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公开(公告)号：US09080508B2
公开(公告)日：2015-07-14
申请号：US14050089
申请日：2013-10-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz
Abstract: A piston compound internal combustion engine is disclosed with an expander piston deactivation feature. A piston internal combustion engine is compounded with a secondary expander piston, where the expander piston extracts energy from the exhaust gases being expelled from the primary power pistons. The secondary expander piston can be deactivated and immobilized, or its stroke can be reduced, under low load conditions in order to reduce parasitic losses and over-expansion. Two mechanizations are disclosed for the secondary expander piston's coupling with the power pistons and crankshaft. Control strategies for activation and deactivation of the secondary expander piston are also disclosed.
Abstract translation: 公开了具有膨胀机活塞停用特征的活塞复合式内燃机。 活塞内燃机与二次膨胀活塞混合，其中膨胀机活塞从废气中抽出能量从主动力活塞中排出。 可以在低负载条件下，二次膨胀活塞被去活和固定，或者可以降低其行程，以减少寄生损耗和过度膨胀。 公开了两个机械化用于二次膨胀活塞与动力活塞和曲轴的联接。 还公开了二次膨胀活塞的活化和失活的控制策略。
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Patent Agency Ranking
公开(公告)号：US09574491B2
公开(公告)日：2017-02-21
申请号：US14610393
申请日：2015-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz , Steve Miller , Ian Whiteside , Steve Anstey
CPC classification number: F02B41/06 , F02B75/18 , F02B75/228 , F02B2075/1812
Abstract: A single-shaft dual expansion internal combustion engine includes first and second power cylinders and an expander cylinder. The cylinder head fluidly couples the first and second power cylinders and the expander cylinder. First and second power pistons reciprocate in the first and second power cylinders and connect to a first crankpin of the crankshaft. A multi-link connecting rod assembly includes a rigid main arm supporting a first pivot pin, a second pivot pin and a third pivot pin. The first pivot pin connects to an expander piston reciprocating in the third cylinder. The third pivot pin couples to a first end of a swing arm, and a second end of the swing arm rotatably couples to a fourth pivot pin that couples to a distal end of a rotating arm that attaches to a rotating shaft coupled to rotation of the crankshaft.
Abstract translation: 单轴双膨胀内燃机包括第一和第二动力缸和膨胀缸。 气缸盖流体地联接第一和第二动力缸和膨胀缸。 第一和第二动力活塞在第一和第二动力缸中往复运动，并连接到曲轴的第一曲柄销。 多连杆连杆组件包括支撑第一枢转销，第二枢转销和第三枢转销的刚性主臂。 第一枢轴销连接到在第三气缸中往复运动的膨胀机活塞。 第三枢轴销耦合到摆臂的第一端，并且摆臂的第二端可旋转地联接到第四枢轴销，该第四枢轴销连接到旋转臂的远端，旋转臂的远端连接到旋转轴 曲轴。
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公开(公告)号：US20160222877A1
公开(公告)日：2016-08-04
申请号：US14610393
申请日：2015-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz , Steve Miller , Ian Whiteside , Steve Anstey
CPC classification number: F02B41/06 , F02B75/18 , F02B75/228 , F02B2075/1812
Abstract: A single-shaft dual expansion internal combustion engine includes first and second power cylinders and an expander cylinder. The cylinder head fluidly couples the first and second power cylinders and the expander cylinder. First and second power pistons reciprocate in the first and second power cylinders and connect to a first crankpin of the crankshaft. A multi-link connecting rod assembly includes a rigid main arm supporting a first pivot pin, a second pivot pin and a third pivot pin. The first pivot pin connects to an expander piston reciprocating in the third cylinder. The third pivot pin couples to a first end of a swing arm, and a second end of the swing arm rotatably couples to a fourth pivot pin that couples to a distal end of a rotating arm that attaches to a rotating shaft coupled to rotation of the crankshaft.
