公开(公告)号：WO2017213566A1

公开(公告)日：2017-12-14

申请号：PCT/SE2017/050451

申请日：2017-05-08

Applicant: SCANIA CV AB

Inventor： OLOFSSON, Eric ,  DAHL, Andreas ,  LINDERYD, Johan ,  HÖGLUND, Henrik ,  ELIASSEN, Torbjörn ,  STÅLHAMMAR, Per ,  ASPFORS, Jonas

IPC: F01L9/02 ,  F01L1/46 ,  F01L1/053 ,  F01L1/08 ,  F01L1/18 ,  F01L13/00

Abstract: Herein a four stroke internal combustion engine (2) comprising at least one cylinder arrangement (4), a crankshaft (20), a camshaft (25), and a turbine (8), is disclosed. The camshaft (25) is synchronised with the crankshaft (20) to rotate at a same rotational speed as the crankshaft (20). A linkage arrangement (40) is configured to prevent the motion of the valve head (30) every alternate rotation of the camshaft (25), such that the exhaust opening (28) remains closed during a compression stroke of the piston (10). Also a method for controlling a four stroke internal combustion engine (2) is disclosed.

Abstract translation: 这里公开了一种包括至少一个气缸装置（4），曲轴（20），凸轮轴（25）和涡轮机（8）的四冲程内燃机（2）。 凸轮轴（25）与曲轴（20）同步以与曲轴（20）相同的转速旋转。 联动装置（40）构造成防止每当凸轮轴（25）的交替旋转时阀头（30）的运动，使得在活塞（10）的压缩冲程期间排气口（28）保持关闭。 还公开了一种用于控制四冲程内燃机（2）的方法。

公开(公告)号：WO2017160214A1

公开(公告)日：2017-09-21

申请号：PCT/SE2017/050249

申请日：2017-03-15

Applicant: SCANIA CV AB

Inventor： LINDERYD, Johan ,  USSNER, Matthias ,  ELIASSEN, Torbjörn ,  TIMREN, Thomas

IPC: F01N3/20 ,  F01N5/02 ,  F01N13/08

Abstract: The present invention relates a control system and a method for controlling the exhaust flow in an exhaust line (3) of a combustion engine (2) comprising at least one exhaust treatment component (5) and an evaporator (7) of a WHR system. The control system comprises a valve arrangement (8, 9, 34-36) in the exhaust line control unit (10), a temperature sensor configured to sense a temperature related to the temperature of the exhaust treatment component (5) and a control unit (10) configured to position the valve arrangement (8, 9) in a first position when the exhaust treatment component has a lower temperature than a specific temperature in which position the exhaust gases are directed to the exhaust treatment component (5) before they are directed to the evaporator (7) and in a second position when the exhaust treatment component has a higher temperature than said specific temperature in which position the exhaust gases are directed to enter the evaporator (7) before they are directed to the exhaust treatment component (5).

Abstract translation: 本发明涉及一种用于控制内燃机（2）的排气管路（3）中的排气流量的控制系统和方法，所述排气管路包括至少一个排气处理部件（5）和蒸发器 （7）WHR系统。 控制系统包括排气管线控制单元（10）中的阀门装置（8,9,34-36），配置成感测与排气处理部件（5）的温度有关的温度的温度传感器和控制单元 （10），其构造成当排气处理部件具有比排气处理部件（5）在排气处理部件（5）被引导至排气处理部件（5）之前的特定温度低的温度时将阀装置（8,9）定位在第一位置 当排气处理部件具有比所述特定温度更高的温度时，在排气处理部件被引导至蒸发器（7）并处于第二位置时，排气在指向排气处理部件（7）之前被引导进入蒸发器（7） 5）。

公开(公告)号：WO2007073329A1

公开(公告)日：2007-06-28

申请号：PCT/SE2006/050563

申请日：2006-12-08

Applicant: SCANIA CV AB (publ) ,  LINDERYD, Johan ,  LARSSON, Anders

Inventor： LINDERYD, Johan ,  LARSSON, Anders

IPC: F02B1/12 ,  F02D35/02 ,  F02D41/30

CPC classification number: F02D41/3047 ,  F02B1/12 ,  F02B7/04 ,  F02B17/00 ,  F02B47/08 ,  F02D13/0253 ,  F02D41/0065 ,  F02D41/3094 ,  F02M26/24 ,  F02M26/38

Abstract: The present invention relates to a arrangement and a method for a combustion engine of the type where self-ignition of a fuel mixture takes place. The arrangement comprises first means adapted to supplying a first partial quantity of the fuel mixture to the combustion space (3), and a second means adapted to supplying a second partial quantity of the fuel mixture to the combustion space, which second partial quantity of the fuel mixture is at a different fuel concentration from the first partial quantity of the fuel mixture. Said means is adapted to supplying the first partial quantity of the fuel mixture and the second partial quantity of the fuel mixture in such a way as to create in the combustion space (3) at least one region which is at a higher fuel concentration than other regions and in which the self-ignition of the fuel mixture is intended to start.

