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    • 3. 发明公开
    • 연료 공급 장치
    • 燃油供应设备
    • KR1020140055973A
    • 2014-05-09
    • KR1020130112608
    • 2013-09-23
    • 아이상 고교 가부시키가이샤
    • 혼다요시히코
    • F02M37/18F02M37/00
    • B60K15/077B60K2015/03111F02M37/0094F02M37/025F02M37/106F02M37/20F02M2037/225F02M2037/228Y10T137/86067
    • Provided is a technique for suppressing the deterioration of efficiency of a fuel pump while curbing the occurrence of siphonage when the fuel pump is stopped. A fuel supply apparatus (10) comprises a fuel tank (12), a reserve cup (14), a fuel pump (20), a jet pump (60), a fuel supply path (50), an air introducing path, and an air hole bag valve (70). The jet pump (60) is driven with fuel discharged from the fuel pump (20), sucks fuel in the fuel tank, and discharges the fuel into the reserve cup. The fuel supply path (50) connects the fuel pump (20) with the jet pump (60), and supplies a part of fuel discharged from the fuel pump (20) to the jet pump (60). The air introducing path is in communication with the fuel supply path (50), and includes an air hole to introduce air from outside the fuel pump. The air hole bag valve (70) closes the air hole when the fuel pump (20) is driven, and opens the air hole when the fuel pump (20) is stopped.
    • 提供了一种抑制燃料泵的效率劣化同时抑制燃料泵停止时虹吸的发生的技术。 燃料供给装置(10)包括燃料箱(12),储备杯(14),燃料泵(20),喷射泵(60),燃料供给路径(50),空气引入路径 气孔袋阀(70)。 喷射泵(60)由从燃料泵(20)排出的燃料驱动,吸入燃料箱中的燃料,并将燃料排出到储备杯中。 燃料供给路径(50)将燃料泵(20)与喷射泵(60)连接,将从燃料泵(20)排出的燃料的一部分供给到喷射泵(60)。 空气引入路径与燃料供给路径(50)连通,并且包括用于从燃料泵外部引入空气的空气孔。 当燃料泵(20)被驱动时,气孔袋阀(70)关闭空气孔,并且当燃料泵(20)停止时打开气孔。
    • 7. 发明公开
    • 연료 분배관을 이용한 LPI연료펌프
    • LPI燃油泵使用燃油分管
    • KR1020110062357A
    • 2011-06-10
    • KR1020090119056
    • 2009-12-03
    • 현대자동차주식회사기아자동차주식회사(주)모토닉
    • 송주태최원규성연관강명권신용남이원길
    • F02M21/02F02M37/10F02M37/14
    • Y02T10/32F02M21/0236F02M21/0233F02M21/0242F02M21/0296F02M37/20
    • PURPOSE: An LPI fuel pump using a fuel distribution pipe is provided to minimize the flow-rate decrease of a fuel pump by immediately removing bubbles from the fuel pump by serially connecting the positive displacement fuel-chamber of the fuel pump using the fuel distribution pipe. CONSTITUTION: An LPI fuel pump using a fuel distribution pipe comprises a plurality of fuel chambers, a relief valve and a fuel distribution pipe(40). The fuel chamber can temporarily store fuel. The relief valve cancels abnormal high-pressure in the fuel pump(10). The fuel distribution pipe comprises an intake part(41) and a plurality of discharge parts(42). One end of the fuel distribution pipe is connected to a fuel tank to form the intake part so that liquid fuel flows into the fuel distribution pipe. The other end of the fuel distribution pipe is connected to the fuel chambers and the relief valve to form the discharge parts so that the liquid fuel is supplied to the inside of the fuel pump.
