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公开(公告)号：KR1020140046199A
公开(公告)日：2014-04-18
申请号：KR1020120112366
申请日：2012-10-10
Applicant: (주)모토닉
IPC: B60K15/03 , B60K15/077
Abstract: The present invention relates to a fuel tank for gas fuel vehicles and a fuel charging method thereof. The fuel tank for gas fuel vehicles comprises: a cylinder which is a high pressure vessel made of a steel material to protect gas fuel stored therein from shock or vibration; a charging valve mounted outside the cylinder to charge gas fuel through a fuel inlet; and a multi-valve for drawing in and discharging the gas fuel charged inside the cylinder by pumping pressure of a fuel pump, wherein the multi-valve supplies the gas fuel charged through the charging valve to the fuel pump while gas fuel is charged. The fuel tank for gas fuel vehicles and the fuel charging method thereof according to the present invention can directly supply the gas fuel of low temperature charged in the cylinder to the fuel pump when gas fuel is charged in order to maintain the gas fuel charged in the cylinder and the fuel pump at the same temperature, thereby preventing a change in phase of the gas fuel.
Abstract translation: 本发明涉及燃气车辆用燃料箱及其燃料充填方法。 用于燃气燃料车辆的燃料箱包括：气缸，其是由钢材制成的高压容器，用于保护储存在其中的气体燃料免于震动或振动; 安装在气缸外部的充气阀，以通过燃料入口对气体燃料进行充气; 以及多个阀，用于通过泵送燃料泵的压力来吸入和排出填充在气缸内的气体燃料，其中，多气门在气体燃料充电时将通过充气阀加载的气体燃料供应到燃料泵。 本发明的燃气车辆用燃料箱及其燃料充填方法可以在将气体燃料充入时直接向气体燃料供给在汽缸内的低温气体燃料，以将燃料气体保持在燃料燃料 气缸和燃油泵处于同一温度，从而防止气体燃料的相位变化。
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公开(公告)号：KR101383751B1
公开(公告)日：2014-04-17
申请号：KR1020120145807
申请日：2012-12-13
Applicant: (주)모토닉
CPC classification number: F02D19/0613 , F02D19/0647 , F02D41/0025 , Y02T10/32 , Y02T10/36
Abstract: The present invention relates to a control method of a bi-fuel feed system. The control method includes the steps of inspecting a set state of a mode switch when an engine starts; proceeding to a gasoline driving mode or a liquid petroleum gas (LPG) driving mode based on the inspected result; directly injecting a gasoline fuel into a combustion chamber of the engine by driving the gasoline driving unit in the gasoline driving mode to drive the engine; and injecting the LPG fuel into the air sucked via an intake manifold by driving an LPG supply unit in the LPG driving mode to drive the engine using the mixed gas. Therefore, in case where the fuel injection types are different from each other, such as the direct injection type gasoline fuel supply system and the LPG fuel supply system, it is possible to exactly supply the gas fuel into the engine of the vehicle by calculating injection point and injection time of the LPG fuel based on the injector driving signal of the gasoline fuel supply system. [Reference numerals] (11) Gasoline tank; (21) Fuel pump; (31) Electronic control unit; (32) Gas fuel electronic control unit; (33) Fuel control driver; (AA) Fuel rail pressure signal; (BB) Cut solenoid valve control signal; (CC) LPG pressure & temperature detection signal; (DD) Second injector control signal; (EE,GG) Injector driving signal; (FF) High-pressure valve contol signal; (HH) Ignition plug driving
