公开(公告)号：US07832381B2

公开(公告)日：2010-11-16

申请号：US12627243

申请日：2009-11-30

申请人： Ekkehard Pott ,  Oliver Fladung ,  Jörg Theobald

发明人： Ekkehard Pott ,  Oliver Fladung ,  Jörg Theobald

IPC分类号： F02M21/02 ,  F02B3/00

CPC分类号： F02D41/0027 ,  F02D19/0621 ,  F02D19/0623 ,  F02D19/0647 ,  F02D19/0689 ,  F02D19/0694 ,  F02D19/084 ,  F02D41/221 ,  F02D41/2454 ,  F02D41/2467 ,  F02D41/3011 ,  F02D41/3094 ,  F02M43/04 ,  Y02T10/36

摘要： A method for operating an internal combustion engine in the form of an Otto engine, especially of a motor vehicle, selectively uses carburetor fuel, especially gasoline or ethanol (E85) by direct injection into at least one combustion chamber of the internal combustion engine by means of at least one fuel injector. Optionally, instead of injecting ignition spark engine fuel or in addition to injecting ignition spark engine fuel, the internal combustion engine is operated with gas, especially CNG (Compressed Natural Gas) or LPG (Liquefied Petroleum Gas). A mixture adaptation value is continuously determined during the operation of the internal combustion engine with spark ignition engine fuel. An actual mixture adaptation value is stored in a memory during the operation of the internal combustion engine with the spark ignition engine fuel and, after a predetermined minimum duration of operation with gas, an actual mixture adaptation value is compared with the stored mixture adaptation value during the operation of the internal combustion engine with ignition spark engine fuel. The fuel injectors are scavenged when a difference between the actual mixture adaptation value and the stored mixture adaptation value exceeds a predetermined difference value.

摘要翻译： 用于操作奥托发动机，特别是机动车辆形式的内燃机的方法选择性地使用化油器燃料，特别是汽油或乙醇（E85），通过直接喷射到内燃机的至少一个燃烧室中 的至少一个燃料喷射器。 可选地，不是注入点火火花发动机燃料，或者除了喷射点火火花发动机燃料之外，内燃机也是用气体，特别是CNG（压缩天然气）或LPG（液化石油气））来运行的。 在具有火花点火发动机燃料的内燃机的运行期间连续地确定混合适应值。 在具有火花点火发动机燃料的内燃机运行期间，将实际的混合适应值存储在存储器中，并且在用气体运行预定的最小持续时间之后，将实际混合适应值与存储的混合适应值进行比较 具有点火火花发动机燃料的内燃机的运行。 当实际混合适应值与存储的混合适应值之间的差超过预定的差值时，燃料喷射器被清扫。

公开(公告)号：US20060080951A1

公开(公告)日：2006-04-20

申请号：US10541004

申请日：2003-12-12

申请人： Ekkehard Pott ,  Kai Philipp ,  Eric Bree

发明人： Ekkehard Pott ,  Kai Philipp ,  Eric Bree

IPC分类号： F01N9/00

CPC分类号： F02D41/0082 ,  F01N3/0814 ,  F01N3/0842 ,  F01N13/009 ,  F01N13/011 ,  F02D41/025 ,  F02D41/0275 ,  F02D41/1443 ,  F02D41/1446 ,  F02D41/1475 ,  F02D2200/0802 ,  Y02T10/26

摘要： The invention is directed to a method for controlling the temperature of at least one catalyst arranged in an exhaust gas cleaning system (12) of a lean-runnable multi-cylinder engine (10), wherein energy is introduced into the exhaust gas cleaning system (12) by a lambda split, and to a corresponding multicylinder engine (10). It is provided that the introduction of energy is limited depending on at least one of the parameters catalyst temperature, exhaust gas temperature and exhaust gas mass flow rate, and/or at least one of the parameters change of the catalyst temperature, change of the exhaust gas temperature and change of the exhaust gas mass flow rate, or at least one of the parameters rate of change of the catalyst temperature, rate of change of the exhaust gas temperature and rate of change of the exhaust gas mass flow rate.

摘要翻译： 本发明涉及一种用于控制布置在稀薄运行的多缸发动机（10）的排气清洁系统（12）中的至少一个催化剂的温度的方法，其中能量被引入废气净化系统（ 12）通过λ分裂和相应的多缸发动机（10）。 条件是，根据催化剂温度，排气温度和排气质量流量中的至少一个参数限制能量的引入，和/或催化剂温度的参数变化，排气变化中的至少一个 气体温度和废气质量流量的变化，或催化剂温度的变化率，废气温度的变化率和废气质量流量的变化率中的至少一个。

