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公开(公告)号：US20240084745A1
公开(公告)日：2024-03-14
申请号：US17944900
申请日：2022-09-14
发明人： Travis Alva Anderson , Axel O. zur Loye , Mark A. Rosswurm , Paul Daniel Borisuk , Shashank Bishnoi , Matthew W. Isaacs , Jason A. Gore , Atin Tandon , Jamie Robert John Sleigh
CPC分类号： F02D19/0607 , F02D19/0631 , F02D19/0642 , F02D31/007 , F02D2200/023 , F02D2200/101
摘要： A method for controlling a dual fuel engine system includes estimating a total indicated engine load, where the total indicated engine load is based on a sum of a measured engine power and a power loss estimate. The method further includes determining a total fueling amount based on an engine speed and the total indicated engine load, where the total fueling amount includes a gas fueling amount and a diesel fueling amount. The method also includes controlling the dual fuel engine system using the total fueling amount.
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公开(公告)号：US12055105B2
公开(公告)日：2024-08-06
申请号：US17944905
申请日：2022-09-14
发明人： Travis Alva Anderson , Axel O. zur Loye , Mark A. Rosswurm , Paul Daniel Borisuk , Shashank Bishnoi , Matthew W. Isaacs , Jason A. Gore , Atin Tandon , Jamie Robert John Sleigh
CPC分类号： F02D19/0623 , F02D19/0628 , F02D19/0642 , F02D41/2451 , F02D2200/04 , F02D2200/101
摘要： A method for controlling a dual fuel engine system includes determining a friction power loss amount of an internal combustion engine of the dual fuel engine system, where the friction power loss amount is based on an engine speed of the internal combustion engine and a friction torque estimate. The method also includes determining an accessory power loss amount of a power of the internal combustion engine, where the accessory power loss amount is based on the engine speed and an accessory torque estimate. The method further includes estimating a net engine power amount based on the accessory power loss amount and a brake power amount of the internal combustion engine, estimating an indicated diesel power, and estimating, based on the estimated net engine power, a first indicated engine power and a first gas power.
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公开(公告)号：US20240141842A1
公开(公告)日：2024-05-02
申请号：US18402342
申请日：2024-01-02
发明人： Travis Alva Anderson , Axel O. zur Loye , Mark A. Rosswurm , Paul Daniel Borisuk , Shashank Bishnoi , Matthew W. Isaacs , Jason A. Gore , Atin Tandon , Jamie Robert John Sleigh
CPC分类号： F02D41/0027 , F02D41/1401 , F02D41/1446 , F02D41/2422 , F02D2041/1409 , F02D2041/141 , F02D2200/0606 , F02D2200/0612 , F02D2200/10
摘要： A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal combustion engine, and a lower heating value (LHV) within the internal combustion engine. The method also includes adjusting the gas flow target based on at least one of a measured gas temperature or a measured gas injector pressure and determining at least one base gas injector command based on the adjusted gas flow target, a gas substitution rate estimate, and a gas substitution rate target. The method further includes determining, based on the at least one base gas injector command, a gas injector command for at least one engine bank.
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公开(公告)号：US20240084746A1
公开(公告)日：2024-03-14
申请号：US17944905
申请日：2022-09-14
发明人： Travis Alva Anderson , Axel O. zur Loye , Mark A. Rosswurm , Paul Daniel Borisuk , Shashank Bishnoi , Matthew W. Isaacs , Jason A. Gore , Atin Tandon , Jamie Robert John Sleigh
CPC分类号： F02D19/0623 , F02D19/0628 , F02D19/0642 , F02D41/2451 , F02D2200/04 , F02D2200/101
摘要： A method for controlling a dual fuel engine system includes determining a friction power loss amount of an internal combustion engine of the dual fuel engine system, where the friction power loss amount is based on an engine speed of the internal combustion engine and a friction torque estimate. The method also includes determining an accessory power loss amount of a power of the internal combustion engine, where the accessory power loss amount is based on the engine speed and an accessory torque estimate. The method further includes estimating a net engine power amount based on the accessory power loss amount and a brake power amount of the internal combustion engine, estimating an indicated diesel power, and estimating, based on the estimated net engine power, a first indicated engine power and a first gas power.
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公开(公告)号：US11873772B1
公开(公告)日：2024-01-16
申请号：US17944910
申请日：2022-09-14
发明人： Travis Alva Anderson , Axel O. zur Loye , Mark A. Rosswurm , Paul Daniel Borisuk , Shashank Bishnoi , Matthew W. Isaacs , Jason A. Gore , Atin Tandon , Jamie Robert John Sleigh
CPC分类号： F02D41/0027 , F02D41/1401 , F02D41/1446 , F02D41/2422 , F02D2041/141 , F02D2041/1409 , F02D2200/0606 , F02D2200/0612 , F02D2200/10
摘要： A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal combustion engine, and a lower heating value (LHV) within the internal combustion engine. The method also includes adjusting the gas flow target based on at least one of a measured gas temperature or a measured gas injector pressure and determining at least one base gas injector command based on the adjusted gas flow target, a gas substitution rate estimate, and a gas substitution rate target. The method further includes determining, based on the at least one base gas injector command, a gas injector command for at least one engine bank.
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