公开(公告)号：US06725659B1

公开(公告)日：2004-04-27

申请号：US10321274

申请日：2002-12-16

申请人： Jiasi Josh Shao ,  Long-Kung Hwang

发明人： Jiasi Josh Shao ,  Long-Kung Hwang

IPC分类号： F02D2300

CPC分类号： F02D41/021 ,  F02D41/0007 ,  F02D2200/0406 ,  Y02T10/144

摘要： A system for limiting rotational speed of a turbocharger includes means for determining a change in an engine operating parameter, a fueling system responsive to a fueling signal to supply fuel to the engine, and a controller determining a fueling command that is air-to-fuel or oxygen-to-fuel control (AFC/OFC) limited under certain engine operating conditions and is otherwise not AFC/OFC limited. The controller is operable to produce the fueling signal as a function of the fueling command, and to further limit the fueling signal according to a turbocharger speed fuel limit in a manner that limits the speed of the turbocharger to a first turbocharger speed limit whenever the fueling command is AFC/OFC limited. The controller is operable to remove the turbocharger speed fuel limit from the fueling signal when the change in the engine operating parameter exceeds a threshold value and the fueling command is thereafter no longer AFC/OFC limited.

摘要翻译： 用于限制涡轮增压器的转速的系统包括用于确定发动机操作参数变化的装置，响应于加油信号以向发动机供应燃料的加油系统，以及控制器，其确定空燃料加油命令 或氧气对燃料控制（AFC / OFC）在某些发动机运行条件下受到限制，否则不适用于AFC / OFC。 控制器可操作以根据加油命令产生加油信号，并且进一步根据涡轮增压器速度燃料限制来限制加油信号，其方法是将涡轮增压器的速度限制在第一涡轮增压器速度限制，每当加油 命令是AFC / OFC限制。 当发动机工作参数的变化超过阈值并且加油命令此后不再受限于AFC / OFC时，控制器可操作以从加油信号中去除涡轮增压器速度燃料限制。

公开(公告)号：US06694733B1

公开(公告)日：2004-02-24

申请号：US10181224

申请日：2002-11-05

申请人： Luciano Labindo Bernardini ,  Alain Rene Lombard ,  Jean-Luc Hubert Perrin ,  Eric Joseph Viola

发明人： Luciano Labindo Bernardini ,  Alain Rene Lombard ,  Jean-Luc Hubert Perrin ,  Eric Joseph Viola

IPC分类号： F02D2300

CPC分类号： F02C6/12 ,  F01D17/167 ,  F02B37/24 ,  F05D2220/40

摘要： A turbocharger having a variable geometry turbine intake incorporating a mobile cylindrical piston (70) for varying the area of the induction nozzle in the turbine (18). Blades (90) mounted on the piston for controlling the flow in the nozzle penetrate through a slotted heat shield (92) having a central opening wherein the rear disc of the turbine wheel is embedded to provide a smooth aerodynamic flow in the turbine vanes. A shield (100) engaged between the heat screen and a central housing of the turbocharger prevents the gas from the rear disc cavity from recycling into the cavity housing the blades further enhancing the aerodynamic flow. An axial actuating device (77) is secured for operating the piston via a shaft coupled by a cross (72) to the piston and coupled to an actuating hub (118) in the actuating device by quick connect unthreaded connection (122).

摘要翻译： 涡轮增压器具有可变几何涡轮机进气口，其包括用于改变涡轮机（18）中的感应喷嘴的面积的可移动圆柱形活塞（70）。 安装在活塞上用于控制喷嘴中的流动的叶片（90）穿过具有中心开口的开槽式热屏蔽（92），其中涡轮机叶轮的后盘被嵌入以在涡轮机叶片中提供平滑的空气动力学流动。 接合在热屏和涡轮增压器的中心壳体之间的屏蔽件（100）防止来自后盘腔的气体再循环到容纳叶片的腔中，进一步增强空气动力学流。 轴向致动装置（77）被固定，用于通过由十字架（72）联接到活塞并通过快速连接无螺纹连接（122）联接到致动装置中的致动毂（118）的轴来操作活塞。

公开(公告)号：US06651430B2

公开(公告)日：2003-11-25

申请号：US10203906

申请日：2002-08-13

申请人： Frank Meier ,  Thomas Bleile

发明人： Frank Meier ,  Thomas Bleile

IPC分类号： F02D2300

CPC分类号： F02D41/0007 ,  F02B37/12 ,  F02B37/18 ,  F02B37/24 ,  Y02T10/144

摘要： In a device for switching an exhaust gas turbocharger and an exhaust gas turbocharger having such a device, the device is used for exhaust gas turbochargers having a variable turbine geometry as well as for other turbochargers (e.g., waste-gate turbochargers) having an electronically regulated final controlling element. The exhaust gas turbocharger is switched by a switching signal P from a regulated operation A with a boost pressure regulator to an unregulated operation B with a boost pressure control, wherein a delay device is provided for generating the switching signal P with a time delay.