Abstract translation: 本发明涉及双燃料供给系统的控制方法。 控制方法包括以下步骤：当发动机起动时检查模式开关的设定状态; 根据检查结果进行汽油驾驶模式或液化石油气（LPG）驾驶模式; 通过以汽油驾驶模式驱动汽油驱动单元直接将汽油燃料喷射到发动机的燃烧室中以驱动发动机; 并且通过在LPG驱动模式下驱动LPG供应单元将LPG燃料注入到经由进气歧管吸入的空气中，以使用混合气体来驱动发动机。 因此，在燃料喷射类型彼此不同的情况下，例如直接喷射型汽油燃料供给系统和LPG燃料供给系统，可以通过计算喷射将气体燃料精确地供给到车辆的发动机中 基于汽油燃料供给系统的喷射器驱动信号，LPG燃料的点和喷射时间。 （附图标记）（11）汽油罐; （21）燃油泵; （31）电子控制单元; （32）燃气电控单元; （33）燃油控制司机; （AA）燃油轨压力信号; （BB）切断电磁阀控制信号; （CC）LPG压力和温度检测信号; （DD）第二喷油器控制信号; （EE，GG）喷油器驱动信号; （FF）高压阀门信号; （HH）点火塞驱动
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Patent Agency Ranking
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：KR101199326B1
公开(公告)日：2012-11-09
申请号：KR1020110023181
申请日：2011-03-16
Applicant: (주)모토닉
IPC: B60K15/03 , B60K15/067
Abstract: 본 발명은 가스연료차량용 연료탱크 및 그의 연료충전방법에 관한 것으로, 충격 또는 진동으로부터 내부에 저장된 가스 연료를 보호하도록 강제의 고압용기로 형성되는 봄베 및 상기 봄베 내부에 미리 설정된 압력을 형성하도록 주입되는 압력 형성 가스를 포함하고, 상기 압력 형성가스는 가스 연료의 최초 주입 전에 주입되는 구성을 마련한다.
상기와 같은 가스연료차량용 연료탱크 및 그의 연료충전방법을 이용하는 것에 의해, 본 발명은 봄베 내부에 압력 형성 가스를 주입하여 일정한 압력을 형성함에 따라, 겨울철 저온상태에서 LPG 연료의 압력이 떨어지더라도 압력 형성 가스에 의해 형성된 압력에 의해 액체 상태의 LPG 연료를 원활하게 엔진으로 공급한다.-
公开(公告)号：KR1020120103833A
公开(公告)日：2012-09-20
申请号：KR1020110021709
申请日：2011-03-11
Applicant: (주)모토닉
CPC classification number: Y02T10/32 , F02M21/0245 , F02D19/0607 , F02D19/0628 , F02M21/0275 , F02M37/0058
Abstract: PURPOSE: A direct LPI system and a control method thereof are provided to prevent fuel from becoming vaporized in a fuel supply process by constantly maintaining pre-set pressure. CONSTITUTION: A direct LPI system(10) comprises a fuel pump(12), a regulator(16), a high pressure pump(14), a delivery pipe(15), and an injector(I). The fuel pump is embedded in a bomb(11), and supplies fuel to an engine(E). The regulator maintains the fuel pumped by the fuel pump at pre-set pressure. The high pressure pump pressurizes the fuel at high pressure. The delivery pipe is connected to the high pressure pump, and filled with high pressure fuel. The injector is connected to the delivery pipe, and directly injects high-pressure fuel in a liquid state to a combustion chamber. [Reference numerals] (18) Motor controller
Abstract translation: 目的：提供直接LPI系统及其控制方法，以通过不断维持预设压力来防止燃料在燃料供应过程中蒸发。 构成：直接LPI系统（10）包括燃料泵（12），调节器（16），高压泵（14），输送管（15）和喷射器（I）。 燃料泵嵌入炸弹（11）中，并将燃料供应给发动机（E）。 调节器将燃油泵泵送的燃料保持在预设的压力。 高压泵在高压下对燃料加压。 输送管连接到高压泵，并充满高压燃料。 注射器连接到输送管，并且将液态的高压燃料直接喷射到燃烧室。 （附图标记）（18）电机控制器
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公开(公告)号：KR1020120090212A
公开(公告)日：2012-08-17
申请号：KR1020110010513
申请日：2011-02-07
Applicant: (주)모토닉
