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公开(公告)号：KR1020140106765A
公开(公告)日：2014-09-04
申请号：KR1020130017526
申请日：2013-02-19
Applicant: (주)모토닉
CPC classification number: Y02T10/32 , F02M21/0245 , F02M21/0239 , F02M21/0242 , F02M21/0275 , F02M37/0052 , F02M37/10
Abstract: The present invention relates to a high-pressure fuel pump for a direct injection type LPI (low-pressure injection) system which includes a body having an inlet, an outlet, and a collection port on the lateral surface; a bracket joined to the bottom of the body and including an inner suction means generating force for sucking fuel; and a flow-rate control valve joined to one side of the body and controlling supply and discharge pressure of the fuel. The inlet and the collecting port are connected to an entry-side check valve which is opened and closed by the flow-rate control valve. By using the high-pressure fuel pump for the direct injection type LPI system, an effect of generating high pressure by rapidly collecting LPG fuel including air bubbles generated by the vaporization of the LPG fuel due to heat, which is generated by the operation of the flow-rate control valve, in a cylinder and then sufficiently pressing the rest of the LPG fuel at a preset high pressure, is obtained.
Abstract translation: 本发明涉及一种用于直喷式LPI（低压喷射）系统的高压燃料泵，其包括在侧面具有入口，出口和收集口的主体; 连接到所述主体的底部并且包括产生用于吸入燃料的力的内部抽吸装置的支架; 以及与主体的一侧连接并控制燃料的供给和排出压力的流量控制阀。 入口和收集口连接到由流量控制阀打开和关闭的入口侧止回阀。 通过使用用于直接喷射型LPI系统的高压燃料泵，通过快速收集LPG燃料产生高压的效果，LPG燃料包括由于由于热而产生的LPG燃料的蒸发而产生的气泡 流量控制阀，然后在预定的高压下充分按压其余的LPG燃料。
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公开(公告)号：KR101383747B1
公开(公告)日：2014-04-17
申请号：KR1020120068984
申请日：2012-06-27
Applicant: (주)모토닉
CPC classification number: Y02T10/125 , Y02T10/32
Abstract: 본 발명은 직접분사 엘피아이 시스템에 관한 것으로, 봄베 내부에 내장되어 연료를 펌핑하여 엔진 쪽으로 공급하는 연료펌프, 상기 연료펌프에 의해 펌핑되어 공급되는 연료 중에서 일부를 고압으로 가압하고 나머지 연료를 상기 봄베로 회수하도록 연료회수라인에 전달하는 고압펌프, 상기 고압펌프에 연결되어 고압으로 가압된 연료가 충진되는 딜리버리 파이프, 상기 딜리버리 파이프에 연결되며 고압으로 충진된 액체 상태의 연료를 상기 연소실 내부로 직접분사하는 인젝터, 상기 엔진의 목표 RPM에 기초하여 상기 고압펌프로부터 가압된 연료를 연소실 내부에 직접분사하도록 상기 인젝터의 구동을 제어하는 전자제어유닛 및 상기 딜리버리 파이프 내부에 충진된 연료를 상기 연료공급라인의 고압펌프 전단으로 순환시키는 바이패스라인을 포함하는 구성을 마련한다.
상기와 같은 직접분사 엘피아이 시스템을 이용하는 것에 의해, 본 발명은 바이패스라인을 통해 딜리버리 파이프로 공급된 연료를 고압펌프로 순환시켜 엘피지 연료의 기화로 인한 엔진 부조 및 시동 꺼짐을 방지할 수 있다.-
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公开(公告)号：KR101603656B1
公开(公告)日：2016-03-16
申请号：KR1020140088938
申请日：2014-07-15
Applicant: (주)모토닉
Abstract: 직접분사식가솔린엔진용고압연료펌프에관한것으로, 측면에입구측및 토출측개공이형성되며상부에댐퍼부가장착되는댐퍼결합부가형성된바디, 상기바디의하부에결합되고내부에연료의흡입력을발생하는흡입수단이구비되는브래킷, 상기바디의댐퍼결합부에결합되며흡입된연료의맥동을감소시키는댐퍼부, 상기토출측개공에결합되는토출측체크밸브및 입구측체크밸브를개폐동작시켜상기토출측체크밸브를통해토출되는연료의공급유량및 토출압력을제어하는유량제어밸브를포함하는구성을마련하여, 유량제어밸브내부에마련된액추에이터(솔레노이드)의동작시발생하는소음및 진동을최소화할수 있다는효과가얻어진다.
