在接收废气的涡轮增压器上。 该方法还包括基于下列中的至少一个限制排气进入涡轮增压器的自然吸气模式：发动机具有小于阈值负载的负载或在第二发动机速度范围内起动的发动机， 第二范围大于第一范围。

公开(公告)号：US10082111B2

公开(公告)日：2018-09-25

申请号：US14837329

申请日：2015-08-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu ,  Jason G Kohler

IPC: F02D23/00 ,  F02M26/08 ,  F02B63/04 ,  F02B37/00 ,  F02B37/02 ,  F02B39/10 ,  F01N5/04 ,  F02F1/24

CPC classification number: F02M26/08 ,  F01N5/04 ,  F01P2060/12 ,  F02B37/002 ,  F02B37/004 ,  F02B37/025 ,  F02B39/10 ,  F02B63/04 ,  F02F1/243 ,  Y02T10/144 ,  Y02T10/16

Abstract: An internal combustion engine includes a cylinder block defining a cylinder and a cylinder head mounted to the block. The cylinder head supplies air and fuel to the cylinder for combustion therein. The engine also includes an exhaust manifold operatively connected to the cylinder head and having first and second outlets configured to exhaust post-combustion gasses from the cylinder. The engine also includes a turbocharging system including a low-flow turbocharger driven by the post-combustion gasses from the first outlet to pressurize the airflow and a high-flow turbocharger driven by the post-combustion gasses from the second outlet. The turbocharging system also includes a flow control device for selectively directing the post-combustion gasses to the low-flow and high-flow turbochargers. The turbocharging system additionally includes a motor-generator to selectively assist the post-combustion gasses in driving either the low-flow or the high-flow turbocharger and generate electric current when driven via the subject turbocharger.

公开(公告)号：US20170058840A1

公开(公告)日：2017-03-02

申请号：US14837329

申请日：2015-08-27

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu ,  Jason G Kohler

IPC: F02M26/08 ,  F02B63/04

CPC classification number: F02M26/08 ,  F01N5/04 ,  F01P2060/12 ,  F02B37/002 ,  F02B37/004 ,  F02B37/025 ,  F02B39/10 ,  F02B63/04 ,  F02F1/243 ,  Y02T10/144

Abstract: An internal combustion engine includes a cylinder block defining a cylinder and a cylinder head mounted to the block. The cylinder head supplies air and fuel to the cylinder for combustion therein. The engine also includes an exhaust manifold operatively connected to the cylinder head and having first and second outlets configured to exhaust post-combustion gasses from the cylinder. The engine also includes a turbocharging system including a low-flow turbocharger driven by the post-combustion gasses from the first outlet to pressurize the airflow and a high-flow turbocharger driven by the post-combustion gasses from the second outlet. The turbocharging system also includes a flow control device for selectively directing the post-combustion gasses to the low-flow and high-flow turbochargers. The turbocharging system additionally includes a motor-generator to selectively assist the post-combustion gasses in driving either the low-flow or the high-flow turbocharger and generate electric current when driven via the subject turbocharger.

Abstract translation: 内燃机包括限定汽缸的气缸体和安装在气缸体上的气缸盖。 气缸盖向气缸供应空气和燃料以在其中燃烧。 发动机还包括可操作地连接到气缸盖的排气歧管，并且具有被配置为从气缸排出后燃气体的第一和第二出口。 发动机还包括涡轮增压系统，其包括由来自第一出口的后燃气体驱动的低流量涡轮增压器，以加压气流，以及由第二出口由后燃气驱动的高流量涡轮增压器。 涡轮增压系统还包括用于选择性地将后燃气体引导到低流量和高流量涡轮增压器的流量控制装置。 涡轮增压系统还包括电动发电机，用于选择性地帮助后燃气驱动低流量涡轮增压器或高流量涡轮增压器，并在通过主体涡轮增压器驱动时产生电流。