Abstract translation: 本发明涉及一种燃料混合物的自点火类型的内燃机的装置和方法。 该装置包括适于将第一部分量的燃料混合物供应到燃烧空间（3）的第一装置和适于将第二部分燃料混合物供应到燃烧空间的第二装置，该第二部分量的 燃料混合物处于与燃料混合物的第一部分量不同的燃料浓度。 所述装置适于以第一部分量的燃料混合物和第二部分燃料混合物的供给方式在燃烧空间（3）中产生至少一个比其他燃料浓度高的燃料浓度的区域 区域，并且燃料混合物的自点火将在其中开始。

公开(公告)号：WO2002095210A1

公开(公告)日：2002-11-28

申请号：PCT/SE2002/000917

申请日：2002-05-15

Applicant: SCANIA CV AB (publ) ,  LINDERYD, Johan ,  LARSSON, Anders ,  MATTSSON, Christer

Inventor： LINDERYD, Johan ,  LARSSON, Anders ,  MATTSSON, Christer

IPC: F02M25/07

CPC classification number: F02D13/0276 ,  F02B1/12 ,  F02B3/06 ,  F02B47/08 ,  F02B2275/14 ,  F02M26/05 ,  F02M26/20 ,  F02M26/23 ,  F02M26/36 ,  F02M26/38 ,  F02M26/44 ,  Y02T10/123 ,  Y02T10/18

Abstract: A method for fuel injection in a four-stroke combustion engine (1) of piston-and-cylinder type with compression ignition, whereby a specified fuel quantity is supplied to a combustion chamber (2) for each working cycle, and whereby EGR gases are led back to the combustion chamber (2). At least a first portion of said fuel quantity is combined with hot EGR gases for supply to the combustion chamber (2). The invention also relates to a combustion engine working according to the method.

Abstract translation: 一种在具有压缩点火的活塞和缸型的四冲程内燃机（1）中进行燃料喷射的方法，由此在每个工作循环中向燃烧室（2）供应特定的燃料量，并且由此EGR气体 引导回燃烧室（2）。 所述燃料量的至少第一部分与用于供应到燃烧室（2）的热EGR气体组合。 本发明还涉及根据该方法工作的内燃机。

公开(公告)号：WO2019070190A1

公开(公告)日：2019-04-11

申请号：PCT/SE2018/051024

申请日：2018-10-05

Applicant: SCANIA CV AB

Inventor： OLOFSSON, Eric ,  NORLING, Daniel ,  DAHL, Andreas ,  ASPFORS, Jonas ,  LINDERYD, Johan ,  HÖGLUND, Henrik ,  ELIASSEN, Torbjörn ,  STÅLHAMMAR, Per

IPC: F02B27/06 ,  F02B37/02 ,  F02B37/20 ,  F02B37/22 ,  F02D9/04

Abstract: Herein an internal combustion engine, ICE, (2) is disclosed. The ICE (2) comprises a second valve (40) arranged in an exhaust conduit (6). The exhaust conduit (6) extending from an exhaust valve (26) to an inlet of a turbine (8). The second valve (40) is configured to close and open the exhaust conduit (6). The second valve (40) is opened after the exhaust valve (26) has started to open. The second valve (40) has a faster valve area opening speed than the exhaust valve (26). The second valve (40) starts to open within a range of 10 - 90 degrees crankshaft angle after the exhaust valve (26) has started to open.