CPC classification number: Y02T10/32 , Y02T10/36 , F02D19/0602 , F02D19/0647 , F02D19/0681 , F02D41/0025 , F02M21/0212
Abstract: PURPOSE: A fuel supply control apparatus for vehicles with both gasoline and LPG and a control method thereof are provided to properly maintain a level of liquid fuels in a bomb by directly collecting the fuels from a low pressure part to the bomb. CONSTITUTION: A fuel supply control apparatus for vehicles with both gasoline and LPG comprises a LPG supply unit(20). The LPG supply unit comprises a LPG supply line(LS), a LPG recovery line(LR), a pressure regulator(25), a bypass line(B), and a first shutoff valve(27). The LPG supply line supplies LPG fuels in a bomb to a high pressure pump(30). The LPG recovery line recovers the some LPG supplied to the high pressure pump to the bomb. The pressure regulator reduces the pressure of the LPG fuels recovered to the bomb. The bypass line bypasses the fuels having vapor to the bomb. The first shutoff valve is opened and closed to bypass the fuels having vapor to the bomb when restarting an engine.
Abstract translation: 目的：提供具有汽油和液化石油气的车辆的燃料供应控制装置及其控制方法，以通过将燃料从低压部分直接收集到炸弹来适当地保持在炸弹中的液体燃料的水平。 构成：用于具有汽油和LPG的车辆的燃料供应控制装置包括LPG供应单元（20）。 LPG供应单元包括LPG供应管线（LS），LPG回收管线（LR），压力调节器（25），旁通管线（B）和第一截止阀（27）。 液化石油气供应线将一个炸弹中的LPG燃料提供给高压泵（30）。 液化石油气回收线回收了向高压泵供应的一些液化石油气。 压力调节器降低了回收到炸弹中的LPG燃料的压力。 旁路管路绕过具有蒸气的燃料到炸弹。 当重新启动发动机时，第一个截止阀被打开和关闭以绕过具有蒸气的燃料。
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公开(公告)号：KR1020110048844A
公开(公告)日：2011-05-12
申请号：KR1020090105583
申请日：2009-11-03
Applicant: (주)모토닉
CPC classification number: Y02T10/32 , F02M21/0242 , F02M21/0236 , F02M21/0284 , F02M21/0296 , F02M2037/087
Abstract: PURPOSE: An exterior fuel pump is provided to prevent the vaporization of liquid fuel caused by heat generated from a motor unit by employing a pipe-type fuel distribution unit and excluding a pump chamber. CONSTITUTION: An exterior fuel pump comprises a motor unit(20), a pump unit, and a fuel distribution unit. The motor unit rotates a shaft(23), which is formed with an eccentric driving part(24), for pumping the fuel supplied from a fuel tank. The pump unit comprises a plurality of chambers and pumps fuel using the rotation of an eccentric driving part(34) in each chamber. The fuel distribution unit distributes and supplies the fuel delivered from the fuel tank to each chamber. The fuel distribution unit comprises a body(41), a supply port(42), and a circulation flow path(43) and is connected to a flow path(14) equipped with a relief valve(13).
Abstract translation: 目的：提供一种外部燃油泵，用于通过使用管式燃料分配单元并排除泵室来防止由电动机单元产生的热量引起的液体燃料蒸发。 构成：外部燃料泵包括马达单元（20），泵单元和燃料分配单元。 马达单元旋转形成有偏心驱动部分（24）的轴（23），用于泵送从燃料箱供应的燃料。 泵单元包括多个室并且使用每个室中的偏心驱动部分（34）的旋转来泵送燃料。 燃料分配单元将从燃料箱传送的燃料分配并供应到每个室。 燃料分配单元包括主体（41），供应端口（42）和循环流路（43），并且连接到配备有安全阀（13）的流路（14）。
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