公开(公告)号：US07962272B2

公开(公告)日：2011-06-14

申请号：US12202646

申请日：2008-09-02

申请人： Nicola Cesario ,  Paolo Amato ,  Maurizio Di Meglio ,  Francesco Pirozzi ,  Giovanni Moselli ,  Ferdinando Taglialatela-Scafati ,  Francesco Carpentieri

发明人： Nicola Cesario ,  Paolo Amato ,  Maurizio Di Meglio ,  Francesco Pirozzi ,  Giovanni Moselli ,  Ferdinando Taglialatela-Scafati ,  Francesco Carpentieri

IPC分类号： F02D45/00

CPC分类号： F02D41/2454 ,  F02D35/023 ,  F02D41/1401 ,  F02D41/1404 ,  F02D41/1405 ,  F02D41/1458 ,  F02D41/187 ,  F02D2041/141 ,  G06K9/6223

摘要： A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel ratio by processing the waveform of the pressure in at least one cylinder of the engine. In practice, the learning machine extracts characteristic parameters of the waveform of the pressure and as a function of a certain number of them generates the sensing signal.

摘要翻译： 可以容易地由各个低成本装置实现的内燃机的燃烧室中的空气/燃料比的检测方法包括压力传感器和学习机，该压力传感器和学习机通过以下方式产生表示空燃比的感测信号 处理发动机的至少一个气缸中的压力波形。 在实践中，学习机提取压力波形的特征参数，并且根据其一定数量的函数产生感测信号。

公开(公告)号：US20110120428A1

公开(公告)日：2011-05-26

申请号：US12946755

申请日：2010-11-15

申请人： Paolo PASERO ,  Francesco CASTORINA

发明人： Paolo PASERO ,  Francesco CASTORINA

IPC分类号： F02B33/00 ,  F02M25/07

CPC分类号： F02B29/0406 ,  F02B3/06 ,  F02D41/0007 ,  F02D41/0052 ,  F02D41/0072 ,  F02D41/029 ,  F02D41/1458 ,  F02D41/187 ,  F02D2041/0067 ,  F02D2041/141 ,  F02D2200/0402 ,  F02D2200/0414 ,  F02M26/05 ,  F02M26/06 ,  F02M26/15 ,  F02M26/38 ,  F02M26/46 ,  F02M26/47 ,  Y02T10/144 ,  Y02T10/146 ,  Y02T10/47

摘要： A method is provided for controlling the level of oxygen concentration in the intake manifold of an internal combustion engine system. The engine having an intake manifold and an exhaust manifold and corresponding intake and exhaust lines, the intake line having a leading point for mixing of fresh air, first and second EGR routes, a charge air cooler located in the intake line upstream the intake manifold and downstream the second EGR route, a turbocharger having a compressor located in the intake line and a turbine located in the exhaust line, the exhaust line having a diesel oxidation catalyst and an antiparticulate filter. The system has a regulator for regulating the flow rate of exhaust gas. The regulator including, but not limited to a low pressure EGR valve associated to the second EGR route. The method including, but not limited to at least a phase of determination of the oxygen concentration set-point at any point in the portion of the intake line between said leading point up to the intake manifold and a phase of maintaining the desired oxygen concentration set-point in any point of said portion.

摘要翻译： 提供了一种用于控制内燃机系统的进气歧管中的氧浓度水平的方法。 所述发动机具有进气歧管和排气歧管以及相应的进气和排气管线，所述进气管路具有用于混合新鲜空气，第一和第二EGR路径的前置点，位于所述进气歧管上游的所述进气管道中的增压空气冷却器，以及 在第二EGR路径的下游，具有位于进气管线中的压缩机的涡轮增压器和位于排气管线中的涡轮机，排气管线具有柴油机氧化催化剂和反粒子过滤器。 该系统具有用于调节废气流量的调节器。 调节器包括但不限于与第二EGR路径相关联的低压EGR阀。 所述方法包括但不限于在进入管线的至少一个进气歧管的所述前导点之间的任何点处的氧浓度设定点的至少一个相位和维持期望的氧浓度集合的相位 在所述部分的任意点。

公开(公告)号：US20110079008A1

公开(公告)日：2011-04-07

申请号：US12966609

申请日：2010-12-13

申请人： William de Ojeda

发明人： William de Ojeda

IPC分类号： F02D23/00 ,  F02B33/44

CPC分类号： F02D21/08 ,  F02B29/0406 ,  F02B37/00 ,  F02D23/00 ,  F02D41/0007 ,  F02D41/0072 ,  F02D2041/1409 ,  F02D2041/141 ,  F02M26/05 ,  F02M26/23 ,  F02M26/47 ,  F02M26/53 ,  Y02T10/144 ,  Y02T10/47

摘要： A method for coordinating control of exhaust gas recirculation (18) in a turbocharged internal combustion engine (10) with control of engine boost. When actual boost deviates from a desired boost set-point developed by a boost control strategy (32), such as during a sudden acceleration or deceleration, the EGR control strategy (34) provides a prompt adjustment of exhaust gas recirculation (EGR) seeking to null out the boost disparity.