公开(公告)号：WO2018097780A1

公开(公告)日：2018-05-31

申请号：PCT/SE2017/051031

申请日：2017-10-19

Applicant: SCANIA CV AB

Inventor： KARDOS, Zoltan ,  USSNER, Matthias ,  TIMREN, Thomas ,  LINDERYD, Johan

IPC: F02G5/02 ,  F01K23/06 ,  F01K25/08 ,  F01N5/02

CPC classification number: F01N5/02 ,  F01K23/065 ,  F01K23/101 ,  F01K25/08 ,  F01N2240/02 ,  F02G5/02 ,  Y02T10/16 ,  Y02T10/166

Abstract: The present invention relates to a WHR-system for a vehicle. The WHR-system comprises a pump (3) configured to pressurize and circulate a working medium in a closed circuit (4), an evaporator (5) in which the working medium is configured to be heated and evaporated, an expander (7) in which the working medium is configured to expand and a condenser (13) in which the working medium is configured to be cooled and condensed. The condenser (13) is made by aluminum and that the WHR system comprises a cooling arrangement configured to cool the working medium such that it has a temperature when it enters the aluminum condenser at which the working medium is deemed to be harmless to the aluminum condenser (13).

公开(公告)号：WO2015133960A1

公开(公告)日：2015-09-11

申请号：PCT/SE2015/050214

申请日：2015-02-26

Applicant: SCANIA CV AB

Inventor： OLOFSSON, Eric ,  STENLÅÅS, Ola ,  LINDERYD, Johan ,  DAHL, Andreas ,  SARBY, Håkan

IPC: F02D13/06 ,  F02D17/02

CPC classification number: F02D13/06 ,  F02D13/0257 ,  F02D17/00 ,  F02D17/02 ,  F02D41/0087 ,  F02D41/024 ,  F02D2041/0012 ,  F02D2250/28 ,  Y02T10/18

Abstract: The invention relates to an internal combustion engine of four-stroke type, comprising a first valve control means (21), which is arranged to control the first valve (18) to open at a bottom dead centre (BDC) for the piston (P1 ) in a first cylinder (C1), between an expansion stroke and an exhaust stroke, and to close at a top dead centre (TDC) for the piston (P1) in the first cylinder (C1), between the exhaust stroke and an inlet stroke. A second valve control means (22) is arranged to control a second valve (19) to open when the first valve (18) closes, and to close at the bottom dead centre (BDC), between the inlet stroke and a compression stroke. A deactivation device (34) is arranged to control a third valve (24), so that it remains closed during all the strokes of the engine (2). The invention also pertains to a vehicle (1) comprising such an internal combustion engine (2) and a method to control an internal combustion engine (2)

Abstract translation: 本发明涉及一种四冲程型内燃机，包括第一阀控制装置（21），其被布置成控制第一阀（18）在活塞的下死点（BDC）处打开（P1 ）在第一气缸（C1）中，在膨胀冲程和排气冲程之间，并且在排气冲程和入口之间的第一气缸（C1）中的活塞（P1）的上止点（TDC）处关闭， 行程。 第二阀控制装置（22）布置成控制在第一阀（18）关闭时第二阀（19）打开，并在入口冲程和压缩冲程之间在下死点（BDC）关闭。 排气装置（34）被布置成控制第三阀（24），使得其在发动机（2）的所有冲程期间保持关闭。 本发明还涉及包括这种内燃机（2）的车辆（1）和控制内燃机（2）的方法，

公开(公告)号：WO2005019627A1

公开(公告)日：2005-03-03

申请号：PCT/SE2004/001212

申请日：2004-08-19

Applicant: SCANIA CV AB (publ) ,  LINDERYD, Johan ,  AGRELL, Fredrik

Inventor： LINDERYD, Johan ,  AGRELL, Fredrik

IPC: F02D13/02

CPC classification number: F02D13/0215 ,  F02B1/12 ,  F02D13/0265 ,  F02D13/0269 ,  F02D15/04 ,  F02D35/023 ,  F02D35/028 ,  F02D41/3035 ,  F02D2041/001 ,  Y02T10/128 ,  Y02T10/142

Abstract: The present invention relates to an arrangement and a method for controlling a combustion engine (1), e.g. of the type called HCCI engine. The arrangement comprises a control unit (19) adapted to controlling the self-ignition of the fuel mixture towards an optimum crankshaft angle (cad iopt ) within a load range (L tot ). Said load range (L tot ) can be divided into at least two subranges (L II , L III ) and the control unit (19) is adapted to controlling the self-ignition of the fuel mixture towards an optimum crankshaft angle (cad iopt ) within one of said subranges (L II ) by means of a strategy (II) which entails the effective compression ratio (c) in the cylinder (2) being varied, and within the second subrange (L III ) by means of another strategy (III) which entails a variable amount of cooled exhaust gases (ceg) being led to the combustion chamber (3) so that it becomes possible also in the second subrange (L III ) to control the self-ignition of the fuel mixture towards an optimum crankshaft angle (cad iopt ) by variation of the effective compression ratio (c) in the cylinder (2) without it falling below a lowest acceptable value (c min ).