公开(公告)号：US06666177B1

公开(公告)日：2003-12-23

申请号：US10111200

申请日：2002-04-22

申请人： Bernd Stiebels ,  Ekkehard Pott ,  Leo Spiegel

发明人： Bernd Stiebels ,  Ekkehard Pott ,  Leo Spiegel

IPC分类号： F02D1302

CPC分类号： F02D13/0234 ,  F02D13/0269 ,  F02D15/00 ,  Y02T10/142

摘要： A method for operating an internal combustion engine with at least one working piston with a variable compression ratio, which can be changed as a function of an operating state of the internal combustion engine, the method including the steps of: detecting, with a knock sensor, when the compression ratio is too high; reducing the compression ratio (V) when the knock limit (L) is at least reached by a first, predetermined value (V1), which is a function of the operating state, over a first, predetermined time period (t1-t0); subsequently increasing the compression ratio (V) by a second, predetermined value (V2) over a second, predetermined time period (t2-t1) until the knock limit (L) is at least reached again; and determining at least one of the first predetermined value (V1), the first time period (t1-t0), the second predetermined value (V2), and the second time period (t2-t1) as a function of load demand on the internal combustion engine.

摘要翻译： 一种操作内燃机的方法，所述内燃机具有可变压缩比的至少一个工作活塞，所述工作活塞可根据所述内燃机的运行状态而改变，所述方法包括以下步骤：用爆震传感器 当压缩比过高时; 当在第一预定时间段（t1-t0）至少达到作为操作状态的函数的第一预定值（V1）时，降低压缩比（V）; 随后在第二预定时间段（t2-t1）上将压缩比（V）增加第二预定值（V2），直到再次至少达到爆震极限（L）; 以及根据所述第一预定值（V1），所述第一时间段（t1-t0），所述第二预定值（V2）和所述第二时间段（t2-t1）中的至少一个来确定所述第一预定值 内燃机。

公开(公告)号：US5549873A

公开(公告)日：1996-08-27

申请号：US387027

申请日：1995-02-10

申请人： Ekkehard Pott

发明人： Ekkehard Pott

IPC分类号： B01D53/88 ,  B01J35/04 ,  F01N3/28 ,  F01N13/02 ,  B01D53/34

CPC分类号： B01J35/04 ,  B01D53/885 ,  F01N13/0097 ,  F01N3/28 ,  F01N3/281 ,  F01N2260/08 ,  F01N2330/34

摘要： An exhaust gas converter arrangement includes a common catalyst support with a precatalyst section and a main catalyst section of larger size downstream in the direction of exhaust flow. The common support is made of alternate corrugated and flat sheet metal members wound into cylindrical shape. Between the precatalyst section and the main catalyst section, the support has an intermediate region in which the sheet metal members are formed with apertures to minimize heat conduction between the catalyst sections.

摘要翻译： 排气转换器装置包括具有预催化部分和在排气流动方向下游较大尺寸的主催化剂部分的公共催化剂载体。 共同的支撑由缠绕成圆柱形的交替波纹和平板金属构件制成。 在预催化剂部分和主催化剂部分之间，载体具有中间区域，其中金属板部件形成有孔，以使催化剂部分之间的热传导最小化。

公开(公告)号：US20100131178A1

公开(公告)日：2010-05-27

申请号：US12627561

申请日：2009-11-30

申请人： Ekkehard Pott ,  Jörg Theobald

发明人： Ekkehard Pott ,  Jörg Theobald

IPC分类号： F02D41/00 ,  F02B13/00

CPC分类号： F02D41/0027 ,  F02D19/0605 ,  F02D19/0621 ,  F02D19/0647 ,  F02D19/0689 ,  F02D19/0694 ,  F02D19/081 ,  F02D19/084 ,  Y02T10/36

摘要： A method relates to operating an internal combustion engine in the form of an Otto engine, especially of a motor vehicle. Otto engine fuel (i.e., carburetor fuel, spark ignition engine fuel), such as gasoline or ethanol (E85), are directly injected into at least one combustion chamber of the internal combustion engine with at least one fuel injector. Optionally, instead of injecting ignition spark engine fuel or in addition, the internal combustion engine is operated with gas, especially CNG (compressed natural gas) or LPG (liquefied petroleum gas). During operation of the internal combustion engine with gas only, the engine is automatically switched to the operation with spark ignition engine fuel for a predetermined period, or the engine is switched to the operation with spark ignition engine fuel in addition to the operation with gas, in such a manner that a predetermined quantity of the carburetor fuel flows through the at least one fuel injector. The engine is then automatically switched back to the operation with gas only.