摘要翻译： 一种用于协调在涡轮增压内燃机（10）中排气再循环（18）的控制的方法，其控制发动机升压。 当实际升压偏离由升压控制策略（32）产生的期望升压设定点时，例如在突然的加速或减速期间，EGR控制策略（34）提供对废气再循环（EGR）的快速调整，寻求 消除增加差距。

公开(公告)号：US20110077837A1

公开(公告)日：2011-03-31

申请号：US12887927

申请日：2010-09-22

申请人： Arata Ejiri ,  Jun Sasaki

发明人： Arata Ejiri ,  Jun Sasaki

IPC分类号： F02D28/00

CPC分类号： F02D41/0007 ,  F02D41/0052 ,  F02D41/10 ,  F02D41/18 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2041/1431 ,  F02D2041/1433 ,  F02D2200/0406 ,  Y02T10/144 ,  Y02T10/47

摘要： A dynamic feedforward amount to realize a predetermined transient response characteristic by compensating a transient response characteristic of an engine having a Variable Nozzle Turbo (VNT) and an Exhaust Gas Recirculator (EGR) is calculated for a nozzle opening degree of the VNT and a valve opening degree of the EGR. The transient response characteristic of the engine responds to a setting value of an injection quantity or the like. Then, command values of the nozzle opening degree of the VNT and the valve opening degree of the EGR are calculated by using the dynamic feedforward amount. In the transient state, the followingness to the target value is improved.

摘要翻译： 针对VNT的喷嘴开度和阀开度计算通过补偿具有可变喷嘴涡轮（VNT）和排气再循环器（EGR）的发动机的瞬态响应特性来实现预定瞬态响应特性的动态前馈量 EGR的程度。 发动机的瞬态响应特性响应于喷射量等的设定值。 然后，通过使用动态前馈量来计算VNT的喷嘴开度和EGR的阀开度的指令值。 在瞬态状态下，改善了对目标值的跟随性。

公开(公告)号：US20110036086A1

公开(公告)日：2011-02-17

申请号：US12539357

申请日：2009-08-11

申请人： Zhiping Liu ,  B. Jerry Song ,  Anupam Gangopadhyay ,  Ping Ge

发明人： Zhiping Liu ,  B. Jerry Song ,  Anupam Gangopadhyay ,  Ping Ge

IPC分类号： F02D23/00 ,  F02D43/00

CPC分类号： F02D41/0007 ,  F02D41/1401 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/0406 ,  F02D2200/1002 ,  Y02T10/144

摘要： A system for a sequential turbocharger includes a mode selection module, a feed-forward selection module, and a control loop module. The mode selection module generates a control mode signal based on an engine speed signal, an engine torque signal, and an engine mode signal. The control mode signal indicates one of an open-loop control mode and a closed-loop control mode. The feed-forward selection module determines a feed-forward value based on the control mode signal, the engine speed signal, and the engine torque signal. The control loop module determines a loop control value at least one of based on the feed-forward value, a variable geometry turbine (VGT) control signal, and an error signal; and based on a bypass valve (BPV) control signal and the error signal when the control mode signal transitions from the open-loop control mode to the closed-loop control mode.

摘要翻译： 用于顺序涡轮增压器的系统包括模式选择模块，前馈选择模块和控制回路模块。 模式选择模块基于发动机转速信号，发动机转矩信号和发动机模式信号生成控制模式信号。 控制模式信号指示开环控制模式和闭环控制模式之一。 前馈选择模块基于控制模式信号，发动机转速信号和发动机扭矩信号来确定前馈值。 控制回路模块基于前馈值，可变几何涡轮机（VGT）控制信号和误差信号来确定回路控制值中的至少一个; 并且当控制模式信号从开环控制模式转换到闭环控制模式时，基于旁路阀（BPV）控制信号和误差信号。