Abstract translation: 单轴双膨胀内燃机包括第一和第二动力缸和膨胀缸。 气缸盖流体地联接第一和第二动力缸和膨胀缸。 第一和第二动力活塞在第一和第二动力缸中往复运动，并连接到曲轴的第一曲柄销。 多连杆连杆组件包括支撑第一枢转销，第二枢转销和第三枢转销的刚性主臂。 第一枢轴销连接到在第三气缸中往复运动的膨胀机活塞。 第三枢轴销耦合到摆臂的第一端，并且摆臂的第二端可旋转地联接到第四枢轴销，该第四枢轴销连接到旋转臂的远端，旋转臂的远端连接到旋转轴 曲轴。
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公开(公告)号：US20160222872A1
公开(公告)日：2016-08-04
申请号：US14610409
申请日：2015-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz
Abstract: A single-shaft dual expansion internal combustion engine is described, and includes an engine block including first and second power cylinders and an expander cylinder fluidly coupled through a cylinder head, and first and second power pistons that connect to respective first and second crankpins of the crankshaft. A multi-link connecting rod assembly includes a rigid main arm extending orthogonally to a longitudinal axis of the crankshaft and supporting a first pivot pin, a second pivot pin and a third pivot pin. The first pivot pin connects via a connecting rod to an expander piston reciprocating in the third cylinder. A third crankpin of the crankshaft serves as the second pivot pin and has a throw that is located 180 degrees of rotation of the crankshaft from a throw of the first crankpin. The third pivot pin connects to a swing arm connected to the engine block.
Abstract translation: 描述了单轴双膨胀内燃机，并且包括包括第一和第二动力缸的发动机缸体和通过气缸盖流体连接的膨胀机气缸，以及连接到相应的第一和第二曲轴销的第一和第二动力活塞 曲轴。 多连杆连杆组件包括刚性主臂，其与曲轴的纵向轴线正交延伸，并支撑第一枢转销，第二枢轴销和第三枢轴销。 第一枢轴销通过连杆连接到在第三缸中往复运动的膨胀活塞。 曲轴的第三曲柄销用作第二枢转销，并且具有位于曲轴的180度旋转的从第一曲柄销的一掷的投掷。 第三枢轴销连接到连接到发动机缸体的摆臂。
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公开(公告)号：US09605708B2
公开(公告)日：2017-03-28
申请号：US14610409
申请日：2015-01-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz
Abstract: A single-shaft dual expansion internal combustion engine is described, and includes an engine block including first and second power cylinders and an expander cylinder fluidly coupled through a cylinder head, and first and second power pistons that connect to respective first and second crankpins of the crankshaft. A multi-link connecting rod assembly includes a rigid main arm extending orthogonally to a longitudinal axis of the crankshaft and supporting a first pivot pin, a second pivot pin and a third pivot pin. The first pivot pin connects via a connecting rod to an expander piston reciprocating in the third cylinder. A third crankpin of the crankshaft serves as the second pivot pin and has a throw that is located 180 degrees of rotation of the crankshaft from a throw of the first crankpin. The third pivot pin connects to a swing arm connected to the engine block.
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公开(公告)号：US20140123958A1
公开(公告)日：2014-05-08
申请号：US14050089
申请日：2013-10-09
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Russell P. Durrett , Paul M. Najt , Peter Andruskiewicz
IPC: F02B75/04
Abstract: A piston compound internal combustion engine is disclosed with an expander piston deactivation feature. A piston internal combustion engine is compounded with a secondary expander piston, where the expander piston extracts energy from the exhaust gases being expelled from the primary power pistons. The secondary expander piston can be deactivated and immobilized, or its stroke can be reduced, under low load conditions in order to reduce parasitic losses and over-expansion. Two mechanizations are disclosed for the secondary expander piston's coupling with the power pistons and crankshaft. Control strategies for activation and deactivation of the secondary expander piston are also disclosed.
Abstract translation: 公开了具有膨胀机活塞停用特征的活塞复合式内燃机。 活塞内燃机与二次膨胀活塞混合，其中膨胀机活塞从废气中抽出能量从主动力活塞中排出。 可以在低负载条件下，二次膨胀活塞被去活和固定，或者可以降低其行程，以减少寄生损耗和过度膨胀。 公开了两个机械化用于二次膨胀活塞与动力活塞和曲轴的联接。 还公开了二次膨胀活塞的活化和失活的控制策略。
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