Abstract translation: 本发明涉及一种用于控制内燃机（1）的装置和方法，例如， 称为HCCI引擎。 该装置包括控制单元（19），该控制单元（19）适于在负载范围（L tot）内控制燃料混合物的自点火朝向最佳曲轴角度（角速度）。 所述负载范围（Ltot）可以被分成至少两个子范围（LII，LIII），并且所述控制单元（19）适于将所述燃料混合物的自燃点控制在所述燃料混合物之一内的最佳曲轴角度 通过使得气缸（2）中的有效压缩比（c）变化的策略（II）和通过另外的策略（III）在第二子范围（LIII）内的子范围（LII），其需要变量 冷却的废气（ceg）的量被引导到燃烧室（3），使得在第二子范围（LIII）中也可能通过变化来控制燃料混合物的自燃到最佳的曲轴角度（圆弧度） 的气缸（2）中的有效压缩比（c），而不低于最低可接受值（cmin）。

公开(公告)号：WO2018139968A1

公开(公告)日：2018-08-02

申请号：PCT/SE2018/050022

申请日：2018-01-12

Applicant: SCANIA CV AB

Inventor： KARDOS, Zoltan ,  LINDERYD, Johan ,  HÖGLUND, Henrik ,  ASPFORS, Jonas

IPC: F01P3/02 ,  F01P7/16 ,  F01K23/06 ,  F02B29/04

Abstract: The present invention relates to a cooling system for cooling of a combustion engine (2). The cooling system comprises a cylinder block inlet line (3a) configured to direct coolant to the cylinder block (3) of the combustion engine (2) and a cylinder block outlet line (3b) configured to receive coolant from the cylinder block (3) and a cylinder head inlet line (4a) configured to direct coolant at a second temperature (T2) to the cylinder head (4) of the combustion engine (2) and a cylinder head outlet line (4b) configured to receive coolant from the cylinder head (4). A first valve device (6) and a second (12) are configured to direct coolant at a first temperature (T) to the cylinder block (3) and coolant at a lower second temperature (T2) to the cylinder head (4)

公开(公告)号：WO2017078597A1

公开(公告)日：2017-05-11

申请号：PCT/SE2016/051070

申请日：2016-11-01

Applicant: SCANIA CV AB

Inventor： LINDERYD, Johan ,  HÖGLUND, Henrik ,  USSNER, Matthias ,  ASPFORS, Jonas ,  OLOFSSON, Eric ,  NORLING, Daniel

IPC: F02B41/04 ,  F02B37/02 ,  F02F1/22

CPC classification number: F02B37/02 ,  F01B17/02 ,  F02B41/04 ,  F02B2075/027 ,  F02F1/00 ,  F02F1/18 ,  Y02T10/144

Abstract: Herein an internal combustion engine (2) comprising at least one cylinder arrangement (4) forming a combustion chamber (23) is disclosed. The engine (2) further comprises at least one turbine (21) comprising a turbine wheel (26) and having a turbine wheel inlet area, A TIN . An exhaust conduit (6) extends from a port (15) arranged in a lower half of a cylinder bore (12) of the cylinder arrangement (4) to the turbine wheel inlet area, A TIN . The piston (10) has different piston stroke lengths, the power and exhaust strokes being longer than the intake and compression strokes, such that the port (15) is uncovered by the piston (10) during part of the power and exhaust strokes and is covered by the piston (10) during the intake and compression strokes.

Abstract translation: 在此公开了一种包括形成燃烧室（23）的至少一个汽缸装置（4）的内燃机（2）。 发动机（2）还包括至少一个涡轮机（21），其包括涡轮机叶轮（26）并且具有涡轮机叶轮入口区域AIN。 排气导管（6）从布置在气缸装置（4）的气缸孔（12）的下半部中的端口（15）延伸到涡轮机入口区域AIN。 活塞（10）具有不同的活塞冲程长度，动力冲程和排气冲程比进气冲程和压缩冲程长，使得端口（15）在动力和排气冲程的部分期间不被活塞（10）覆盖，并且 在进气和压缩冲程期间由活塞（10）覆盖。