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公开(公告)号：US09677519B2
公开(公告)日：2017-06-13
申请号：US14098228
申请日：2013-12-05
发明人： Jin Oh Song
CPC分类号： F02M37/0041 , F02M21/0212 , F02M21/0239 , Y02T10/32
摘要： A device for decreasing fuel pulsation of an LPG vehicle may include a bombe storing LPG fuel therein, a regulator connected to the bombe and adjusting a temperature and pressure of the LPG fuel, an injector spraying the LPG fuel supplied from the regulator to an engine, a fuel line connecting the bombe, the regulator, and the injector to supply or collect the fuel, and a pulsation damper provided between the regulator and the injector in the fuel line and have a plurality of pistons slidably coupled each other for decreasing the fuel pulsation.
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公开(公告)号：US20150059701A1
公开(公告)日：2015-03-05
申请号：US14098228
申请日：2013-12-05
发明人： Jin Oh Song
IPC分类号： F02M37/00
CPC分类号： F02M37/0041 , F02M21/0212 , F02M21/0239 , Y02T10/32
摘要： A device for decreasing fuel pulsation of an LPG vehicle may include a bombe storing LPG fuel therein, a regulator connected to the bombe and adjusting a temperature and pressure of the LPG fuel, an injector spraying the LPG fuel supplied from the regulator to an engine, a fuel line connecting the bombe, the regulator, and the injector to supply or collect the fuel, and a pulsation damper provided between the regulator and the injector in the fuel line and have a plurality of pistons slidably coupled each other for decreasing the fuel pulsation.
摘要翻译： 用于降低LPG车辆的燃料脉动的装置可以包括在其中存储LPG燃料的炸弹，连接到炸弹的调节器并调节LPG燃料的温度和压力，喷射器将从调节器供应的LPG燃料喷射到发动机， 连接炸弹，调节器和喷射器以供应或收集燃料的燃料管线以及设置在调节器和燃料管线中的喷射器之间的脉动阻尼器，并且具有多个可滑动地联接的活塞以减少燃料脉动 。
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公开(公告)号：US20140123947A1
公开(公告)日：2014-05-08
申请号：US13749188
申请日：2013-01-24
发明人： Jin Oh Song , Sung Kun Kim , Chulsoo Yook , Yong Deok Park , One-Gil Lee
IPC分类号： F02M39/00
CPC分类号： F02M39/00 , F02D19/022 , F02M21/0212 , F02M21/0239 , F02M21/0245 , F02M21/0275 , Y02T10/32
摘要： An LPG direct injection system may include an engine receiving liquefied petroleum gas (LPG) into a combustion chamber thereof, an injector adapted to inject the LPG into the combustion chamber of the engine, a high pressure fuel pump supplying high pressured LPG to the injector, a fuel tank storing the LPG for supplying to the engine, a regulator apparatus receiving the LPG from the fuel tank, controlling pressure of the received LPG, and delivering a controlled LPG to the high pressure fuel pump, a fuel supply line sequentially connecting the fuel tank, the regulator apparatus, the high pressure fuel pump, and the injector so as to supply the LPG stored in the fuel tank to the engine, and a fuel return line returning an LPG that remains in the high pressure fuel pump after pumping thereof to the fuel tank.
摘要翻译： LPG直接喷射系统可以包括将液化石油气（LPG）接收到其燃烧室中的发动机，适于将LPG喷射到发动机的燃烧室中的喷射器，向喷射器供应高压LPG的高压燃料泵， 存储用于向发动机供给的液化石油气的燃料箱，从燃料箱接收LPG的调节装置，控制接收到的LPG的压力，以及将控制的LPG输送到高压燃料泵，将燃料依次连接的燃料供给管路 调节装置，高压燃料泵和喷射器，以将存储在燃料箱中的LPG供应到发动机;以及燃料返回管线，其将泵送之后留在高压燃料泵中的LPG返回到 燃油箱。
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公开(公告)号：US10174697B2
公开(公告)日：2019-01-08
申请号：US15610257
申请日：2017-05-31
发明人： Jin Oh Song , Do Wan Kim , Jong Suk Lim , Han Yong Park
摘要： A fuel supply device for a liquefied petroleum direct injection (LPDI) engine in which liquefied petroleum gas (LPG) is directly injected into a combustion chamber and a start control method of an LPDI engine having the fuel supply device, wherein the high pressure fuel pump receives and compresses fuel to a pressure higher than a pressure at which fuel has been supplied, wherein the high pressure fuel rail buffers and supplies fuel to a direct injector that injects fuel directly into a combustion chamber, wherein the return line is connected to the supply line through the high pressure fuel pump to form a low pressure line, allowing a surplus portion of fuel supplied to the high pressure fuel pump from the fuel tank to return to the fuel tank, and wherein a first valve is disposed on the return line to control the flow rate of returning fuel.
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公开(公告)号：US20220285921A1
公开(公告)日：2022-09-08
申请号：US17519189
申请日：2021-11-04
发明人： Kiseon Sim , Dongwon Jung , Won Gyu Kim , Jin Oh Song , Soo Hyung Woo
IPC分类号： H01T15/00
摘要： An ignition coil control system according to an exemplary embodiment of the present disclosure may include a first ignition coil, a second ignition coil, a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil, and an ignition controller that controls spark discharge of the spark plug by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil, and changing a sequence of charging and discharging of the first ignition coil and the second ignition coil based on a pulse signal transmitted from an engine control unit (ECU).
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公开(公告)号：US11560870B2
公开(公告)日：2023-01-24
申请号：US17486422
申请日：2021-09-27
发明人： Kiseon Sim , Dongwon Jung , Won Gyu Kim , Jin Oh Song , Soo Hyung Woo
摘要： An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU).
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公开(公告)号：US11846262B2
公开(公告)日：2023-12-19
申请号：US17359962
申请日：2021-06-28
发明人： Kiseon Sim , Dongwon Jung , Won Gyu Kim , Jin Oh Song , Soo Hyung Woo
摘要： An ignition coil control system includes: a first ignition coil; a second ignition coil; a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the electrode by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil based on a step pulse signal including different voltages transmitted from an engine control unit (ECU).
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公开(公告)号：US20220252033A1
公开(公告)日：2022-08-11
申请号：US17486422
申请日：2021-09-27
发明人： Kiseon Sim , Dongwon Jung , Won Gyu Kim , Jin Oh Song , Soo Hyung Woo
摘要： An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil; and an ignition controller that controls spark discharge of the pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU).
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公开(公告)号：US11378055B1
公开(公告)日：2022-07-05
申请号：US17476999
申请日：2021-09-16
发明人： Kiseon Sim , Dongwon Jung , Won Gyu Kim , Jin Oh Song , Soo Hyung Woo
摘要： An ignition coil control method may include receiving first pulse signal and second pulse signal following the first pulse signal by a delay time transmitted from an engine control unit; charging the first ignition coil when the first pulse signal is on; charging the second ignition coil when a predetermined time period elapses from a time at which the first pulse signal is on; discharging the first ignition coil when the first pulse signal is off; discharging the second ignition coil when a maintaining time of the first pulse signal from a time at which the second ignition coil is charged; when the second pulse signal is on, charging the first ignition coil for a dwell time and then discharging the first ignition coil; and charging the second ignition coil for the dwell time and then discharging the second ignition coil when a predetermined time period elapses from a time at which the second ignition coil is discharged.
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