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1. 发明授权

US06640621B2 Diagnostic method for a shaft sensor in a reciprocating internal combustion engine 失效
公开(公告)号：US06640621B2
公开(公告)日：2003-11-04
申请号：US09983465
申请日：2001-03-29
申请人： James D. Ward , Alton L. Schuessler , Kenneth M. Simpson , Hallett D. Breidenbach
发明人： James D. Ward , Alton L. Schuessler , Kenneth M. Simpson , Hallett D. Breidenbach
IPC分类号： G01M1500
CPC分类号： G01L3/26
摘要： An improved method of diagnosing shaft sensor failure in a reciprocating internal combustion engine verifies engine rotation by sensor information responsive to dynamic variation in engine air intake that occurs during engine rotation. Failure of the shaft sensor is diagnosed when the dynamic variation in engine air intake is detected in the absence of a shaft sensor signal. The sensor information used to detect the dynamic variation in intake air may be obtained from either a mass air flow sensor disposed in a throttle passage of the engine, or from a pressure sensor disposed in an intake manifold of the engine, and virtually all current engine control systems utilize at least one of these sensors. The dynamic variation is detected by recognizing rising and falling segments of the signal waveform, by comparing the relative manifold pressure to predetermined maximum and minimum values, or by using a derivative of the signal waveform to recognize its inflection points.

2. 发明授权

US06390077B1 Adaptive flow restriction test method for an exhaust gas recirculation system 有权
标题翻译：排气再循环系统的自适应流量限制测试方法
公开(公告)号：US06390077B1
公开(公告)日：2002-05-21
申请号：US09816938
申请日：2000-09-13
申请人： Kenneth M. Simpson , Michael T. Cottrell , Stephen F. Majkowski , Hallett D. Breidenbach , Alton L. Schuessler
发明人： Kenneth M. Simpson , Michael T. Cottrell , Stephen F. Majkowski , Hallett D. Breidenbach , Alton L. Schuessler
IPC分类号： F02M2507
CPC分类号： F02M26/47 , F02D2200/0406 , F02M26/49
摘要： An improved test method for an EGR system reliably detects debilitating EGR system restrictions without significantly degrading combustion stability and exhaust emissions. The EGR valve test opening for diagnostic purposes is initialized at a relatively low value, which is progressively increased if the resulting change in intake manifold pressure fails to exceed a threshold based on the minimum expected change in intake manifold pressure for an EGR system that is regarded as functioning within acceptable limits. As soon as the measured pressure change exceeds the threshold, the EGR system is deemed to pass the restriction test, and the test method is terminated. If the EGR valve opening reaches a maximum value without the measured pressure exceeding the threshold, the EGR system is deemed to fail the restriction test, and a fault indication is generated. Consequently, the test opening of the EGR valve is adaptively determined based on the measured intake manifold pressure change, and is never larger than required to reliably detect a debilitating EGR restriction. This allows reliable detection of a borderline failing EGR system, while preventing degradation of combustion stability and emissions in a substantially unrestricted EGR system.
摘要翻译：用于EGR系统的改进的测试方法可以可靠地检测衰减的EGR系统限制，而不会显着降低燃烧稳定性和废气排放。用于诊断目的的EGR阀测试开口被初始化为相对较低的值，如果由于所考虑的EGR系统的进气歧管压力的最小预期变化导致的进气歧管压力的变化不能超过阈值，则其逐渐增加在可接受的范围内运作。一旦测量的压力变化超过阈值，则认为EGR系统通过限制测试，并且终止测试方法。如果EGR阀开度达到最大值而没有测量压力超过阈值，则认为EGR系统不能进行限制测试，并产生故障指示。因此，基于所测量的进气歧管压力变化自适应地确定EGR阀的测试开度，并且不大于可靠地检测衰减的EGR限制所要求的EGR阀的测试开度。这允许可靠地检测边界故障的EGR系统，同时防止在基本上无限制的EGR系统中的燃烧稳定性和排放的劣化。