公开(公告)号：US09051871B1

公开(公告)日：2015-06-09

申请号：US14192408

申请日：2014-02-27

Applicant: GM Global Technology Operations LLC

Inventor： Ko-Jen Wu ,  Jason C. Melecosky ,  Darrel J. Walter

IPC: F02D23/00 ,  F02B33/44 ,  F02B37/22

CPC classification number: F02B37/22 ,  F02B37/025 ,  F02D13/06 ,  F02D17/02 ,  F02D41/0007 ,  F02D41/0087 ,  Y02T10/144 ,  Y02T10/18

Abstract: An internal combustion engine defines a plurality of cylinders including full-time active cylinders and cylinders capable of being deactivated. A turbocharger having a twin scroll turbine includes a first turbine scroll in communication with the exhaust passages from the full-time active cylinders and a second turbine scroll in communication with the exhaust passages from the cylinders capable of being deactivated. A scroll control valve is provided in communication with the exhaust passages from the cylinders capable of being deactivated and being operable in an open position to allow exhaust gases from the cylinders capable of being deactivated to pass through the second turbine scroll, and being operable in a closed position to direct exhaust gases from the plurality of second cylinders capable of being deactivated to pass through the first turbine scroll.

Abstract translation: 内燃机定义了包括能够停用的全时有效气缸​​和气缸的多个气缸。 具有双涡旋涡轮机的涡轮增压器包括与来自全时有效气缸​​的排气通道连通的第一涡轮机涡轮机和与来自气缸的排气通道连通的能够停用的第二涡轮涡旋机构。 涡轮控制阀设置成与来自气缸的排气通道连通，能够被停用并且可在打开位置操作，以允许来自能够被停用的气缸的废气通过第二涡轮涡旋，并且可操作在 将来自多个第二气缸的废气引导的关闭位置能够被去活，以通过第一涡轮涡旋。

公开(公告)号：US09046032B2

公开(公告)日：2015-06-02

申请号：US13837605

申请日：2013-03-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Ko-Jen Wu

IPC: F02D23/00 ,  F02B37/18 ,  F02M25/07 ,  F02B37/12 ,  F02D41/30 ,  F02D41/00 ,  F02B17/00 ,  F02B29/04 ,  F02B37/00

CPC classification number: F02B37/18 ,  F02B17/005 ,  F02B29/0437 ,  F02B37/00 ,  F02B37/127 ,  F02D41/0007 ,  F02D41/3023 ,  F02D41/3029 ,  F02D2200/101 ,  F02M26/06 ,  Y02T10/144

Abstract: In an embodiment, a method for turbocharging a stratified charge engine includes flowing, in a turbocharged mode, exhaust gas from the engine into a turbocharger based on the engine having a load greater than a threshold load and the engine operating in a first range of engine speeds, the threshold load comprising a peak load for engine operation in a naturally-aspirated mode using a lean air-fuel mixture and providing, by the turbocharger while in the turbocharged mode, an increased amount of air to a combustion chamber in the engine based on the turbocharger receiving the exhaust gas. The method also includes restricting flow, in the naturally-aspirated mode, of the exhaust gas into the turbocharger based on at least one of: the engine having a load less than the threshold load or the engine operating in a second range of engine speeds, the second range being greater than the first range.

Abstract translation: 在一个实施例中，用于对分层充气发动机进行涡轮增压的方法包括以涡轮增压模式将来自发动机的废气基于具有大于阈值负载的负载的发动机和在第一发动机范围内运行的发动机流入涡轮增压器 速度，阈值负载包括使用稀薄空气 - 燃料混合物在自然吸气模式下发动机运转的峰值负荷，并且在涡轮增压模式下通过涡轮增压器提供增加的发动机燃烧室中的空气量 在接收废气的涡轮增压器上。 该方法还包括基于下列中的至少一个限制排气进入涡轮增压器的自然吸气模式：发动机具有小于阈值负载的负载或在第二发动机速度范围内起动的发动机， 第二范围大于第一范围。

