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公开(公告)号:US20070169742A1
公开(公告)日:2007-07-26
申请号:US10573489
申请日:2004-09-02
Applicant: Goetz Brachert , Ruediger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaeflein , Hans-Juergen Weimann
Inventor: Goetz Brachert , Ruediger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaeflein , Hans-Juergen Weimann
IPC: F02B3/00
CPC classification number: F02D13/0215 , F02B1/12 , F02B17/005 , F02B23/0672 , F02D13/0265 , F02D41/3041 , F02D41/403 , F02D2041/001 , F02M26/01 , Y02T10/125 , Y02T10/128 , Y02T10/18 , Y02T10/44
Abstract: Disclosed is a method for operating an internal combustion engine, wherein fuel is injected in a pre-injection and main injection process. According to the invention, pre-injection occurs in the intermediate compression stroke of the internal combustion engine. Main injection is carried out in an intake synchronous manner. The invention can be used for internal combustion engines, particularly for passenger cars and commercial vehicles.
Abstract translation: 公开了一种操作内燃机的方法,其中在预喷射和主喷射过程中喷射燃料。 根据本发明,在内燃机的中间压缩冲程中发生预喷射。 主喷射以进气同步的方式进行。 本发明可用于内燃机,特别是乘用车和商用车。
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公开(公告)号:US20060225694A1
公开(公告)日:2006-10-12
申请号:US11411198
申请日:2006-04-25
Applicant: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
Inventor: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
CPC classification number: F02D41/3011 , F02B1/12 , F02B2275/14 , F02D13/0265 , F02D23/02 , F02D35/028 , F02D41/006 , F02D41/3035 , F02D41/3047 , F02D41/401 , F02D41/402 , F02M26/01 , Y02T10/123 , Y02T10/128 , Y02T10/144 , Y02T10/18
Abstract: In a method of operating a supercharged internal combustion engine in which exhaust gas is retained in the combustion chamber during a charge change, wherein the engine is operated with compression ignition or with spark ignition depending on the operating point and in which a charge pressure can be established for the fresh air supplied to the combustion chamber, and the exhaust gas is compressed during the charge change, and a first fuel quantity is optionally injected into the retained exhaust gas and a second fuel quantity is subsequently supplied to the combustion chamber, such that a homogeneous fuel/air mixture is formed in the combustion chamber, the retained exhaust gas quantity in the combustion chamber is corrected in such a way that the center of the combustion is displaced in the direction toward a set point value when the center of the combustion deviates from the set point value because of a change in the charge pressure of the fresh air or because of a change in the temperature of the fresh air.
Abstract translation: 在一种操作增压内燃机的方法中,其中废气在充电改变期间被保持在燃烧室中,其中发动机是用压缩点火或者根据工作点的火花点火来操作的,并且充气压力可以在 建立用于供应到燃烧室的新鲜空气,并且排气在充电变化期间被压缩,并且第一燃料量可选地被注入到所保留的废气中,并且第二燃料量随后被供应到燃烧室,使得 在燃烧室中形成均匀的燃料/空气混合物,燃烧室中保留的废气量被校正为使燃烧中心在燃烧中心朝向设定点值的方向移动 由于新鲜空气的充气压力的变化或由于温度的变化而偏离设定值 新鲜空气的风格。
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公开(公告)号:US07347180B2
公开(公告)日:2008-03-25
申请号:US11411196
申请日:2006-04-25
Applicant: Gots Brachert , Rüdiger Herweg , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
Inventor: Gots Brachert , Rüdiger Herweg , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
CPC classification number: F02D13/0265 , F02B1/12 , F02B69/06 , F02D15/00 , F02D41/3035 , F02D41/403 , F02M26/01 , Y02T10/128 , Y02T10/18 , Y02T10/44
Abstract: In a method for operating an internal combustion engine having a variable compression ratio either in a compression ignition or in a spark ignition operating mode depending on the engine operating point, a higher compression ratio is provided in the compression ignition mode than in the spark ignition mode so as to optimize the operation of the internal combustion engine at low and medium engine loads, and to reduce engine emissions.
Abstract translation: 在根据发动机工作点的压缩点火或火花点火运行模式中,具有可变压缩比的内燃机的运转方法中,在压燃点火模式下比在火花点火模式下提供更高的压缩比 以便在低和中等发动机负荷下优化内燃机的运行,并且减少发动机排放。
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公开(公告)号:US20060278185A1
公开(公告)日:2006-12-14
申请号:US11453548
申请日:2006-06-15
Applicant: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
Inventor: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
CPC classification number: F02D13/0215 , F02B1/12 , F02B69/00 , F02D41/006 , F02D41/3023 , F02D41/3035 , F02D41/3064 , F02D2041/001 , F02M26/01 , Y02T10/128 , Y02T10/18 , Y10S123/07
Abstract: In a method of operating a 4-stroke internal combustion engine selectively in a compression ignition operation, in which an outlet valve of the internal combustion engine is closed at a comparatively early closing time point with respect to a crank angle (α) and in spark ignition operation, in which the outlet valve is closed at a comparatively late closing time point with respect to the crank angle (α), during the changeover from the spark ignition mode of operation to the compression ignition mode of operation, the closing time point of the outlet valve is transferred from the late closing time point to the early closing time point in steps distributed over multiple 4-stroke cycles.
