公开(公告)号：US20170234216A1

公开(公告)日：2017-08-17

申请号：US15433285

申请日：2017-02-15

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Russell P. Durrett ,  Paul M. Najt ,  Peter P. Andruskiewicz, IV ,  Jason R. Traub ,  Michael J. Walker

IPC: F02B77/11 ,  C23C4/129 ,  F02F3/10 ,  C25D3/12 ,  C25D15/00 ,  B23K1/00 ,  C23C18/16 ,  C25D7/00

Abstract: A composite thermal barrier coating (TBC) may be applied to a surface of components within an internal combustion engine. The composite TBC provides low thermal conductivity and low heat capacity insulation that is sealed against combustion gasses. The composite TBC includes three layers, bonded to one another, i.e., a first (bonding) layer, a second (insulating) layer, and a third (sealing) layer. The insulating layer is disposed between the bonding layer and the sealing layer. The bonding layer is bonded to the component and to the insulating layer. The insulating layer includes hollow microspheres that are sintered together to form insulation that provides a low effective thermal conductivity and low effective heat capacity. The sealing layer is a thin film that is configured to resist the high temperatures, present within the engine. The sealing layer is impermeable to gasses and presents a smooth surface.

公开(公告)号：US20160376980A1

公开(公告)日：2016-12-29

申请号：US14751673

申请日：2015-06-26

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Hung-Yih Isaac Du ,  Jun Zhou ,  Russell P. Durrett

IPC: F02B41/06 ,  F01B9/02 ,  F16F15/26 ,  F02B75/18

Abstract: A single-shaft dual expansion internal combustion engine includes an engine block, a cylinder head and a crankshaft. First and second power pistons are moveable in first and second power cylinders and are connected to first and second crankpins of the crankshaft. An expander piston is moveable in an expander cylinder and is connected via a multi-link connecting rod assembly to a third crankpin of the crankshaft. A first balance shaft is arranged in a first longitudinal opening in the engine block, and a second balance shaft is arranged in a second longitudinal opening in the engine block. The first and second balance shafts have first and second counterweight portions, respectively, and the crankshaft has a third counterweight portion causing an imbalance in the crankshaft.

Abstract translation: 单轴双膨胀内燃机包括发动机缸体，气缸盖和曲轴。 第一和第二动力活塞可在第一和第二动力缸中移动并且连接到曲轴的第一和第二曲柄销。 膨胀活塞可在膨胀缸中移动，并通过多连杆连杆组件连接到曲轴的第三曲柄销。 第一平衡轴布置在发动机缸体中的第一纵向开口中，并且第二平衡轴布置在发动机缸体中的第二纵向开口中。 第一和第二平衡轴分别具有第一和第二配重部分，并且曲轴具有引起曲轴不平衡的第三配重部分。

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

IPC: F02B41/06 ,  F02B75/22 ,  F02B75/18

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。

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

IPC: F02B33/06 ,  F02B75/32 ,  F16C7/02 ,  F02B75/18

CPC classification number: F16C7/023 ,  F02B33/00 ,  F02B41/06 ,  F02B75/32

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。