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公开(公告)号：KR1020160008790A
公开(公告)日：2016-01-25
申请号：KR1020140088938
申请日：2014-07-15
Applicant: (주)모토닉
Abstract: 직접분사식가솔린엔진용고압연료펌프에관한것으로, 측면에입구측및 토출측개공이형성되며상부에댐퍼부가장착되는댐퍼결합부가형성된바디, 상기바디의하부에결합되고내부에연료의흡입력을발생하는흡입수단이구비되는브래킷, 상기바디의댐퍼결합부에결합되며흡입된연료의맥동을감소시키는댐퍼부, 상기토출측개공에결합되는토출측체크밸브및 입구측체크밸브를개폐동작시켜상기토출측체크밸브를통해토출되는연료의공급유량및 토출압력을제어하는유량제어밸브를포함하는구성을마련하여, 유량제어밸브내부에마련된액추에이터(솔레노이드)의동작시발생하는소음및 진동을최소화할수 있다는효과가얻어진다.
Abstract translation: 本发明涉及直喷式汽油机的高压燃料泵。 本发明包括：主体，其包括在一侧的入口和出口，并且包括在上部配备有阻尼器部分的阻尼器组合部件; 一个与身体底部结合的支架，包括一个产生吸入燃料的吸入单元; 阻尼器部分与本体的阻尼器组合部分结合，并减少吸入燃料的脉动; 以及通过打开和关闭与出口组合的入口止回阀和出口止回阀来控制通过出口止回阀排出的燃料的排出压力和供给通量的通量控制阀。 因此，放置在通量控制阀内部的致动器（螺线管）操作的噪声和振动被最小化。
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Patent Agency Ranking
公开(公告)号：KR1020140106764A
公开(公告)日：2014-09-04
申请号：KR1020130017525
申请日：2013-02-19
Applicant: (주)모토닉
CPC classification number: Y02T10/32 , F02M21/0245 , F02M21/0239 , F02M21/0242 , F02M21/0275 , F02M37/0052 , F02M37/10
Abstract: The present invention relates to a high-pressure fuel pump for a direct injection type LPI (low-pressure injection) system which includes a body having an outlet and a collection port on the lateral surface; a bracket joined to the bottom of the body and including an inner suction means generating force for sucking fuel; a damper unit including an inlet on one side, joined to the top of the body, and reducing the pulsation of the sucked fuel; and a flow-rate control valve joined to one side of the body and controlling a supply and discharge pressure of the fuel. By using the high-pressure fuel pump for the direct injection type LPI system, an effect of generating high pressure by rapidly collecting LPG fuel including air bubbles generated by the vaporization of the LPG fuel due to heat, which is generated by the operation of a fuel flow valve, in a cylinder and then sufficiently pressing the rest of the LPG fuel at a preset high pressure is obtained.
