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公开(公告)号：US20140331964A1
公开(公告)日：2014-11-13
申请号：US13890671
申请日：2013-05-09
Applicant: Caterpillar, Inc.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel R. Puckett , Alan R. Stockner
CPC classification number: F02D19/0602 , F02D19/0605 , F02D19/0623 , F02D19/0628 , F02D19/0647 , F02D19/0681 , F02D19/0694 , F02D19/10 , F02M43/00 , Y02T10/36
Abstract: A compression ignition engine is fueled from common rail fuel injectors that predominately inject natural gas fuel that is compression ignited with a small pilot injection of liquid diesel fuel. Prior to servicing the engine, a service tool may establish a communication link with an electronic controller that controls operation of the engine. Pressure information for a gaseous fuel common rail and a liquid fuel common rail are displayed with the service tool, when the engine is stopped, in order to determine whether the rails are completely depressurized indicating that it is then o.k. to perform servicing tasks.
Abstract translation: 压燃式发动机由共轨燃油喷射器燃料，其主要喷射天然气燃料，该天然气燃料通过小型先导式液体柴油燃料喷射被压缩点燃。 在维修发动机之前，服务工具可以建立与控制发动机运行的电子控制器的通信链路。 当发动机停止时，与维修工具一起显示用于气体燃料共轨和液体燃料共轨的压力信息，以便确定轨道是否被完全减压，从而指示其然后是o.k。 执行维修任务。
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公开(公告)号：US11781464B1
公开(公告)日：2023-10-10
申请号：US17657576
申请日：2022-03-31
Applicant: Caterpillar Inc.
Inventor： Frank Lombardi , Baoyong Liu , Urvish Joshi , Austin Bierle , Jay Venkataraghavan , Kent Anthony Schonert
CPC classification number: F01N11/00 , F01N3/208 , F01N9/005 , F01N9/007 , F01N11/007 , F01N2550/02 , F01N2550/05 , F01N2900/04 , F01N2900/0406 , F01N2900/0408 , F01N2900/0412 , F01N2900/06 , F01N2900/08 , F01N2900/1402 , F01N2900/1602 , F01N2900/1614 , F01N2900/18 , F01N2900/1814
Abstract: A method for estimating a quality of reductant in an engine aftertreatment system for an engine using a virtual sensor, the method comprising: determining whether an enablement condition is met, wherein the enablement condition is one or more of: a reductant fill condition determined based on data received from one or more float sensors associated with the engine; a machine start condition determined based on machine speed data obtained from a speed sensor associated with the engine; and/or a rationality check condition determined based on data associated with a fault of one or more sensors associated with the engine; upon determining that the enablement condition is met, receiving NOx measurement data obtained from at least one NOx sensor; generating a reductant quality value based on the NOx measurement data; and outputting a reductant quality determination based on the reductant quality value.
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公开(公告)号：US09091240B2
公开(公告)日：2015-07-28
申请号：US13749011
申请日：2013-01-24
Applicant: Caterpillar Inc.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel Reese Puckett , Cory A. Brown , Joshua Wayne Steffen , Paul Joseph Desiderio
CPC classification number: F02M69/00 , F02D19/02 , F02M21/02 , F02M21/0218 , F02M21/023 , F02M21/0236 , F02M21/0239 , Y02T10/32
Abstract: A system, related method and computer program product are disclosed for controlling fuel mass of CNG received by an engine. The system may comprise a heat exchanger configured to receive CLNG and supply coolant and to output CNG and return coolant, an injector configured to inject CNG into the engine, a gas line between the injector and heat exchanger, a control valve configured to receive return coolant from the heat exchanger and to change the amount of return coolant flowing through control valve, and a controller connected to the control valve. The gas line may be configured to carry CNG from the heat exchanger to the injector. The controller may be configured to maintain a Gas Line Temperature within an operating range by adjusting the amount of return coolant flowing through the control valve based, at least in part, on the Gas Line Temperature and a Target Return Coolant Temperature.
Abstract translation: 公开了一种用于控制由发动机接收的CNG的燃料质量的系统，相关方法和计算机程序产品。 该系统可以包括热交换器，其被配置为接收CLNG并供应冷却剂并输出CNG并返回冷却剂;配置成将CNG注入发动机的喷射器，喷射器和热交换器之间的气体管线;配置成接收返回冷却剂的控制阀 并且改变流过控制阀的冷却剂回流量，以及连接到控制阀的控制器。 气体管线可以被配置为将CNG从热交换器运送到喷射器。 控制器可以被配置为通过至少部分地基于气体管线温度和目标返回冷却剂温度调节流过控制阀的回流冷却剂的量来将气体管线温度维持在工作范围内。
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公开(公告)号：US11226358B2
公开(公告)日：2022-01-18
申请号：US16287515
申请日：2019-02-27
Applicant: Caterpillar Inc.
