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公开(公告)号：US10351126B2
公开(公告)日：2019-07-16
申请号：US15829157
申请日：2017-12-01
发明人： YoungMin Kim
IPC分类号： B60W20/40 , B60W10/04 , F02D41/30 , F02D41/00 , F02D41/06 , B60W20/10 , B60W10/06 , B60W10/08
摘要： A method for controlling a mild hybrid vehicle is provided. The methods includes: controlling, by a controller, a fuel system for supplying fuel to an engine to be changed to a system that simultaneously uses a gasoline direct injection fuel system and a multi-point injection fuel system based on a number of rotation of the engine and a load of the engine. The method further comprises operating, by the controller, a starter-generator so that torque of the engine operated by the gasoline direct injection fuel system and the multi-point injection fuel system becomes a demand torque of a driver of the mild hybrid vehicle when the demand torque of the driver is greater than a threshold value after the fuel system is changed to the system that simultaneously uses the gasoline direct injection fuel system and the multi-point injection fuel system.
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公开(公告)号：US09951722B2
公开(公告)日：2018-04-24
申请号：US14838362
申请日：2015-08-27
发明人： YoungMin Kim
CPC分类号： F02M25/0836 , F02M25/089 , F02M2025/0845 , F16K47/04 , F16K47/12
摘要： A chamber for reducing operating noise of a purge control solenoid valve (PCSV) for an evaporative emission control system comprises a first housing into which operating noise of the PCSV enters. The first housing has an inner space to change a cross sectional area of an operating noise path or an operating noise transfer direction at least once. A second housing has an upper portion coupled to a lower portion of the first housing to transfer the operating noise outside. At least one end of the chamber in a length direction thereof is connected with a vapor hose which connects a canister collecting fuel evaporation gas generated from a fuel tank with the PCSV to deliver the fuel evaporation gas to an engine and through which the fuel evaporation gas flows.
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公开(公告)号：US11407401B2
公开(公告)日：2022-08-09
申请号：US17077912
申请日：2020-10-22
发明人： YoungMin Kim
IPC分类号： B60W10/08 , B60W20/13 , B60W10/26 , B60W30/192 , F02N11/00 , F02N11/08 , B60W20/40 , B60K6/48 , B60K6/26
摘要： An apparatus for starting engine of mild hybrid electric vehicle may include: an ignition switch; an ambient temperature detector; a state of charge (SOC) detector; a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator; a starter which is configured to start the engine independently of the MHSG; a converter which is configured to voltage-drop an electric power of a high voltage battery and supply it to the low voltage battery or the starter; an MHSG wheel rotating integrally with the rotor; an MHSG position detector; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector.
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公开(公告)号：US10981559B2
公开(公告)日：2021-04-20
申请号：US16209791
申请日：2018-12-04
发明人： YoungMin Kim
IPC分类号： B60W10/08 , B60W20/13 , B60W10/26 , B60W30/192 , F02N11/00 , F02N11/08 , B60W20/40 , B60K6/48
摘要： An apparatus for starting engine of mild hybrid electric vehicle may include: an ignition switch; an ambient temperature detector; a state of charge (SOC) detector; a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator; a starter which is configured to start the engine independently of the MHSG; a converter which is configured to voltage-drop an electric power of a high voltage battery and supply it to the low voltage battery or the starter; an MHSG wheel rotating integrally with the rotor; an MHSG position detector; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector.
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公开(公告)号：US10538233B2
公开(公告)日：2020-01-21
申请号：US16017803
申请日：2018-06-25
发明人： YoungMin Kim
摘要： A method for controlling a mild hybrid vehicle is disclosed. The method includes determining, by a controller, whether a state of charge (SOC) of a first battery that supplies electric power to a starter-generator exceeds a reference value. The method further includes operating, by the controller, the starter-generator and a starter that is separate from the starter-generator and receives electric power from a second battery at a voltage lower than that of the first battery. A combustion engine of the mild hybrid vehicle is started using the starter-generator and the starter when it is determined that the state of charge of the first battery exceeds the reference value and it is determined that an ambient air temperature of the engine exceeds a temperature reference value.