摘要翻译： 一种方法涉及以Otto发动机，特别是机动车辆的形式操作内燃机。 使用至少一个燃料喷射器将Otto发动机燃料（即化油器燃料，火花点火发动机燃料）（诸如汽油或乙醇）（E85）直接喷射到内燃机的至少一个燃烧室中。 可选地，不是注入点火火花发动机燃料，或者另外，内燃机用气体，特别是CNG（压缩天然气）或LPG（液化石油气））进行操作。 在仅具有气体的内燃机的运行中，发动机自动切换到具有火花点火发动机燃料的操作达预定时间段，或者除了具有气体的操作之外，发动机也切换到具有火花点火发动机燃料的操作， 使得预定量的化油器燃料流过至少一个燃料喷射器。 然后，发动机将自动切换回仅使用气体的操作。

公开(公告)号：US20100131177A1

公开(公告)日：2010-05-27

申请号：US12627243

申请日：2009-11-30

申请人： Ekkehard Pott ,  Oliver Fladung ,  Jörg Theobald

发明人： Ekkehard Pott ,  Oliver Fladung ,  Jörg Theobald

IPC分类号： F02D41/00 ,  F02B13/00

CPC分类号： F02D41/0027 ,  F02D19/0621 ,  F02D19/0623 ,  F02D19/0647 ,  F02D19/0689 ,  F02D19/0694 ,  F02D19/084 ,  F02D41/221 ,  F02D41/2454 ,  F02D41/2467 ,  F02D41/3011 ,  F02D41/3094 ,  F02M43/04 ,  Y02T10/36

摘要： A method for operating an internal combustion engine in the form of an Otto engine, especially of a motor vehicle, selectively uses carburetor fuel, especially gasoline or ethanol (E85) by direct injection into at least one combustion chamber of the internal combustion engine by means of at least one fuel injector. Optionally, instead of injecting ignition spark engine fuel or in addition to injecting ignition spark engine fuel, the internal combustion engine is operated with gas, especially CNG (Compressed Natural Gas) or LPG (Liquefied Petroleum Gas). A mixture adaptation value is continuously determined during the operation of the internal combustion engine with spark ignition engine fuel. An actual mixture adaptation value is stored in a memory during the operation of the internal combustion engine with the spark ignition engine fuel and, after a predetermined minimum duration of operation with gas, an actual mixture adaptation value is compared with the stored mixture adaptation value during the operation of the internal combustion engine with ignition spark engine fuel. The fuel injectors are scavenged when a difference between the actual mixture adaptation value and the stored mixture adaptation value exceeds a predetermined difference value.

摘要翻译： 用于操作奥托发动机，特别是机动车辆形式的内燃机的方法选择性地使用化油器燃料，特别是汽油或乙醇（E85），通过直接喷射到内燃机的至少一个燃烧室中 的至少一个燃料喷射器。 可选地，不是注入点火火花发动机燃料，或者除了喷射点火火花发动机燃料之外，内燃机也是用气体，特别是CNG（压缩天然气）或LPG（液化石油气））来运行的。 在具有火花点火发动机燃料的内燃机的运行期间连续地确定混合适应值。 在具有火花点火发动机燃料的内燃机运行期间，将实际的混合适应值存储在存储器中，并且在用气体运行预定的最小持续时间之后，将实际混合适应值与存储的混合适应值进行比较 具有点火火花发动机燃料的内燃机的运行。 当实际混合适应值与存储的混合适应值之间的差超过预定的差值时，燃料喷射器被清扫。

公开(公告)号：US20080149405A1

公开(公告)日：2008-06-26

申请号：US11962153

申请日：2007-12-21

申请人： Marc Hladun ,  Marcel Zirwes ,  Kai Bohnstedt ,  Ekkehard Pott ,  Georg Kruse

发明人： Marc Hladun ,  Marcel Zirwes ,  Kai Bohnstedt ,  Ekkehard Pott ,  Georg Kruse

IPC分类号： B60K25/00

CPC分类号： F02N11/04 ,  B60K6/48 ,  B60K17/26 ,  F02N11/003 ,  F02N11/006 ,  F02N15/08 ,  Y02T10/6221 ,  Y10T477/23 ,  Y10T477/26

摘要： An internal combustion engine drives, via a belt drive, a first and a second auxiliary unit embodied respectively as a water pump and an air-conditioning compressor and drives a starter-generator operating as a starter and as a generator depending on the operating mode. The belt drive is connected through a clutch element, which has a freewheel, to the internal combustion engine such that, when the internal combustion engine is at standstill, only the two auxiliary units, but not at the same time the internal combustion engine, are driven by the starter-generator. The clutch element which has a freewheel allows a stepless transition of the drive mode from the internal combustion engine to the starter-generator. In order to start the internal combustion engine, the clutch element is engaged only for a short time, so that the drive power of the starter-generator is transmitted to the internal combustion engine.