公开(公告)号：US07848872B2

公开(公告)日：2010-12-07

申请号：US11960960

申请日：2007-12-20

申请人： Qi Ma ,  Man-Feng Chang

发明人： Qi Ma ,  Man-Feng Chang

IPC分类号： G06F17/00 ,  F02B47/08 ,  F02M25/07

CPC分类号： F02D41/0072 ,  F02B23/104 ,  F02B2075/125 ,  F02D41/187 ,  F02D2041/0067 ,  F02D2041/141 ,  F02D2200/0406 ,  F02D2200/0414 ,  F02M26/47 ,  F02M26/53 ,  Y02T10/123 ,  Y02T10/47

摘要： A method for controlling EGR gas flow in an internal combustion engine during ongoing operation includes determining an engine operating point and a preferred EGR fraction for a cylinder charge based upon the engine operating point. A feed-forward command for controlling an external EGR gas flowrate to an engine intake manifold based upon the preferred EGR fraction for the cylinder charge is determined. An EGR ratio in the intake manifold is determined. And, the external EGR gas flowrate is controlled based upon the estimated EGR ratio in the intake manifold and the feed-forward command for controlling the external EGR gas flowrate.

摘要翻译： 一种用于在正在进行的操作过程中控制内燃机中的EGR气体流量的方法包括基于发动机工作点确定发动机工作点和用于气缸充气的优选EGR分数。 确定用于基于用于气缸充电的优选EGR分数来控制到发动机进气歧管的外部EGR气体流量的前馈命令。 确定进气歧管中的EGR率。 并且，根据进气歧管中的估计EGR率和用于控制外部EGR气体流量的前馈指令来控制外部EGR气体流量。

公开(公告)号：US07814887B2

公开(公告)日：2010-10-19

申请号：US12196250

申请日：2008-08-21

申请人： Martin Cwielong ,  Matthias Delp ,  Gerhard Eser

发明人： Martin Cwielong ,  Matthias Delp ,  Gerhard Eser

IPC分类号： F02M69/46 ,  F02M69/50

CPC分类号： F02D41/3845 ,  F02D2041/141

摘要： In a method and a device for controlling a pump (14, 20) connected to a fuel rail (12) in an internal combustion engine, in order to provide a predetermined quantity of fuel in the fuel rail (12) for a predetermined operating state, the following steps are provided: determining whether a process occurs that switches the internal combustion engine into a next predetermined operating state; determining a pump output of the pump (14, 20) if the process for switching the internal combustion engine into a predetermined operating state was detected, whereby the pump output of the pump (14, 20) is selected such that the predetermined quantity of fuel is provided for the operating state; and actuating the pump (14, 20) so that the pump (14, 20) provides the predetermined quantity of fuel when the predetermined operating state is reached.

摘要翻译： 在用于控制连接到内燃机中的燃料轨道（12）的泵（14,20）的方法和装置中，为了在燃料轨道（12）中提供预定量的燃料以达到预定的运行状态 提供以下步骤：确定是否发生将内燃机切换到下一个预定操作状态的过程; 如果检测到用于将内燃机切换到预定操作状态的过程，则检测泵（14,20）的泵输出，由此选择泵（14,20）的泵输出，使得预定量的燃料 被提供用于操作状态; 以及致动所述泵（14,20），使得当达到所述预定操作状态时所述泵（14,20）提供所述预定量的燃料。

公开(公告)号：US20100132681A1

公开(公告)日：2010-06-03

申请号：US12531094

申请日：2008-06-20

申请人： Shuntaro Okazaki ,  Naoto Kato

发明人： Shuntaro Okazaki ,  Naoto Kato

IPC分类号： F02D41/00

CPC分类号： F02D41/1456 ,  F02D41/1441 ,  F02D2041/141 ,  F02D2041/2048 ,  F02D2200/0611

摘要： In an air-fuel ratio control apparatus for an internal combustion engine, a feedforward correction amount obtained in accordance with a deviation of a target air-fuel ratio from a stoichiometric air-fuel ratio and a feedback correction amount calculated on the basis of an output value of an air-fuel ratio sensor and subjected to a guard processing are added to a base fuel injection amount corresponding to the stoichiometric air-fuel ratio to decide a fuel injection amount. An upper limit (1) and a lower limit (1) of the feedback correction amount are set on the basis of an alcohol concentration and the feedforward correction amount.