摘要翻译： 在用于切换具有这种装置的废气涡轮增压器和废气涡轮增压器的装置中，该装置用于具有可变涡轮机几何形状的排气涡轮增压器以及用于具有电子调节的其它涡轮增压器（例如，废门涡轮增压器） 最终控制元素。 排气涡轮增压器通过升压压力控制由切换信号P从具有升压压力调节器的调节操作A切换到未调节操作B，其中提供用于以时间延迟产生切换信号P的延迟装置。

公开(公告)号：US06615584B2

公开(公告)日：2003-09-09

申请号：US09913395

申请日：2001-11-07

申请人： Friedrich Ostertag

发明人： Friedrich Ostertag

IPC分类号： F02D2300

CPC分类号： F02D41/10 ,  F02B37/18 ,  F02D13/0203 ,  F02D13/0253 ,  F02D41/0007 ,  F02D2041/001 ,  Y02T10/144

摘要： The invention relates to a method for controlling the boost pressure on an unsteady-running piston internal combustion engine with a turbocharger. According to the inventive method, a blow-off valve, which is connected upstream from the supercharger turbine in the exhaust gas tract, is controlled by an engine control, the position of the pedal and a boost-proportional gradient are detected by the engine control when initiating an acceleration operation and, when a predeterminable value for the boost-proportional gradient is surpassed, the blow-off valve is actuated in an opening direction in order to effect a predeterminable controlled increase of pressure.

公开(公告)号：US06564554B2

公开(公告)日：2003-05-20

申请号：US09924028

申请日：2001-08-07

申请人： Robert L. Hercey ,  Donald W. Heston ,  David L. Lehman

发明人： Robert L. Hercey ,  Donald W. Heston ,  David L. Lehman

IPC分类号： F02D2300

CPC分类号： F02D23/00 ,  Y02T10/144

摘要： Engines having turbochargers with a mechanically actuated wastegate typically control the wastegate in response to the air pressure at an outlet of a compressor portion of the turbocharger. Some engine configurations don't provide enough compressor outlet pressure variation to suitably control the wastegate. In the present invention, a control strategy is provided for opening and closing a wastegate based on exhaust gas pressure.

公开(公告)号：US06543228B2

公开(公告)日：2003-04-08

申请号：US09976976

申请日：2001-10-12

申请人： Edwin Richard Deacon

发明人： Edwin Richard Deacon

IPC分类号： F02D2300

CPC分类号： F02B37/183 ,  F01N3/20 ,  Y02T10/144 ,  Y10T137/7898

摘要： A turbocharger assembly has a housing (1) in which is formed a turbine volute inlet duct (4) having a butterfly valve (8) disposed therein and a bypass duct (6) which contains a swing valve (15), the valves being operable to control the flow of exhaust gas through each duct. A link member (30) is mounted for rotation about the pivot axis (21) of the swing valve (15) and has an opening in which an actuating pin (20) engages with a tolerance fit so as to non-rotatably connect the swing valve (15) to the link plate (30). The link plate also has an elongated channel (34) along which an actuating pin (13) of the butterfly valve travels upon rotation of the link plate (30) about the pivot axis (21). The elongated channel has a first portion (34a) which extends along an arc centred on the axis of rotation (21) and a second portion (34b) which extends along an arc whose centre is offset from said axis (21). In this way, during a first range of movement of the link plate (30) the actuating pin (13) of the butterfly valve moves along the first portion (34a) and no operative movement of the valve (8) is effected, whilst during a second range of movement of the link plate (30), a camming action is applied to the actuating pin (13) causing it to rotate about the axis of the butterfly valve (8) and close it. The link plate (30) is thereby able to provide normal wastegate relief to the turbocharger during the first range of movement by operation of the swing valve only, and is also able to provide cold start bypass of the turbocharger in the second range of movement, during which the butterfly valve (8) is closed and the swing valve (15) fully opened so that all the exhaust gas bypasses the turbocharger and reaches the catalytic converter with minimum heat loss. Rapid light-off of the catalytic converter during cold start conditions is thereby ensured.