Abstract translation: 本发明涉及一种用于直喷式LPI（低压喷射）系统的高压燃料泵，其包括在侧面具有出口和收集口的主体; 连接到所述主体的底部并且包括产生用于吸入燃料的力的内部抽吸装置的支架; 阻尼器单元，其包括一侧的入口，接合到主体的顶部，并减少吸入的燃料的脉动; 以及与本体的一侧连接并控制燃料的供给和排出压力的流量控制阀。 通过使用用于直接喷射式LPI系统的高压燃料泵，通过快速收集LPG燃料产生高压的效果，LPG燃料包括由于由于热量而产生的LPG燃料的蒸发而产生的气泡 燃料流量阀在气缸中，然后以预设的高压充分按压其余的LPG燃料。
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公开(公告)号：KR1020140001432A
公开(公告)日：2014-01-07
申请号：KR1020120068984
申请日：2012-06-27
Applicant: (주)모토닉
CPC classification number: Y02T10/125 , Y02T10/32 , F02M21/0275 , F02M21/0245 , F02M37/0029 , F02M37/0041 , F02M37/0052
Abstract: The present invention relates to a direct injection LPI system including: a fuel pump which pumps and supplies fuel to an engine by being installed inside a cylinder; a high pressure pump which pressurizes a part of the fuel pumped and supplied by the fuel pump at high pressure and delivers remaining fuel to a fuel collecting line in order to collect the fuel in the cylinder; a delivery pipe which is connected to the high pressure pump and is filled with the fuel pressurized by the high pressure; an injector which is connected to the delivery pipe and directly injects the fuel of liquid state filled by the high pressure to the inside of a combustion chamber; an electronic control unit which controls the driving of the injector in order to directly inject the fuel pressurized by the high pressure pump to the inside of the combustion chamber based on the target RPM of the engine; and a bypass line which circulates the fuel filled in the delivery pipe to the front end of the high pressure pump of the fuel supply line. By using the direct injection LPI system like the forementioned, the present invention prevents an engine abnormality and a start-off which are caused by vaporization of LPG fuel by circulating fuel supplied to the delivery pipe with the high pressure pump through the bypass line. [Reference numerals] (18) Motor controller
Abstract translation: 本发明涉及一种直接喷射LPI系统，包括：燃料泵，其通过安装在气缸内而将燃料泵送到发动机; 高压泵，其对由燃料泵在高压下泵送并供应的燃料的一部分进行加压，并将剩余的燃料输送到燃料收集管线，以便收集气缸中的燃料; 输送管，其连接到高压泵并且填充有被高压加压的燃料; 喷射器，其连接到输送管，并将通过高压填充的液态燃料直接喷射到燃烧室的内部; 电子控制单元，其控制喷射器的驱动，以便基于发动机的目标RPM直接将由高压泵加压的燃料喷射到燃烧室的内部; 以及将填充在输送管中的燃料循环到燃料供给管路的高压泵的前端的旁通管路。 通过使用如前所述的直接喷射LPI系统，本发明通过使通过旁通管线的高压泵循环供给到输送管的燃料来防止由LPG燃料的汽化引起的发动机异常和起动。 （附图标记）（18）电机控制器
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公开(公告)号：KR1020160008791A
公开(公告)日：2016-01-25
申请号：KR1020140088940
申请日：2014-07-15
Applicant: (주)모토닉
Abstract: 고압연료펌프용유량제어밸브의제어장치및 제어방법에관한것으로, 유량제어밸브의동작사이클은자기장을발생해서솔레노이드에마련된플런저를코어측으로이동시켜상기유량제어밸브를폐쇄하도록코일에전류를공급해서유지하는풀-인시간, 폐쇄된상기유량제어밸브를폐쇄상태로유지하는홀드시간및 개방동작시상기코일에인가되는전류를감소시켜상기유량제어밸브를개방하는드랍시간을포함하고, 상기풀-인시간동안상기플런저의동작속도를낮춰서상기플런저와코어의충돌로인한소음과진동을감쇄하도록상기코일에인가되는전류를제어하는구성을마련하여, 유량제어밸브의코일에인가되는전류량을조절하여유량제어밸브의폐쇄동작시플런저와코어의충돌로인한소음및 진동을감쇄할수 있다는효과가얻어진다.
