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公开(公告)号：US11920536B1
公开(公告)日：2024-03-05
申请号：US17746709
申请日：2022-05-17
申请人： Gary Schultz , Conrad P. Lindberg , Charles Duffie
发明人： Gary Schultz , Conrad P. Lindberg , Charles Duffie
CPC分类号： F02D41/222 , F02D41/221 , F02D41/3082 , F02C7/236 , F02C9/30 , F02D2041/223 , F02D2041/226 , F02D2041/228 , F02D2200/0602 , F02D2200/50
摘要： A fuel pump system for aircraft includes an auxiliary fuel pump in-line with the primary pump, and an electric motor driving the auxiliary fuel pump at an operational motor speed. The system includes an electric control circuit (ECC) and a pressure sensor to regulate the speed of the electric motor based on the output pressure from the sensor to maintain a constant predetermined output pressure. The system may have additional fault mitigation circuitry configured to automatically switch from a processor-controlled to a fixed voltage as a source of power driving the electric motor at either a regulated speed or a constant fixed speed, respectively. The system may include a switch having user-selectable operational modes, including ECC-controlled mode and a high boost mode selectable if the ECC fails. In high boost mode, the ECC is bypassed to drive the electric motor at a fixed safe speed.
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公开(公告)号：US11674469B1
公开(公告)日：2023-06-13
申请号：US17809401
申请日：2022-06-28
发明人： Aed Dudar
CPC分类号： F02D41/222 , F02D41/0037 , F02D41/0045 , F02M25/0836 , F02D2041/223 , F02D2041/228
摘要： Methods and systems are provided for a diagnostic of a pressure sensor. In one example, a method includes bypassing one or more vapor canisters and determining a condition of the pressure sensor based on feedback from a hydrocarbon sensor.
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公开(公告)号：US20190178177A1
公开(公告)日：2019-06-13
申请号：US16311920
申请日：2017-06-30
发明人： Aurélien Groussard , Thierry Collet
CPC分类号： F02D41/0032 , B60K15/03519 , B60K2015/03197 , B60K2015/0321 , B60K2015/03514 , B60K2015/03571 , B60K2015/03585 , B60Y2200/92 , F02D29/02 , F02D33/003 , F02D41/003 , F02D41/22 , F02D2041/223 , F02D2200/0602 , F02M25/0836 , F02M37/0082
摘要： A method for checking a measurement of pressure in a fuel tank, implemented in a vehicle having a fuel tank and a fuel vapor breather circuit including: a filter, a tank isolation valve interposed between the tank and the filter, and a purge line, connected to the filter, downstream thereof, a pressure sensor, and a purge valve. The method includes, when the purge valve is closed: measuring a value of the pressure in the tank when the isolation valve is closed, then measuring a temporal extreme value for the pressure in the purge line following an opening of the isolation valve, and determining, from the measured values, that there is an anomaly in the measured pressure in the tank.
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公开(公告)号：US20190017427A1
公开(公告)日：2019-01-17
申请号：US15647723
申请日：2017-07-12
发明人： Aed M. Dudar
CPC分类号： F01N11/00 , F01N3/023 , F01N9/00 , F01N11/002 , F01N2550/00 , F01N2550/04 , F01N2560/05 , F01N2560/08 , F01N2900/0416 , F02D13/0215 , F02D29/02 , F02D41/029 , F02D41/042 , F02D41/1444 , F02D41/1448 , F02D41/22 , F02D41/222 , F02D2041/001 , F02D2041/223 , F02D2200/0812 , F02D2250/06 , F02D2250/24
摘要： Systems and methods for diagnosing operation of a sensor of an exhaust system are presented. In one example, the systems and methods may diagnose operation of the sensor when an engine is combusting air and fuel. Further, operation of the sensor may be diagnosed when the engine is not combusting air and fuel so that vehicle occupants may not be disturbed by the diagnostic.
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公开(公告)号：US20180209368A1
公开(公告)日：2018-07-26
申请号：US15928356
申请日：2018-03-22
发明人： Aed M. Dudar , Fling Tseng
CPC分类号： F02D41/222 , B60K15/03 , B60K2015/0319 , B60K2015/03197 , B60K2015/0321 , F02D41/021 , F02D2041/223 , G07C5/008
摘要： Methods and systems are provided for conducting a fuel tank pressure transducer rationality test diagnostic procedure in vehicles with sealed fuel tanks. In one example, vehicle-to-vehicle (V2V) or vehicle-to-infrastructure-to-vehicle (V2I2V) technology may be utilized to obtain fuel tank pressure transducer data from a select crowd of vehicles, where the select crowd may be based on the vehicles in the select crowd experiencing similar ambient temperature and weather as the vehicle being diagnosed. In this way, FTPT data from vehicles in the select crowd may be compared to FTPT data in the vehicle being diagnosed, in order to indicate whether the FTPT in the vehicle being diagnosed is functioning as desired, where such a diagnostic can be performed without unsealing the fuel tank on either the vehicle being diagnosed or the vehicles in the select crowd, and which may thus reduce undesired evaporative emissions.
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公开(公告)号：US09822722B2
公开(公告)日：2017-11-21
申请号：US14862357
申请日：2015-09-23
发明人： Shunichi Tsutsuji , Koji Honda , Makiko Nakayama , Kinji Morihiro
CPC分类号： F02D41/22 , F02D41/406 , F02D2041/223 , F02D2041/224 , G01L27/007 , Y02T10/40
摘要： The fuel pressure sensor abnormality diagnosis apparatus diagnoses that a fuel pressure sensor is abnormal in the case where, because a state where a detected value of the fuel pressure sensor is less than a target value occurs, a fuel discharge amount of a fuel pump is increased, and as a result, the fuel discharge amount reaches its maximum amount, and even if a predetermined period has elapsed since the fuel discharge amount reaches its maximum amount, the detected value is less than the target value.