公开(公告)号：US06527508B2

公开(公告)日：2003-03-04

申请号：US09922991

申请日：2001-08-03

申请人： Mark Groskreutz ,  David Beatty

发明人： Mark Groskreutz ,  David Beatty

IPC分类号： F02D2300

CPC分类号： F01D17/165

摘要： A turbocharger with variable geometry turbine inlet nozzle employs a rotating unison ring for actuation of multiple vanes. A crank arm engages a slot in the unison ring to convert linear actuator motion into rotation of the unison ring. A crank pin having a rectangular tongue adapted to be received in the slot and a circular body received in an aperture in the crank arm reduces contact stresses between the crank tongue and unison ring slot. The crank pin is retained in the crank arm by the unison ring and center housing flange of the turbocharger.

公开(公告)号：US06427445B1

公开(公告)日：2002-08-06

申请号：US09777579

申请日：2001-02-05

申请人： Emad S. Isaac ,  John E. Bernhardt ,  Michael J. McNulty

发明人： Emad S. Isaac ,  John E. Bernhardt ,  Michael J. McNulty

IPC分类号： F02D2300

CPC分类号： F02D41/0007 ,  F02D2041/1409 ,  F02D2041/141 ,  F02D2200/703 ,  Y02T10/144

摘要： A variable nozzle turbocharger (12) creates engine boost. Boost is controlled by controlling the position of vanes within turbocharger. A processor develops a control signal (29) for controlling vane position. The processor develops a value for desired boost and processes that value with a value. corresponding to the amount of boost being created by the turbocharger to generate error data (48A) defining error between the amount of boost being created by the turbocharger and the desired boost, and the processor develops a component of the control signal by P-LI-D processing (62) of the error data. Other components of the control signal are a feed-forward value from a look-up table (34) and a value from an overspeed protection function (60).

摘要翻译： 可变喷嘴涡轮增压器（12）产生发动机升压。 通过控制涡轮增压器内的叶片的位置来控制升压。 处理器开发用于控制叶片位置的控制信号（29）。 处理器为所需的升级开发一个值，并用该值处理该值。 对应于由涡轮增压器产生的升压量，以产生定义由涡轮增压器产生的升压量与所需升压之间的误差的误差数据（48A），并且处理器通过P-LI- D处理（62）的错误数据。 控制信号的其他组件是来自查找表（34）的前馈值和来自超速保护功能（60）的值。

公开(公告)号：US06318084B1

公开(公告)日：2001-11-20

申请号：US09390318

申请日：1999-09-07

申请人： Erwin Schmidt ,  Siegfried Sumser

发明人： Erwin Schmidt ,  Siegfried Sumser

IPC分类号： F02D2300

CPC分类号： F01L9/02 ,  F01L13/06

摘要： An internal-combustion engine has an engine braking device which has brake valves by way of which the combustion chamber content of the cylinders can be diverted in the engine braking phase. In the engine braking operation, the brake valves are changed into the opening position. In order to increase the operational reliability of the engine braking device, a blocking device is provided which acts upon the brake valves and which can be adjusted between a holding position and a release position. In the holding position of the blocking device, the brake valves are held in the opening position.

摘要翻译： 内燃机具有发动机制动装置，其具有制动阀，通过该制动阀，可以在发动机制动阶段使气缸的燃烧室含量转向。 在发动机制动操作中，制动阀变成打开位置。 为了提高发动机制动装置的运行可靠性，设置有阻挡装置，其作用在制动阀上并且可以在保持位置和释放位置之间进行调节。 在阻塞装置的保持位置，制动阀保持在打开位置。

公开(公告)号：US06295814B1

公开(公告)日：2001-10-02

申请号：US09403605

申请日：2000-01-10

申请人： Erwin Schmidt ,  Marco Schade ,  Siegfried Sumser

发明人： Erwin Schmidt ,  Marco Schade ,  Siegfried Sumser

IPC分类号： F02D2300

CPC分类号： F02B37/183 ,  F02B37/186 ,  F02B37/22 ,  Y02T10/144

摘要： An internal-combustion engine with a turbocharger is suggested, in the case of which a limiting of the exhaust gas counterpressure is provided in the braking operating mode of the internal-combustion engine.

摘要翻译： 建议使用具有涡轮增压器的内燃机，在内燃机的制动操作模式下，设置排气反压力的限制。