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公开(公告)号：US20190351893A1
公开(公告)日：2019-11-21
申请号：US16127760
申请日：2018-09-11
发明人： YoungMin Kim
摘要： An apparatus for controlling mild hybrid electric vehicle is provided. The apparatus includes an engine and a mild hybrid starter and generator (MHSG) that starts the engine or generates power by an output of the engine. A data receiving unit receives at least vehicle speed data, vehicle location data, and traffic information and a controller adjusts a state of charge criteria for idle stop restriction based on the data supplied from the data receiving unit.
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公开(公告)号：US10703357B2
公开(公告)日：2020-07-07
申请号：US16208068
申请日：2018-12-03
发明人： YoungMin Kim
摘要： An apparatus for starting engine of mild hybrid electric vehicle according to an exemplary embodiment of the present disclosure may include: an ignition switch including a plurality of contact points; A gradient detector configured for detecting a road gradient of a road on which the vehicle is located; a state of charge (SOC) detector configured for detecting an SOC of a high voltage battery; a mild hybrid starter & generator (MHSG) including a stator and a rotor disposed inside the stator, and starting the engine or generating electricity by an output of the engine; a starter which is able to start the engine independently from the MHSG; an MHSG wheel rotating integrally with the rotor; an MHSG position detector configured for detecting a position of the MHSG; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector.
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公开(公告)号：US10589737B2
公开(公告)日：2020-03-17
申请号：US15829342
申请日：2017-12-01
发明人： YoungMin Kim , Hyun Kim
IPC分类号： B60W20/50 , F02D41/22 , B60K6/485 , B60W10/08 , B60W10/30 , B60W50/14 , F02D41/30 , G07C5/08 , F02D41/38
摘要： A method for controlling a mild hybrid vehicle is disclosed. The method includes: controlling a multi-point injection (MPI) fuel system for supplying fuel to an engine for a low revolutions-per-minute (RPM) operation; subsequently, causing a gasoline direct injection (GDI) fuel system for a high RPM operation; switching to the multi-point injection fuel system when it is determined that the gasoline direct injection fuel system fails. The method further comprises calculating a torque deficiency due to the switching from the GDI fuel system to the MPI fuel system and controlling a starter-generator to generate an assist torque to compensate the torque deficiency.
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公开(公告)号：US20190184972A1
公开(公告)日：2019-06-20
申请号：US16209791
申请日：2018-12-04
发明人： YoungMin Kim
IPC分类号： B60W20/13 , B60W10/26 , B60W30/192 , F02N11/00 , F02N11/08
CPC分类号： B60W20/13 , B60W10/26 , B60W30/192 , B60W2510/244 , B60W2550/12 , F02N11/006 , F02N11/0866 , F02N11/087 , F02N2011/0888 , F02N2200/061 , F02N2200/122 , F02N2300/2002
摘要： An apparatus for starting engine of mild hybrid electric vehicle may include: an ignition switch; an ambient temperature detector; a state of charge (SOC) detector; a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator; a starter which is configured to start the engine independently of the MHSG; a converter which is configured to voltage-drop an electric power of a high voltage battery and supply it to the low voltage battery or the starter; an MHSG wheel rotating integrally with the rotor; an MHSG position detector; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector.
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公开(公告)号：US10323617B2
公开(公告)日：2019-06-18
申请号：US15828669
申请日：2017-12-01
发明人： YoungMin Kim , Yong Ug Kim
IPC分类号： F02N11/08 , B60K6/22 , B60W10/04 , B60W20/00 , B60W30/192 , B60K6/485 , F02N19/00 , F02N11/00 , F02N11/04
摘要： An apparatus for starting an engine of a mild hybrid electric vehicle may include: an ignition switch including a plurality of contact points; an external temperature detector configured for detecting an external temperature of the mild hybrid electric vehicle; an SOC detector configured for detecting a state of charge (SOC) of a battery; a mild starter & generator (MHSG) including a stator and a rotor disposed inside the stator, and starting the engine or generating electricity according to an output of the engine; a starter starting the engine; an MHSG wheel rotating integrally with the rotor, and having at least three teeth on a circumference thereof; an MHSG position detector configured for detecting positions of the teeth; and a controller determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position sensor.
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