公开(公告)号：US20150068503A1

公开(公告)日：2015-03-12

申请号：US14023955

申请日：2013-09-11

Applicant: GM Global Technology Operations LLC

Inventor： Ko-Jen Wu ,  Jason C. Melecosky

IPC: F02M25/07

CPC classification number: F02M26/19 ,  F02B29/0437 ,  F02B37/00 ,  F02B37/186 ,  F02M26/06 ,  F02M26/21 ,  F02M26/28 ,  F02M26/51 ,  F02M26/70 ,  Y02T10/144

Abstract: A compressor assembly pressurizes an airflow that is received from the ambient for delivery to an internal combustion engine having a cylinder block section and a cylinder head section. The cylinder head section is configured to supply an air-fuel mixture to the cylinder for combustion therein and exhaust post-combustion gases therefrom. The compressor assembly includes a compressor cover configured to receive the airflow from the ambient and a compressor wheel disposed inside the compressor cover and configured to pressurize the airflow. The compressor assembly also includes an exhaust gas recirculation (EGR) valve that is incorporated into the compressor cover and is in fluid communication with each of the cylinder head section and the compressor wheel. The EGR valve is configured to control delivery of the exhaust post-combustion gases from the cylinder head into the compressor cover. An internal combustion engine employing such a compressor assembly is also disclosed.

Abstract translation: 压缩机组件对从环境接收的气流进行加压，以便输送到具有气缸体部分和气缸盖部分的内燃机。 气缸盖部分构造成将空气 - 燃料混合物供应到气缸以在其中燃烧并从其中排出后燃烧气体。 压缩机组件包括被配置为接收来自环境的气流的压缩机盖和设置在压缩机盖内并被配置为对气流加压的压缩机叶轮。 压缩机组件还包括排气再循环（EGR）阀，其结合到压缩机盖中并且与气缸盖部分和压缩机叶轮中的每一个流体连通。 EGR阀构造成控制排气后燃烧气体从气缸盖到压缩机盖的输送。 还公开了一种采用这种压缩机组件的内燃机。

公开(公告)号：US20150034408A1

公开(公告)日：2015-02-05

申请号：US13959178

申请日：2013-08-05

Applicant: GM Global Technology Operations LLC

Inventor： Ko-Jen Wu ,  Dustin Loveland

IPC: F02B37/007

CPC classification number: F02B37/007 ,  F02B37/002 ,  Y02T10/144

Abstract: An internal combustion engine includes a cylinder block defining a cylinder and a cylinder head mounted to the block. The cylinder head supplies air and fuel to the cylinder for combustion therein. The engine also includes an exhaust manifold operatively connected to the cylinder head and having a first outlet and a second outlet configured to exhaust post-combustion gasses from the cylinder. The engine also includes a turbocharging system configured to pressurize an airflow for delivery thereof to the cylinder. The turbocharging system includes a low-flow turbocharger driven by the post-combustion gasses from the first outlet to pressurize the airflow and a high-flow turbocharger driven by the post-combustion gasses from the second outlet to pressurize the airflow. The turbocharging system additionally includes a flow control device for selectively directing the post-combustion gasses to the low-flow and high-flow turbochargers. A vehicle employing such an engine is also disclosed.

Abstract translation: 内燃机包括限定汽缸的气缸体和安装在气缸体上的气缸盖。 气缸盖向气缸供应空气和燃料以在其中燃烧。 发动机还包括可操作地连接到气缸盖的排气歧管，并具有第一出口和第二出口，该第二出口配置成从气缸排出后燃气体。 发动机还包括涡轮增压系统，该涡轮增压系统构造成对气流加压以将其输送到气缸。 涡轮增压系统包括由来自第一出口的后燃气体驱动以对气流加压的低流量涡轮增压器和由来自第二出口的后燃气体驱动以对气流加压的高流量涡轮增压器。 涡轮增压系统还包括用于选择性地将后燃气体引导到低流量和高流量涡轮增压器的流量控制装置。 还公开了一种采用这种发动机的车辆。