Inventor： Sylvain Charbonnel , Frank Lombardi
Abstract: A damage analysis and control system is disclosed. An example process may include receiving a data set of measurements associated with a period of operation of a power system. The data set of measurements may identify a frequency that the power system is in an operating state during the period of operation, and the data set of measurements may identify a frequency of damage measurements associated with the operating state. The process may include determining, using a damage model and the data set of measurements, a damage score for the operating state during the period of operation of the power system. The process may include determining that the damage score satisfies a threshold damage score associated with the damage model and performing an action associated with the power system based on the damage score satisfying the threshold damage score.
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公开(公告)号：US09064401B2
公开(公告)日：2015-06-23
申请号：US13888522
申请日：2013-05-07
Applicant: Caterpillar Inc.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel Reese Puckett
CPC classification number: G08B21/182 , B65D90/50 , F17C9/00 , F17C13/02 , F17C2221/033 , F17C2223/0161 , F17C2223/033 , F17C2223/046 , F17C2250/032 , F17C2250/0408 , F17C2250/0421 , F17C2250/0426 , F17C2250/043 , F17C2250/0439 , F17C2250/0473 , F17C2250/0491 , F17C2250/0495 , F17C2260/038 , F17C2265/06 , F17C2270/0581 , G01M3/3227 , G01M3/3245 , G01M3/3254
Abstract: A method of detecting leakage of a fluid from a tank is disclosed. The method may include determining cumulative commanded fluid consumption of the fluid in the tank over a selected time period, determining an actual change of a volume of the fluid in the tank over the selected time period, and comparing the cumulative commanded fluid consumption to the actual change of volume of the fluid. The method may further include producing a leak warning upon the actual change of volume of the fluid over the selected time period exceeding the cumulative commanded fluid consumption over the selected time period plus a threshold value.
Abstract translation: 公开了一种检测来自罐的流体泄漏的方法。 该方法可以包括在所选择的时间段内确定罐中的流体的累积指令流体消耗量，确定在所选择的时间段内罐中的流体的实际变化，以及将累积指令的流体消耗与实际 液体体积变化。 该方法可以进一步包括在所选择的时间段内超过在所选择的时间段内的累积指令的流体消耗加上阈值的流体的实际体积变化时产生泄漏警告。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20140331963A1
公开(公告)日：2014-11-13
申请号：US13889574
申请日：2013-05-08
Applicant: CATERPILLAR, INC.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel R. Puckett , Cory Brown
IPC: F02D41/00
CPC classification number: F02D41/0025 , F02D19/0605 , F02D19/061 , F02D19/0694 , F02D19/10 , F02D41/0027 , F02D41/10 , F02D41/3845 , F02D2041/3881 , Y02T10/36
Abstract: A compression ignition engine is fueled from common rail fuel injectors that predominately inject natural gas fuel that is compression ignited with a small pilot injection of liquid diesel fuel. Before and after a rapid fueling increase transient, the liquid and gaseous rail pressures are controlled toward respective pressures based upon engine speed and load. During the transient, the liquid rail pressure is controlled toward an elevated liquid pressure in order to cause a surge in the supply of gaseous fuel to the gaseous fuel common rail to proactively satisfy the increased gaseous fuel injection rate while obviating a substantial pressure deficit in the gaseous fuel common rail.
Abstract translation: 压燃式发动机由共轨燃油喷射器燃料，其主要喷射天然气燃料，该天然气燃料通过小型先导式液体柴油燃料喷射被压缩点燃。 在快速加油增加瞬态之前和之后，基于发动机转速和负载，液压和气体轨道压力被控制到相应的压力。 在瞬态期间，将液体轨道压力控制到升高的液体压力，以便引起向气体燃料共轨供应气体燃料的浪涌，以主动满足增加的气体燃料喷射速率，同时避免在 气体燃料共轨。
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7.发明申请公开(公告)号：US20140311444A1
公开(公告)日：2014-10-23
申请号：US13866303
申请日：2013-04-19
Applicant: CATERPILLAR, INC.
Inventor： Dana R. Coldren , Steven Thomas Grant , Frank Lombardi , Daniel R. Puckett
IPC: F02D41/00
CPC classification number: F02D41/0025 , F02D19/0605 , F02D19/061 , F02D19/0694 , F02D19/10 , F02D41/0027 , F02D41/3836 , F02D41/3845 , F02D41/403 , F02D2041/3881 , F02D2200/0602
Abstract: A compression ignition engine is fueled from common rail fuel injectors that predominately inject natural gas fuel that is compression ignited with a small pilot injection of liquid diesel fuel. Before and after a rapid load loss transient, the liquid and gaseous rail pressures are controlled toward respective pressures based upon engine speed and load. During the transient, the liquid rail pressure is controlled relative to the gas rail pressure in order to maintain the liquid rail pressure greater than the gas pressure during the transient to avoid migration gaseous fuel into the liquid fuel side of the system.