    • 目的:提供一种使用燃料分配管的LPI燃油泵,通过使用燃料分配管串联连接燃油泵的正排量燃料室,从燃料泵立即除去气泡,使燃油泵的流量减少最小化 。 构成:使用燃料分配管的LPI燃料泵包括多个燃料室,安全阀和燃料分配管(40)。 燃料室可以临时储存燃料。 安全阀取消燃料泵(10)中的异常高压。 燃料分配管包括进气部分(41)和多个排出部分(42)。 燃料分配管的一端连接到燃料箱以形成进气部,使得液体燃料流入燃料分配管。 燃料分配管的另一端连接到燃料室和安全阀以形成排出部分,使得液体燃料被供应到燃料泵的内部。
    • 8. 发明公开
    • 내연기관의 어큐뮬레이터 분사 시스템의 저압부를 위한 연료 냉각기
    • 内燃机蓄能器喷射系统低压段燃油冷却器
    • KR1020100039254A
    • 2010-04-15
    • KR1020090094617
    • 2009-10-06
    • 로베르트 보쉬 게엠베하
    • 뵉킹프리드리히
    • F02M31/20F02M55/02F02M37/10F02M37/22
    • F02M37/20F02M31/20F02M37/00Y02T10/126
    • PURPOSE: A fuel cooling device for a low pressure part of an accumulator injection system of an internal combustion engine is provided to improve the efficiency of an injection pump when the temperature of fuel inside a fuel tank is high and to be simply integrated with the accumulator injection system. CONSTITUTION: A fuel cooling device for a low pressure part of an accumulator injection system of an internal combustion engine comprises a low pressure part(1). In the low pressure part, a fuel tank(4) and a fuel pump(6) are connected to a high pressure pump(14) through a low pressure line along the flow. A fuel cooling device(12) is positioned between the fuel tank and the high pressure pump inside the low pressure line. The fuel pump transfers the fuel from the fuel tank to a high pressure pump(22). The fuel cooling device is positioned between the fuel pump and the high pressure pump.
    • 目的:提供一种用于内燃机蓄能器注入系统的低压部分的燃料冷却装置,用于当燃料箱内的燃料温度较高时提高注射泵的效率,并简单地与蓄能器集成 注射系统 构成:用于内燃机的蓄能器注入系统的低压部分的燃料冷却装置包括低压部分(1)。 在低压部分中,燃料箱(4)和燃料泵(6)沿着流动通过低压管线连接到高压泵(14)。 燃料冷却装置(12)位于燃料箱和低压管道内的高压泵之间。 燃料泵将燃料从燃料箱传送到高压泵(22)。 燃料冷却装置位于燃料泵和高压泵之间。
    • 10. 发明公开
    • 연료 펌프
    • 燃油泵
    • KR1020070094938A
    • 2007-09-27
    • KR1020077017151
    • 2005-10-24
    • 미쓰비시덴키 가부시키가이샤
    • 요시오카히로시
    • F02M37/10F02M37/20
    • F02M37/10F02D33/006F02M37/0023F02M37/20F04D5/002F04D9/006F05B2260/503
    • A fuel pump in which fuel injection conditions are not deteriorated by a discharge of vapor to the engine side and that achieves a large fuel suction height and a short fuel suction time. An air discharge opening and an air discharge valve mechanism are provided in a downstream channel including the end of the pump channel. The air discharge opening has a channel area s satisfying s >= 0.07 mm^2. The air discharge valve mechanism is opened in the start of a pump to discharge sucked air, and the mechanism is closed upon the start of fuel pressurization, preventing the fuel from being discharged to the outside of the pump channel. Further, a vapor discharge opening and a vapor discharge valve mechanism are provided in that part of the pump channel which is between the air discharge opening and an inlet section of the pump channel. The vapor discharge valve mechanism is closed in the start of the pump, preventing negative pressure at a fuel suction opening from being reduced, and the mechanism is opened in the start of fuel pressurization, discharging fuel containing vapor to the outside of the pump channel.
    • 一种燃料泵,其中通过向发动机侧排出蒸气而不会降低燃料喷射条件,并且实现了大的燃料吸入高度和短的燃料吸入时间。 在包括泵通道的端部的下游通道中设置有排气口和排气阀机构。 排气口的通道面积满足s> = 0.07mm ^ 2。 排气阀机构在泵的启动时打开以排出吸入的空气,并且在燃料加压开始时机构闭合,防止燃料排放到泵通道的外部。 此外,在空气排出口和泵通道的入口部之间的泵通道的那部分设置有蒸汽排出口和蒸汽排出阀机构。 蒸汽排出阀机构在泵的启动时闭合,防止燃料吸入口的负压减小,并且在燃料加压开始时打开机构,将含有蒸汽的燃料排放到泵通道的外部。