摘要翻译： 内燃机通过皮带驱动器驱动第一辅助单元和第二辅助单元，其分别实现为水泵和空调压缩机，并且根据运行模式驱动作为启动器起作用的起动器和发电机。 带驱动器通过具有自由轮的离合器元件连接到内燃机，使得当内燃机处于停止状态时，只有两个辅助单元而不是内燃机的同时 由起动发电机驱动。 具有自由轮的离合器元件允许驱动模式从内燃机到起动器发电机的无级转换。 为了启动内燃机，离合器元件仅在短时间内接合，使起动发电机的驱动力传递到内燃机。

公开(公告)号：US07021279B1

公开(公告)日：2006-04-04

申请号：US10089528

申请日：2000-09-27

申请人： Ekkehard Pott ,  Rudolf Krebs ,  Bernd Stiebels

发明人： Ekkehard Pott ,  Rudolf Krebs ,  Bernd Stiebels

IPC分类号： F02B31/00

CPC分类号： F02D21/08 ,  F01N2570/14 ,  F02B17/005 ,  F02B31/00 ,  F02B2075/125 ,  F02D41/0057 ,  F02D41/006 ,  F02D41/0065 ,  F02D41/3023 ,  F02D2041/0015 ,  F02M26/01 ,  F02M26/23 ,  Y02A50/2344 ,  Y02T10/12 ,  Y02T10/123 ,  Y02T10/146 ,  Y02T10/47

摘要： A direct injection internal combustion engine, especially an Otto engine, is provided with layered lean operation and internal exhaust-gas recirculation. An exhaust-gas aftertreatment for reducing Nox using an Nox storage catalyst is also provided. This combination is to achieve the highest possible exhaust-gas recirculation rates with the lowest HC and Nox emission values. A tumble flow is provided for the incoming fresh gases, which may contain recirculated exhaust gas from external exhaust-gas recirculation. The swirl axis of the incoming fresh gases therefore extends substantially crosswise to the piston movement. This results in an emissions-reducing, optimal mixture inside the cylinder during the layered lean operation.

摘要翻译： 直喷式内燃机，特别是奥托发动机，提供分层稀薄运行和内部废气再循环。 还提供了使用Nox储存催化剂还原Nox的废气后处理。 这种组合是以最低的HC和Nox排放值实现尽可能高的废气再循环率。 为进入的新鲜气体提供滚动流，其可以包含来自外部排气再循环的再循环废气。 因此，进入的新鲜气体的旋转轴线基本上横贯于活塞运动。 这导致在分层稀薄操作期间在气缸内排放减少，最佳混合物。

公开(公告)号：US06530216B2

公开(公告)日：2003-03-11

申请号：US09749990

申请日：2000-12-18

申请人： Ekkehard Pott

发明人： Ekkehard Pott

IPC分类号： F01N300

CPC分类号： F01N3/0842 ,  B01D53/9409 ,  B01D53/9495 ,  F01N3/0885 ,  F01N2570/04 ,  F02D41/028 ,  F02D41/1408

摘要： An NOx accumulator catalytic converter for an internal combustion engine is desulfonated by providing a plurality of intermittent rich/lean operating cycles of the engine wherein rich operation is at a lambda of less than 0.985, and wherein the duration of rich mixture operation is limited to reduce hydrogen sulfide emission.

摘要翻译： 通过提供发动机的多个间歇的富/稀操作循环来将内燃机的NOx蓄能器催化转化器脱磺化，其中富操作为λ小于0.985，并且其中富混合操作的持续时间被限制为减少 硫化氢排放。

公开(公告)号：US6053154A

公开(公告)日：2000-04-25

申请号：US119373

申请日：1998-07-20

申请人： Ekkehard Pott

发明人： Ekkehard Pott

IPC分类号： B01D53/86 ,  B01D53/94 ,  B01D53/96 ,  F01N3/08 ,  F02B1/04 ,  F02D41/00 ,  F02D41/02 ,  F02D41/14 ,  F02D41/34 ,  F02M26/24 ,  F02M26/38 ,  F02M26/39 ,  F02M25/07

CPC分类号： F02D41/1446 ,  B01D53/8696 ,  B01D53/9495 ,  B01D53/96 ,  F01N3/0842 ,  F01N3/0885 ,  F02D41/0065 ,  F02D41/008 ,  F02D41/1441 ,  F02M26/24 ,  F02M26/38 ,  F02M26/39 ,  F01N2250/12 ,  F01N2570/04 ,  F02B1/04 ,  F02D41/028 ,  F02M26/20 ,  Y02C20/10 ,  Y02T10/47

摘要： Selective rich operation of an individual cylinder of an engine is accomplished by returning exhaust gas into an intake duct specific to the individual cylinder and providing an individual throttle flap in the intake duct. The exhaust gas is supplied either from a common exhaust duct or from a specific cylinder exhaust duct for the cylinder having a throttled intake duct.

摘要翻译： 发动机的单个气缸的选择性丰富的操作是通过将废气返回到特定于各个气缸的进气管道并且在进气管道中提供单独的节气门瓣来实现的。 废气从公共排气管道或具有节流进气管道的气缸的特定气缸排气管道供应。