摘要翻译： 在内燃机的空燃比控制装置中，根据目标空燃比与理论空燃比的偏差和基于输出的计算出的反馈修正量而求出的前馈修正量 将空燃比传感器的值进行保护处理加到与理论空燃比相对应的基本燃料喷射量中，以确定燃料喷射量。 基于酒精浓度和前馈修正量来设定反馈修正量的上限（1）和下限（1）。

公开(公告)号：US07690352B2

公开(公告)日：2010-04-06

申请号：US11683701

申请日：2007-03-08

申请人： Guoming G. Zhu ,  Ross Pursifull

发明人： Guoming G. Zhu ,  Ross Pursifull

IPC分类号： F02P9/00

CPC分类号： F02P17/12 ,  F01N3/2006 ,  F01N2430/00 ,  F02D35/021 ,  F02D35/023 ,  F02D35/027 ,  F02D41/0052 ,  F02D41/0255 ,  F02D41/1408 ,  F02D41/1482 ,  F02D41/22 ,  F02D41/2432 ,  F02D41/2451 ,  F02D41/2454 ,  F02D2041/141 ,  F02D2041/285 ,  F02D2200/1015 ,  F02D2250/18 ,  F02M26/01 ,  F02P3/045 ,  F02P3/0453 ,  F02P3/051 ,  F02P5/1502 ,  F02P5/1506 ,  F02P5/1514 ,  F02P5/1523 ,  F02P5/1526 ,  F02P17/02 ,  F02P17/10 ,  F02P2017/125 ,  F02P2017/128 ,  G01L23/221 ,  G01L23/225 ,  Y02T10/26 ,  Y02T10/46 ,  Y02T10/47

摘要： A system and method for selecting the data content of an ionization feedback signal is disclosed. An ignition system monitors both the ionization signal and ignition coil dwell data. The ignition system outputs either the ionization signal or the ignition coil dwell data on the ionization feedback line, depending on what information is desired by the powertrain control module. In one embodiment, the ionization signal is only output during the before ignition period when the operating condition of the engine indicates possible pre-ignition conditions.

摘要翻译： 公开了一种用于选择电离反馈信号的数据内容的系统和方法。 点火系统监测电离信号和点火线圈停留数据。 点火系统根据动力总成控制模块所期望的信息，输出电离反馈线路上的电离信号或点火线圈停留数据。 在一个实施例中，当发动机的操作条件指示可能的预燃条件时，电离信号仅在以前点火期间输出。

公开(公告)号：US20100010724A1

公开(公告)日：2010-01-14

申请号：US12355725

申请日：2009-01-16

申请人： Adya S. TRIPATHI ,  Chester J. SILVESTRI

发明人： Adya S. TRIPATHI ,  Chester J. SILVESTRI

IPC分类号： F02D41/30

CPC分类号： F02D41/266 ,  F02D41/0087 ,  F02D41/047 ,  F02D41/068 ,  F02D41/123 ,  F02D41/1402 ,  F02D41/1454 ,  F02D41/1482 ,  F02D41/3058 ,  F02D41/365 ,  F02D2041/141 ,  F02D2250/18 ,  F02D2400/11 ,  F02P9/002 ,  Y02T10/142

摘要： A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, selected combustion events are skipped during operation of the internal combustion engine so that other working cycles can operate at a better thermodynamic efficiency. In one aspect of the invention, an engine is controlled to operate in a variable displacement mode. In the variable displacement mode, fuel is not delivered to the working chambers (e.g. cylinders) during selected “skipped” working cycles. During active (“non-skipped”) working cycles, a maximum (e.g., unthrottled) amount of air and an optimized amount of fuel is delivered to the relevant working chambers so that the fired working chambers can operate at efficiencies closer to their optimal efficiency. A controller is used to dynamically determine the chamber firings required to provide the engine torque based on the engine's current operational state and conditions. The chamber firings may be sequenced in real time or in near real time in a manner that helps reduce undesirable vibrations of the engine.

摘要翻译： 描述了用于改善内燃机的燃料效率的各种方法和装置。 通常，在内燃机操作期间跳过选定的燃烧事件，使得其他工作循环可以以更好的热力学效率工作。 在本发明的一个方面，发动机被控制为以可变排量模式操作。 在可变排量模式中，在选择的“跳过”工作循环期间，燃料不被输送到工作室（例如气缸）。 在主动（“非跳过”）工作循环期间，最大限度地（例如，无节流）的空气量和优化的燃料量被输送到相关的工作室，使得燃烧的工作室可以以更接近其最佳效率的效率 。 控制器用于动态地确定基于发动机的当前操作状态和条件来提供发动机扭矩所需的腔室点火。 室内燃烧可以以有助于减少发动机的不期望的振动的方式实时或接近实时地排序。