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1. 发明专利

JP2010236435A Fuel supply system 有权
标题翻译：燃油供应系统
公开(公告)号：JP2010236435A
公开(公告)日：2010-10-21
申请号：JP2009085984
申请日：2009-03-31
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI
IPC分类号： F02M37/00 , B01D35/02 , F02M37/10
摘要： PROBLEM TO BE SOLVED: To provide a fuel supply system reducing consumption current, improving fuel consumption of a vehicle, shortening fuel delivery time, reducing production costs of a supply tank and a check valve, and improving performance such as a variation in valve opening pressure and seal failure.
SOLUTION: This fuel supply system includes: a fuel pump installed in an upper space inside of a fuel tank; a plurality of fuel suction pipes diverged and connected to the suction opening of the fuel pump and extending to the different positions of a bottom surface inside of the fuel tank; the check valve with a spring, arranged at the end of each fuel suction pipe; and a suction filter arranged in the suction opening of the check valve. The spring is set to have such a load that the check valve is not opened under vacuum with a fuel head in the fuel suction pipe subtracted from suction vacuum of the fuel pump applied to the downstream side of the check valve and is opened when the fuel head in the fuel tank is applied to the upstream side of the check valve.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种降低消耗电流的燃料供应系统，改善车辆的燃料消耗，缩短燃料输送时间，降低供应罐和止回阀的生产成本，以及改进诸如变化的性能阀门开启压力和密封故障。该燃料供给系统包括：安装在燃料箱内的上部空间的燃料泵; 多个燃料吸入管分散并连接到燃料泵的吸入口并且延伸到燃料箱内的底面的不同位置; 具有弹簧的止回阀，布置在每个燃料吸入管的端部; 以及布置在止回阀的吸入口中的吸滤器。弹簧被设定为具有这样的负载，使得止回阀在真空下不打开，燃料吸入管中的燃料头从施加到止回阀的下游侧的燃料泵的抽吸真空中减去，并且当燃料燃料箱的头部被施加到止回阀的上游侧。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010144609A Fuel pump 审中-公开
标题翻译：燃油泵
公开(公告)号：JP2010144609A
公开(公告)日：2010-07-01
申请号：JP2008322347
申请日：2008-12-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI
IPC分类号： F04D5/00 , F04D29/42
摘要： PROBLEM TO BE SOLVED: To provide a fuel pump preventing an impeller from contacting foreign matter accumulated near the outer periphery of the impeller and preventing degradation of pumping efficiency.
SOLUTION: In the fuel pump including the impeller 20 having a substantially disc-like shape rotated by a motor part 70, and a casing 18 for rotatably housing the impeller 20, foreign matter escape passages 100, 101 are formed on an inner face of the casing opposing the impeller 20 at a position opposing a region sandwiched by the outer periphery of the impeller 20, and a first blade groove group 20b and a second blade groove group 20c, and on the circumference excluding a portion from a fuel discharge port 41 to a fuel suction port 40 viewed from the rotating direction of the impeller 20, for discharging foreign matter mixed in fuel sucked from the fuel suction port 40 into the casing 18, to the fuel discharge port 41.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种燃料泵，其防止叶轮接触积聚在叶轮的外周附近的异物并防止泵送效率的劣化。解决方案：在包括由马达部件70旋转的大致圆盘形状的叶轮20的燃料泵和用于可旋转地容纳叶轮20的壳体18中，异物排出通道100,101形成在内部在与由叶轮20的外周夹着的区域相对的位置处的与壳体相对的壳体的表面，以及第一叶片槽组20b和第二叶片槽组20c，以及除了来自燃料排出口的部分端口41连接到从叶轮20的旋转方向观察的燃料吸入口40，用于将从燃料吸入口40吸入的燃料中混入的异物排放到壳体18内，到达燃料排放口41。 C）2010，JPO＆INPIT