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公开(公告)号：US20170306868A1
公开(公告)日：2017-10-26
申请号：US15520600
申请日：2015-09-29
发明人： Weiyi TANG
CPC分类号： F02D41/0025 , F02D19/0615 , F02D19/0623 , F02D19/0628 , F02D19/0647 , F02D41/0027 , F02D41/222 , F02D2041/223 , Y02T10/36 , Y02T10/40
摘要： Embodiments of the present invention provide a method and a system for controlling fuel supply of a dual-fuel vehicle. The method includes: detecting an operation status of a pressure sensor by an electronic control unit, when an engine is at a gas state; receiving a pressure signal of the pressure sensor by the electronic control unit, when the pressure sensor works properly, the pressure signal indicating internal pressure of a gas tank; and controlling the engine to switch to fuel state by the electronic control unit, when the duration time of the internal pressure of the gas tank less than or equal to a predetermined pressure is greater than or equal to a predetermined time. The method can accurately control switching states according to the remainder of the gas in the gas tank, therefore avoid the engine frequent gas-fuel.
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8.发明授权公开(公告)号：US09606017B2
公开(公告)日：2017-03-28
申请号：US13777349
申请日：2013-02-26
发明人： Christoph Adler , Hans Riepl
IPC分类号： G01F17/00 , G01F23/00 , G01L7/00 , G01N11/00 , G01F1/00 , G01F7/00 , G01L27/00 , F02D41/22 , F02D41/38 , G01D18/00
CPC分类号： G01L27/007 , F02D41/222 , F02D41/3836 , F02D2041/223 , G01D18/008 , G01L27/00
摘要： A method for determining an error in a pressure, which is measured by means of a pressure sensor in a pressure accumulator for accumulating fuel that can be let out of the pressure accumulator via an injection valve and injected into a cylinder, wherein the method comprises: determining at least two 3-tuples of a first pressure, a period of time, and a second pressure, wherein each first pressure is measured by the pressure sensor; wherein after measuring each first pressure, the valve is opened for a period of time; and wherein after the opening of the valve for the period of time, the second pressure is measured by the pressure sensor; and determining the error of the measured pressure from the at least two 3-tuples.
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9.发明授权Method for diagnosing failure of fuel pressure sensor for high-pressure pump of GDI engine 有权用于诊断GDI发动机高压泵燃油压力传感器故障的方法公开(公告)号：US09556815B2
公开(公告)日：2017-01-31
申请号：US14689826
申请日：2015-04-17
发明人： Hee Sup Kim , Jong Sung Park
CPC分类号： F02D41/222 , F02D41/3809 , F02D2041/223 , F02D2041/227 , F02D2041/228 , F02D2200/0602 , Y02T10/40
摘要： A method for diagnosing a failure of a fuel pressure sensor for a high-pressure pump of a GDI engine includes a data collection step of collecting information on a state of a vehicle. A sensor condition determination step determines whether data collected in the data collection step meets conditions for determining the failure of the fuel pressure sensor. A failure determination step determines whether the fuel pressure value of the pressure sensor for the high-pressure pump is greater than or equal to a first reference value, and simultaneously, whether a fuel amount learning value is greater than or equal to a second reference value.
摘要翻译： 用于诊断GDI发动机的高压泵的燃料压力传感器的故障的方法包括：收集关于车辆状态的信息的数据收集步骤。 传感器条件确定步骤确定在数据收集步骤中收集的数据是否满足用于确定燃料压力传感器故障的条件。 故障确定步骤确定高压泵的压力传感器的燃料压力值是否大于或等于第一参考值，同时，燃料量学习值是否大于或等于第二参考值 。
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10.发明授权Method for operating a fuel injection system of an internal combustion engine 有权一种用于操作内燃机的燃料喷射系统的方法公开(公告)号：US09494102B2
公开(公告)日：2016-11-15
申请号：US13451094
申请日：2012-04-19
申请人： Markus Strasser
发明人： Markus Strasser
CPC分类号： F02D41/3809 , F02D41/2438 , F02D41/247 , F02D2041/223
摘要： A method for operating a fuel injection system of an internal combustion engine is described in which pressurized fuel is provided in a pressure storage device and a fuel pressure prevailing in pressure storage device is regulated with the aid of a pressure regulation, during a first measuring interval at least one fuel withdrawal from the pressure storage device taking place, and during a second measuring interval no fuel withdrawal from the pressure storage device of this type taking place, and during the first and the second measuring intervals a performance quantity of the pressure regulation being ascertained in each case, and the fuel quantity withdrawn during the first measuring interval being ascertained for the at least one withdrawal from a difference of the ascertained performance quantities of the pressure regulation.
摘要翻译： 一种用于操作内燃机的燃料喷射系统的方法，其中在压力存储装置中设置加压燃料，并且在第一测量间隔期间借助于压力调节来调节压力存储装置中的燃料压力 从所述压力存储装置发生的燃料中的至少一个燃料的取出发生，并且在第二测量间隔期间没有燃料从这种类型的压力存储装置中排出，并且在第一和第二测量间隔期间压力调节的执行量为 在每种情况下确定，并且确定在第一测量间隔期间撤回的燃料量至少从确定的压力调节性能量的差异中提取。
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