Abstract translation: 本发明涉及一种用于控制高压燃料泵的流量控制阀的装置和方法。 流量控制阀的操作循环包括：通过产生磁场将放置在螺线管中的柱塞移动到芯上的拉入时间供应并保持线圈的电流以关闭流量控制阀; 保持闭合流量控制阀的保持时间; 以及通过减少在打开操作期间施加到线圈的电流来打开流量控制阀的下降时间。 控制施加到线圈上的电流，使得通过在拉入时间期间降低柱塞的操作速度来减小芯体和柱塞之间的碰撞引起的振动和噪声，因此施加的电流量 控制流量控制阀的线圈，以便在流量控制阀的关闭操作期间通过芯和柱塞之间的碰撞来减少振动和噪音。
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公开(公告)号：KR101465632B1
公开(公告)日：2014-11-27
申请号：KR1020130017526
申请日：2013-02-19
Applicant: (주)모토닉
CPC classification number: Y02T10/32
Abstract: 직접분사식 엘피아이 시스템용 고압연료펌프에 관한 것으로, 측면에 흡입구, 토출구 및 회수구가 형성되는 바디, 상기 바디의 하부에 결합되고 내부에 연료의 흡입력을 발생하는 흡입수단이 구비되는 브래킷 및 상기 바디의 일측에 결합되고 연료의 공급 유량 및 토출 압력을 제어하는 유량제어밸브를 포함하고, 상기 흡입구와 회수구는 각각 상기 유량제어밸브에 의해 개폐 동작하는 입구측 체크밸브와 연결되는 구성을 마련한다.
상기와 같은 직접분사식 엘피아이 시스템용 고압연료펌프를 이용하는 것에 의해, 유량제어밸브의 동작으로 인한 열에 의해 엘피지 연료가 기화하면서 기포가 포함된 엘피지 연료를 신속하게 봄베로 회수함으로써, 나머지 엘피지 연료를 미리 설정된 고압으로 충분하게 가압하여 고압을 형성할 수 있다는 효과가 얻어진다.-
公开(公告)号：KR1020140001431A
公开(公告)日：2014-01-07
申请号：KR1020120068980
申请日：2012-06-27
Applicant: (주)모토닉
CPC classification number: F02M21/0245 , Y02T10/32
Abstract: The present invention relates to a direct injection LPI system including: a fuel pump which pumps and supplies fuel to an engine by being installed inside a cylinder; a high pressure pump which pressurizes a part of the fuel supplied by the pumping of the fuel pump at high pressure and delivers remaining fuel to a fuel collecting line in order to collect in the cylinder; a delivery pipe which is connected to the high pressure pump and is filled with the fuel of liquid state pressurized by the high pressure; an injector which is connected to the delivery pipe and directly sprays the fuel of liquid state filled by the high pressure to the inside of a combustion chamber; an electronic control unit which controls the driving of the injector in order to directly spray the fuel pressurized by the high pressure pump to the inside of the combustion chamber based on the target RPM of the engine; and a fuel pressure control unit which is arranged in a fuel supply line supplying the fuel from the fuel pump to the high pressure pump, pressurizes the fuel pumped from the fuel pump at a preset pressure based on the driving state of the engine, and delivers the fuel to the high pressure pump. By using the direct injection LPI system and the controlling method using the same, the present invention improves a cold and hot start ability by pressurizing fuel at a preset pressure in advance according to driving states of the engine and delivering the fuel to the high pressure pump by using the fuel pressure control unit. [Reference numerals] (18) Motor controller
Abstract translation: 本发明涉及一种直接喷射LPI系统，包括：燃料泵，其通过安装在气缸内而将燃料泵送到发动机; 高压泵，其通过在高压下泵送燃料泵而供应的燃料的一部分加压，并将剩余燃料输送到燃料收集管线以便收集在气缸中; 输送管，其连接到高压泵，并且填充有通过高压加压的液态燃料; 喷射器，其连接到输送管，并且将通过高压填充的液态燃料直接喷射到燃烧室的内部; 电子控制单元，其控制所述喷射器的驱动，以便基于所述发动机的目标RPM直接喷射由所述高压泵加压的燃料到所述燃烧室的内部; 以及燃料压力控制单元，其布置在从燃料泵向高压泵供应燃料的燃料供给管线中，基于发动机的驱动状态在预定压力下对从燃料泵泵送的燃料加压，并且输送 燃油到高压泵。 通过使用直接喷射LPI系统和使用其的控制方法，本发明通过根据发动机的驱动状态预先对预先设定的压力进行加压来提高冷热启动能力，并将燃料输送到高压泵 通过使用燃料压力控制单元。 （附图标记）（18）电机控制器
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