3. 发明授权

US07107134B1 Method of determining a default transmission output speed 有权
标题翻译：确定默认传输输出速度的方法
公开(公告)号：US07107134B1
公开(公告)日：2006-09-12
申请号：US11283216
申请日：2005-11-18
申请人： Steve L. Melby , Andrew D. Herman , Kenneth M. Simpson , David Allen Dues , Hallett D. Breidenbach
发明人： Steve L. Melby , Andrew D. Herman , Kenneth M. Simpson , David Allen Dues , Hallett D. Breidenbach
IPC分类号： G06F7/00
CPC分类号： B60W50/029 , B60W2050/022 , B60W2050/0292 , B60W2520/10
摘要： A default value of transmission output speed in a motor vehicle powertrain having an automatic-shift multi-gear ratio power transmission is continuously updated based on a measured value of the output speed and other reliable speed data including transmission input speed and vehicle speed. The default value is substituted for the measured output speed when a malfunction of the output speed sensor is detected, and transitions back to the measured output speed when the output speed sensor malfunction is no longer present.
摘要翻译：基于输出速度的测量值和包括变速器输入速度和车速的其他可靠速度数据，不断地更新具有自动变速多档位动力传递的机动车辆动力系中的变速器输出速度的默认值。当检测到输出速度传感器的故障时，默认值代替测量的输出速度，当输出速度传感器故障不再存在时，转换回测量的输出速度。

4. 发明申请

US20090259883A1 ROBUST SYNCHRONIZATION OF DIAGNOSTIC INFORMATION AMONG POWERTRAIN CONTROL MODULES 审中-公开
标题翻译：动力系统控制模块诊断信息的鲁棒同步
公开(公告)号：US20090259883A1
公开(公告)日：2009-10-15
申请号：US12101400
申请日：2008-04-11
申请人： Kenneth M. Simpson , Hallett D. Breidenbach , Michael E. List , Timothy K. Sheffer , Bradley S. McClellan
发明人： Kenneth M. Simpson , Hallett D. Breidenbach , Michael E. List , Timothy K. Sheffer , Bradley S. McClellan
IPC分类号： G06F11/00
CPC分类号： G05B23/0221
摘要： An automotive system has a primary control module, such as an engine control module (ECM) configured for connection to a malfunction indicator lamp (MIL), and a secondary control module, such as a transmission control module (TCM), each in communication with each other over a bus. Each control module includes a respective diagnostic data status record. Each record includes a pending fault field, a confirmed fault field and an MIL control status field. An improved method for synchronizing the diagnostic data contained in the respective status records includes an extended status signal set that is used to communicate over the bus. The set includes a diagnostic testing complete signal, a fault present signal and a MIL request signal indicative of a request to illuminate the MIL. Logic in the receiving control module (ECM) interprets the extended status signal set to properly synchronize its diagnostic data status record with the TCM's, including both pending and confirmed faults.
摘要翻译：汽车系统具有主控制模块，例如被配置为连接到故障指示灯（MIL）的发动机控制模块（ECM）以及诸如变速器控制模块（TCM）的次级控制模块，每个都与互相通过一条公共汽车。每个控制模块包括相应的诊断数据状态记录。每个记录包括未决故障字段，已确认故障字段和MIL控制状态字段。用于同步包含在各个状态记录中的诊断数据的改进方法包括用于通过总线通信的扩展状态信号组。该组包括诊断测试完成信号，故障呈现信号和指示照亮MIL的请求的MIL请求信号。接收控制模块（ECM）中的逻辑解释扩展状态信号设置，使其诊断数据状态记录与TCM正确同步，包括待处理和确认的故障。

5. 发明授权

US06311548B1 Method of validating a diagnostic leak detection test for a fuel tank 有权
标题翻译：验证燃油箱诊断泄漏检测试验的方法
公开(公告)号：US06311548B1
公开(公告)日：2001-11-06
申请号：US09382527
申请日：1999-08-25
申请人： Hallett D. Breidenbach , Kenneth M. Simpson , Stephen F. Majkowski
发明人： Hallett D. Breidenbach , Kenneth M. Simpson , Stephen F. Majkowski
IPC分类号： G01M300
CPC分类号： F02M25/0809
摘要： A method of validating a leak detection test for a fuel tank in a vehicle includes the steps of determining a vacuum decay rate of a fuel vapor in the fuel tank and dividing the vacuum decay rate into a set of adjacent segments distributed over a series of consecutive time intervals. The method also includes the steps of determining a slope of the segments, determining if a difference between two consecutive slopes of the segments meets a predetermined criteria, and validating the leak detection test if the difference meets the predetermined criteria.
摘要翻译：验证车辆中的燃料箱的泄漏检测试验的方法包括以下步骤：确定燃料箱中的燃料蒸气的真空衰减速率，并将真空衰减速率除以分布在一系列连续的分布的一组相邻的段时间间隔。该方法还包括以下步骤：确定段的斜率，确定段的两个连续斜率之间的差是否满足预定标准，以及如果差异满足预定标准则验证泄漏检测测试。