Abstract translation: 一种在压缩点火操作中选择性地操作四冲程内燃机的方法,其中内燃机的出口阀在相对于曲柄角(α)的相对较早的关闭时间点关闭,并且在火花中 点火操作,其中在从火花点火操作模式切换到压缩点火操作模式期间,出口阀在相对于曲柄角(α)的相对较晚的关闭时间点处关闭,关闭时间点 出口阀从后期关闭时间点转移到早期关闭时间点,分布在多个4冲程循环中。
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公开(公告)号:US20060219215A1
公开(公告)日:2006-10-05
申请号:US11411197
申请日:2006-04-25
Applicant: Gotz Brachert , Rudiger Herweg , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
Inventor: Gotz Brachert , Rudiger Herweg , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
CPC classification number: F02D13/0265 , F02B17/005 , F02B23/08 , F02B23/104 , F02B2075/027 , F02B2075/125 , F02D41/006 , F02D41/3035 , F02D41/3047 , F02D41/3094 , F02M26/01 , Y02T10/123 , Y02T10/125 , Y02T10/128 , Y02T10/18
Abstract: In a method of operating an internal combustion engine in which exhaust gas is retained in the combustion chamber of the internal combustion engine and compressed during a charge change together with fresh combustion air, a first fuel quantity is injected into the retained exhaust gas by means of direct fuel injection, a second fuel quantity is subsequently supplied to the combustion chamber together with the fresh combustion air so that a homogeneous fuel/gas/air mixture is formed in the combustion chamber, and an auto-ignition time of the fuel/gas/air mixture is established as a function of a quantity ratio of the first fuel quantity and the second fuel quantity.
Abstract translation: 在内燃机的操作方法中,在内燃机的燃烧室中保持排气并与新鲜的燃烧空气一起在充气变化期间被压缩的内燃机的方法,将第一燃料量通过 直接燃料喷射,第二燃料量随后与新鲜燃烧空气一起被供应到燃烧室,使得在燃烧室中形成均匀的燃料/气体/空气混合物,并且燃料/气体/ 作为第一燃料量和第二燃料量的量比的函数建立空气混合物。
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公开(公告)号:US20060201489A1
公开(公告)日:2006-09-14
申请号:US11403563
申请日:2006-04-13
Applicant: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
Inventor: Gotz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schaflein , Hans-Jurgen Weimann
CPC classification number: F02D13/0207 , F02B1/12 , F02B11/02 , F02B17/005 , F02B23/08 , F02B23/104 , F02B69/00 , F02B2075/027 , F02B2075/125 , F02D13/0265 , F02D41/0002 , F02D41/006 , F02D41/3035 , F02D41/3064 , F02D41/403 , F02D2041/001 , F02D2041/002 , F02D2041/389 , F02M26/01 , Y02T10/123 , Y02T10/125 , Y02T10/128 , Y02T10/18 , Y02T10/42 , Y02T10/44
Abstract: In a method of operating a reciprocating-piston internal combustion engine with a combustion chamber in which a fuel mix with fresh gas is provided via intake ports and combustion exhaust gases are discharged through exhaust ports which can be opened by intake valves and, respectively, exhaust valves which are actuated by a valve operating mechanism, wherein an operating mode with external ignition, in which the fuel mix is ignited by a spark plug, is provided in part of the load range of the internal combustion engine, and an operating mode with compression ignition, in which the control of the gas exchange valves is altered so as to retain combustion exhaust gases in the combustion chamber for participation in the formation of the fresh mix is provided in another load range of the internal combustion engine, during a change in the operating mode the valve lift of at least one of the gas exchange valves is altered.
Abstract translation: 在具有燃烧室的往复活塞式内燃机的操作方法中,在该燃烧室中,通过进气口提供与新鲜气体混合的燃料,燃烧废气通过排气口排出,该排气口可由进气门打开,分别排气 由阀操作机构致动的阀,其中在内燃机的负载范围的一部分中提供具有外部点火的操作模式,其中燃料混合物由火花塞点燃,并且具有压缩的操作模式 在内燃机的另一个负载范围内,在内燃机的改变期间,改变气体交换阀的控制以便在燃烧室中保持燃烧废气以参与新鲜混合物的形成的点火 操作模式改变了至少一个气体交换阀的气门升程。
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公开(公告)号:US07398744B2
公开(公告)日:2008-07-15
申请号:US11453548
申请日:2006-06-15
Applicant: Götz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
Inventor: Götz Brachert , Rudiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
CPC classification number: F02D13/0215 , F02B1/12 , F02B69/00 , F02D41/006 , F02D41/3023 , F02D41/3035 , F02D41/3064 , F02D2041/001 , F02M26/01 , Y02T10/128 , Y02T10/18 , Y10S123/07
Abstract: In a method of operating a 4-stroke internal combustion engine selectively in a compression ignition operation, in which an outlet valve of the internal combustion engine is closed at a comparatively early closing time point with respect to a crank angle (α) and in spark ignition operation, in which the outlet valve is closed at a comparatively late closing time point with respect to the crank angle (α), during the changeover from the spark ignition mode of operation to the compression ignition mode of operation, the closing time point of the outlet valve is transferred from the late closing time point to the early closing time point in steps distributed over multiple 4-stroke cycles.