Abstract translation: 压燃式发动机由共轨燃油喷射器燃料，其主要喷射天然气燃料，该天然气燃料通过小型先导式液体柴油燃料喷射被压缩点燃。 在快速负载损耗瞬变之前和之后，基于发动机转速和负载，将液体和气体轨道压力控制到相应的压力。 在瞬态期间，相对于气体轨道压力控制液体轨道压力，以便在瞬态期间保持液体轨道压力大于气体压力，以避免气态燃料进入系统的液体燃料侧。
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公开(公告)号：US20140202429A1
公开(公告)日：2014-07-24
申请号：US13749011
申请日：2013-01-24
Applicant: CATERPILLAR INC.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel Reese Puckett , Cory A. Brown , Joshua Wayne Steffen , Paul Joseph Desiderio
IPC: F02M69/00
CPC classification number: F02M69/00 , F02D19/02 , F02M21/02 , F02M21/0218 , F02M21/023 , F02M21/0236 , F02M21/0239 , Y02T10/32
Abstract: A system, related method and computer program product are disclosed for controlling fuel mass of CNG received by an engine. The system may comprise a heat exchanger configured to receive CLNG and supply coolant and to output CNG and return coolant, an injector configured to inject CNG into the engine, a gas line between the injector and heat exchanger, a control valve configured to receive return coolant from the heat exchanger and to change the amount of return coolant flowing through control valve, and a controller connected to the control valve. The gas line may be configured to carry CNG from the heat exchanger to the injector. The controller may be configured to maintain a Gas Line Temperature within an operating range by adjusting the amount of return coolant flowing through the control valve based, at least in part, on the Gas Line Temperature and a Target Return Coolant Temperature.
Abstract translation: 公开了一种用于控制由发动机接收的CNG的燃料质量的系统，相关方法和计算机程序产品。 该系统可以包括热交换器，其被配置为接收CLNG并供应冷却剂并输出CNG并返回冷却剂;配置成将CNG注入发动机的喷射器，喷射器和热交换器之间的气体管线;配置成接收返回冷却剂的控制阀 并且改变流过控制阀的冷却剂回流量，以及连接到控制阀的控制器。 气体管线可以被配置为将CNG从热交换器运送到喷射器。 控制器可以被配置为通过至少部分地基于气体管线温度和目标返回冷却剂温度调节流过控制阀的回流冷却剂的量来将气体管线温度维持在工作范围内。
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公开(公告)号：US20200271702A1
公开(公告)日：2020-08-27
申请号：US16287515
申请日：2019-02-27
Applicant: Caterpillar Inc.
Inventor： Sylvain CHARBONNEL , Frank Lombardi
Abstract: A damage analysis and control system is disclosed. An example process may include receiving a data set of measurements associated with a period of operation of a power system. The data set of measurements may identify a frequency that the power system is in an operating state during the period of operation, and the data set of measurements may identify a frequency of damage measurements associated with the operating state. The process may include determining, using a damage model and the data set of measurements, a damage score for the operating state during the period of operation of the power system. The process may include determining that the damage score satisfies a threshold damage score associated with the damage model and performing an action associated with the power system based on the damage score satisfying the threshold damage score.
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10.发明授权公开(公告)号：US09181886B2
公开(公告)日：2015-11-10
申请号：US13889574
申请日：2013-05-08
Applicant: Caterpillar, Inc.
Inventor： Steven Thomas Grant , Frank Lombardi , Daniel R. Puckett , Cory Brown
CPC classification number: F02D41/0025 , F02D19/0605 , F02D19/061 , F02D19/0694 , F02D19/10 , F02D41/0027 , F02D41/10 , F02D41/3845 , F02D2041/3881 , Y02T10/36
Abstract: A compression ignition engine is fueled from common rail fuel injectors that predominately inject natural gas fuel that is compression ignited with a small pilot injection of liquid diesel fuel. Before and after a rapid fueling increase transient, the liquid and gaseous rail pressures are controlled toward respective pressures based upon engine speed and load. During the transient, the liquid rail pressure is controlled toward an elevated liquid pressure in order to cause a surge in the supply of gaseous fuel to the gaseous fuel common rail to proactively satisfy the increased gaseous fuel injection rate while obviating a substantial pressure deficit in the gaseous fuel common rail.
Abstract translation: 压燃式发动机由共轨燃油喷射器燃料，其主要喷射天然气燃料，该天然气燃料通过小型先导式液体柴油燃料喷射被压缩点燃。 在快速加油增加瞬态之前和之后，基于发动机转速和负载，液压和气体轨道压力被控制到相应的压力。 在瞬态期间，将液体轨道压力控制到升高的液体压力，以便引起向气体燃料共轨供应气体燃料的浪涌，以主动满足增加的气体燃料喷射速率，同时避免在 气体燃料共轨。
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