6. 发明授权

US07120531B1 Method of determining a default transmission input speed 失效
标题翻译：确定默认传输输入速度的方法
公开(公告)号：US07120531B1
公开(公告)日：2006-10-10
申请号：US11365302
申请日：2006-03-01
申请人： Steve L. Melby , Andrew D. Herman , Kenneth M. Simpson , David Allen Dues , Hallett D. Breidenbach
发明人： Steve L. Melby , Andrew D. Herman , Kenneth M. Simpson , David Allen Dues , Hallett D. Breidenbach
IPC分类号： G06F7/00
CPC分类号： B60W50/029 , B60W2050/022 , B60W2050/0292 , B60W2520/10
摘要： A default value of transmission input speed in a motor vehicle powertrain having an automatic-shift multi-gear ratio power transmission is continuously updated based on a measured value of the input speed and other reliable speed data including transmission output speed and engine speed. The default value is substituted for the measured input speed when a malfunction of the input speed sensor is detected, and transitions back to the measured input speed when the input speed sensor malfunction is no longer present.
摘要翻译：基于输入速度的测量值和包括变速器输出速度和发动机转速的其他可靠速度数据，连续地更新具有自动变速多档位动力传递的机动车辆动力传动系中的变速器输入速度的默认值。当检测到输入速度传感器的故障时，默认值代替测量的输入速度，当输入速度传感器故障不再存在时，转换回测量的输入速度。

7. 发明授权

US07647158B2 Apparatus and method for diagnosing an airflow modifying control system 有权
标题翻译：用于诊断气流调节控制系统的装置和方法
公开(公告)号：US07647158B2
公开(公告)日：2010-01-12
申请号：US11871377
申请日：2007-10-12
申请人： Kenneth M. Simpson , Peter H. Maehling
发明人： Kenneth M. Simpson , Peter H. Maehling
IPC分类号： G06F11/30 , G06F19/00 , G01M19/00
CPC分类号： F02D41/221 , F02D41/0002 , F02D2041/0015 , Y02T10/42
摘要： An apparatus and method for diagnosing an airflow control system of an internal combustion engine, the method comprising: determining if a valve is in a stable position; commanding the valve of the airflow control system to move from a first position to a second position; determining a period of time for the valve to move from the first position to the second position; providing a first signal if the period of time is greater than or less than a predetermined period of time, the predetermined period of time corresponding to an amount of time necessary to move the valve from the first position to the second position under predetermined conditions; and providing a second signal if the period of time is within a range defined by the predetermined period of time.
摘要翻译：一种用于诊断内燃机的气流控制系统的装置和方法，所述方法包括：确定阀是否处于稳定位置; 指示气流控制系统的阀门从第一位置移动到第二位置; 确定所述阀从所述第一位置移动到所述第二位置的时间段; 如果所述时间段大于或小于预定时间段，则提供第一信号，所述预定时间段对应于在预定条件下将所述阀从所述第一位置移动到所述第二位置所需的时间量; 以及如果所述时间段在由所述预定时间段限定的范围内，则提供第二信号。

8. 发明申请

US20090319162A1 METHOD TO DETECT THE PRESENCE OF A LIQUID-COOLED ENGINE SUPPLEMENTAL HEATER 失效
标题翻译：检测液体冷却发动机辅助加热器的方法
公开(公告)号：US20090319162A1
公开(公告)日：2009-12-24
申请号：US12145112
申请日：2008-06-24
申请人： Eric Bommer , Kenneth M. Simpson , Michael E. List , Warren Huang
发明人： Eric Bommer , Kenneth M. Simpson , Michael E. List , Warren Huang
IPC分类号： F02D45/00
CPC分类号： F02D41/222 , F02D41/062 , F02D2200/0414 , F02N19/10 , Y02T10/40
摘要： A method for detecting an engine block heater includes block heater detection logic and a data table containing calibration thresholds. The method determines a time-series of delta (Δ) engine coolant temperatures (ECT), which represent the respective differences between a start-up ECT and a plurality of operating ECT values measured thereafter. The method integrates the time-series to obtain a Δ ECT integral. The method also maintains an integrated engine speed parameter accumulated over the course of the detection period. Throughout the detection period, the method retrieves a threshold value from the table based on the integrated engine speed (Y-axis) versus an elapsed time (X-axis) since the detection period began. When the calculated Δ ECT integral value exceeds the retrieved threshold, the method determines that the block heater was operated, which can thereafter be used to suppress sensor rationality testing or reporting of results thereof.
摘要翻译：用于检测发动机缸体加热器的方法包括块加热器检测逻辑和包含校准阈值的数据表。该方法确定Delta（Delta）发动机冷却剂温度（ECT）的时间序列，其表示起始ECT和其后测量的多个操作ECT值之间的相应差异。该方法集成了时间序列，以获得Delta ECT积分。该方法还保持在检测周期过程中累积的集成发动机速度参数。在整个检测期间，该方法从检测周期开始以来，基于集成发动机转速（Y轴）与经过时间（X轴）从表中检索阈值。当计算的Delta ECT积分值超过检索到的阈值时，该方法确定块加热器被操作，其后可以用于抑制传感器合理性测试或其结果的报告。