Abstract translation: 一种在压缩点火操作中选择性地操作四冲程内燃机的方法,其中内燃机的出口阀在相对于曲柄角(α)的相对较早的关闭时间点关闭,并且在火花中 点火操作,其中在从火花点火操作模式切换到压缩点火操作模式期间,出口阀在相对于曲柄角(α)的相对较晚的关闭时间点处关闭,关闭时间点 出口阀从后期关闭时间点转移到早期关闭时间点,分布在多个4冲程循环中。
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公开(公告)号:US07347179B2
公开(公告)日:2008-03-25
申请号:US11389663
申请日:2006-03-24
Applicant: Götz Brachert , Rüdiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
Inventor: Götz Brachert , Rüdiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
CPC classification number: F02D13/0219 , F02B1/12 , F02B23/101 , F02B27/00 , F02B2075/125 , F02D13/0253 , F02D13/0265 , F02D35/028 , F02D41/3035 , F02D2041/001 , F02M26/01 , Y02T10/123 , Y02T10/128 , Y02T10/146 , Y02T10/18
Abstract: In a method for operating an internal combustion engine in which the angular locations where the fuel/air mix combustions takes place can be controlled by an adjustment of the inlet and outlet valve timing, the timing of at least one of the intake and exhaust valve opening phases is shifted depending on the engine speed so as to reduce engine emissions.
Abstract translation: 在用于操作其中发生燃料/空气混合燃烧的角位置的内燃机的方法可以通过调节入口和出口气门正时来控制,进气门和排气门开口中的至少一个的正时 相位根据发动机转速而偏移,以减少发动机的排放。
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公开(公告)号:US20070246013A1
公开(公告)日:2007-10-25
申请号:US11796796
申请日:2007-04-27
Applicant: Rudiger Herweg , Matthias Pfau , Mayk Stelter
Inventor: Rudiger Herweg , Matthias Pfau , Mayk Stelter
CPC classification number: F02D35/028 , F02D35/023 , F02D2041/281
Abstract: In a method for operating an internal combustion engine including a control device and having a cylinder including a combustion chamber formed in the cylinder between a cylinder head and a piston and in which a first combustion chamber pressure (p1) is measured before the start of the combustion, a second combustion chamber pressure (p2) is measured after the end of the combustion and a third combustion chamber pressure (p3) is measured during the combustion, and a combustion center position of the respective combustion process is determined therefrom by the control device and the engine operating conditions are adjusted so as to bring the combustion center position to an optimum position for minimizing fuel consumption and exhaust emission.
Abstract translation: 在一种用于操作包括控制装置的内燃机的方法中,具有包括形成在汽缸头和活塞之间的气缸中的燃烧室的汽缸,其中第一燃烧室压力(p> )在燃烧开始之前被测量,在燃烧结束之后测量第二燃烧室压力(p <2> 2),并且在第三燃烧室压力(p < ),并且通过控制装置确定各燃烧过程的燃烧中心位置,并且调节发动机工作条件以使燃烧中心位置达到最佳位置,以使燃料消耗和废气排放最小化 。
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公开(公告)号:US07284531B2
公开(公告)日:2007-10-23
申请号:US11389662
申请日:2006-03-24
Applicant: Götz Brachert , Rüdiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
Inventor: Götz Brachert , Rüdiger Herweg , Kai Kanning , Matthias Pfau , Jochen Schäflein , Hans-Jürgen Weimann
IPC: F02B3/04
CPC classification number: F02D13/0215 , F02B1/12 , F02B11/02 , F02B2075/027 , F02B2075/125 , F02D13/0265 , F02D41/3041 , F02D41/403 , F02D2041/001 , F02M26/01 , Y02T10/123 , Y02T10/128 , Y02T10/18 , Y02T10/44
Abstract: In a method for operating an internal combustion engine in which the fuel is injected into a combustion chamber of a pre-injection and a main injection quantity, the quantity of fuel for the pre-injection, which is selected depending on the combustion location, is injected before the top dead center of the gas exchange, and the fuel for the main injection is injected synchronously with the induction of the air. The method is used in connection with internal combustion engines, in particular for passenger and commercial motor vehicles.
Abstract translation: 在将燃料喷射到预喷射的燃烧室和主喷射量的内燃机的操作方法中,根据燃烧位置选择的预喷射用燃料量为 在气体交换的上止点之前注入,并且用于主喷射的燃料与空气的感应同步地喷射。 该方法用于内燃机,特别是用于客车和商用机动车辆。
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