9. 发明授权

US07203617B1 Method of diagnosing a low range limiting malfunction of an engine coolant temperature sensor 失效
标题翻译：诊断发动机冷却液温度传感器的低范围限制故障的方法
公开(公告)号：US07203617B1
公开(公告)日：2007-04-10
申请号：US11234408
申请日：2005-09-23
申请人： Mahfuzur Rahman , Kenneth M. Simpson
发明人： Mahfuzur Rahman , Kenneth M. Simpson
IPC分类号： G06F11/00
CPC分类号： G01K15/00 , G01K2205/00
摘要： Low range limiting malfunctions of an engine coolant temperature (ECT) sensor are diagnosed by comparing a change in the sensed temperature during engine operation with a calibrated temperature change. If the change in sensed temperature fails to exceed the calibrated temperature change, and a diagnostic for detecting a stuck ECT signal is either inconclusive or passed, a low range limiting malfunction of the sensor is indicated. If the diagnostic for detecting a stuck ECT signal is failed, the low range limiting diagnostic concludes with no report even if the change in sensed temperature fails to exceed the calibrated temperature change.
摘要翻译：发动机冷却液温度（ECT）传感器的低范围限制故障通过将发动机运转期间检测到的温度变化与校准的温度变化进行比较来诊断。如果感测温度的变化不能超过校准的温度变化，并且用于检测卡住的ECT信号的诊断结果不确定或通过，则指示传感器的低范围限制故障。如果检测到卡住的ECT信号的诊断失败，即使感测温度的变化不能超过校准的温度变化，低范围限制诊断也不会报告。

10. 发明授权

US06308119B1 Preset diagnostic leak detection method for an automotive evaporative emission system 有权
标题翻译：汽车蒸发排放系统的预设诊断泄漏检测方法
公开(公告)号：US06308119B1
公开(公告)日：2001-10-23
申请号：US09438068
申请日：1999-11-10
申请人： Stephen F. Majkowski , Michael J. Steckler , Kenneth M. Simpson , Malcolm James Grieve
发明人： Stephen F. Majkowski , Michael J. Steckler , Kenneth M. Simpson , Malcolm James Grieve
IPC分类号： G01M326
CPC分类号： F02M25/0809
摘要： An improved method of diagnosing evaporative emission system leaks at engine idle, wherein the system is closed and drawn down to a sub-atmospheric pressure early in a driving cycle prior to the achievement of an idle condition appropriate for leak testing. When the test enabling conditions other than engine idle are met, the system vent is closed, and the purge valve is modulated to regulate the fuel tank pressure at a sub-atmospheric value substantially equivalent to the leak test pressure to be used at engine idle. When engine idle is achieved, the purge valve is closed, and the leak test is conducted with little or no delay. The time required to conduct the leak test is improved because the system pressure is at or near the test pressure when the engine idle condition is achieved, and at the same time, the reliability of the leak test data is improved because vapor generation equilibrium in the fuel tank is more nearly achieved when the leak test is initiated.
摘要翻译：一种用于诊断发动机怠速时的蒸发排放系统泄漏的改进方法，其中在实现适合于泄漏测试的怠速条件之前，该系统被关闭并且在驾驶循环早期被拉低至次大气压。当满足发动机怠速以外的测试使能条件时，系统通风口关闭，并且对发动机怠速时使用的泄漏测试压力等于大气压值的调节燃料箱压力进行调节。当实现发动机空转时，关闭排气阀，并且几乎没有延迟进行泄漏测试。由于系统压力在实现发动机怠速状态时处于或接近试验压力，所以进行泄漏试验所需的时间得到改善，同时，泄漏试验数据的可靠性得到改善，因为在当泄漏测试开始时，燃油箱更接近实现。

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