3. 发明专利

JP2008255845A Fuel pump module 有权
标题翻译：燃油泵模块
公开(公告)号：JP2008255845A
公开(公告)日：2008-10-23
申请号：JP2007097290
申请日：2007-04-03
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI
IPC分类号： F02M37/10 , F02M37/00 , F02M37/20
CPC分类号： F02M37/20 , F02M37/0052
摘要： PROBLEM TO BE SOLVED: To improve the sealing performance of a suction prevention valve member as a fuel pump module.
SOLUTION: This fuel pomp module 201 is composed of a fuel pump 10 provided with an air discharge valve mechanism 111 preventing discharge of fuel from an air discharge port provided in a vicinity of a terminal end of a pump channel for pressurizing fuel and the suction air prevention valve mechanism 130 preventing air from entering the air discharge port when the air discharge valve mechanism opens, pipe connected to the fuel pump and communicating with a high pressure filter 103, and return pipe 106 feeding and supplying surplus fuel from a pressure regulator 105, and is stored in a fuel tank 99 of a vehicle. The module is provided with a pump holder 108 having a bottomed shape, storing and retaining the fuel pump with surrounding the same, and forming a fuel storage chamber on a fuel pump outer circumference. Fuel at least submerging the suction air prevention valve mechanism of an air discharge valve mechanism is stored in a fuel reservoir chamber.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提高作为燃料泵模块的防止吸入阀构件的密封性能。解决方案：该燃料喷射模块201由具有排气阀机构111的燃料泵10构成，防止从设置在用于加压燃料的泵通道的末端附近的排气口排出燃料，以及吸气防止阀机构130，当排气阀机构打开时防止空气进入排气口，与燃料泵连接的管道与高压过滤器103连通，以及从压力供给和供给多余燃料的回流管106 调节器105，并且被存储在车辆的燃料箱99中。模块设置有具有底部形状的泵保持器108，用于储存和保持燃料泵的周围，并在燃料泵外周上形成燃料储存室。燃料至少将空气排放阀机构的防吸气阀机构浸没在燃料储存室中。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008215305A Fuel supply device 有权
标题翻译：燃油供应装置
公开(公告)号：JP2008215305A
公开(公告)日：2008-09-18
申请号：JP2007057516
申请日：2007-03-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KANAMARU SHIGEKI , YOSHIOKA HIROSHI
IPC分类号： F02M37/10 , F02M37/22
CPC分类号： F02M37/103 , B01D29/56 , B01D35/0273 , B01D35/0276 , F02M37/22 , F02M2037/225 , F02M2037/228 , Y10T137/85978
摘要： PROBLEM TO BE SOLVED: To obtain a fuel supply device having a welding part and capable of preventing fuel leakage not only from the welding part but from a filter case storing a filtration element. SOLUTION: The fuel supply device is provided with a flange fitted to an upper opening of a fuel tank, a fuel pump for discharging fuel from the fuel tank, and a high-pressure filter for filtering fuel discharged from the fuel tank. The filter case internally provided with the high-pressure filter includes two upper and lower layers comprising an upper case and a lower case. The upper case is formed integrally with the flange, and the fuel pump is fitted below the lower case and arranged approximately coaxially with respect to the high-pressure filter. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有焊接部分的燃料供给装置，并且能够防止来自焊接部分而且从储存过滤元件的过滤器壳体的燃料泄漏。解决方案：燃料供应装置设置有安装在燃料箱的上部开口的凸缘，用于从燃料箱排出燃料的燃料泵和用于过滤从燃料箱排出的燃料的高压过滤器。内部设置有高压过滤器的过滤器壳体包括包括上壳体和下壳体的两个上层和下层。上壳体与凸缘一体形成，并且燃料泵安装在下壳体的下方并且相对于高压过滤器大致同轴地布置。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2010169033A Fuel pump 有权
标题翻译：燃油泵
公开(公告)号：JP2010169033A
公开(公告)日：2010-08-05
申请号：JP2009013341
申请日：2009-01-23
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI
IPC分类号： F04D5/00 , F02M37/10
摘要： PROBLEM TO BE SOLVED: To provide a fuel pump effectively preventing generation of a backflow area in a pump flow passage, increasing the flow rate and flow speed of fuel by promoting formation of a swirl flow, and improving pump efficiency.
SOLUTION: This fuel pump includes: a disk-shaped rotating member having a seal portion on an outer peripheral edge and vanes 32 on its inner periphery; and flow passage members 40, 50 rotatably storing the rotating member, and having a pump groove 42 circular-arcuately formed along the vane and forming a pump flow passage 11 formed with a fuel inlet 51 and a fuel outlet 41. By rotating the rotating member, fuel sucked from the fuel inlet 51 is discharged from the fuel outlet 41 through the pump flow passage 11. A C-shaped core ring 60 having a cross-sectional center made almost coincident with the center of the swirl flow generated in the pump flow passage 11 is provided inside of the pump flow passage 11 between the fuel inlet 51 and the fuel outlet 41.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供有效地防止在泵流路中产生回流区域的燃料泵，通过促进旋流的形成来提高燃料的流量和流速，并提高泵效率。解决方案：该燃料泵包括：盘形旋转构件，其在外周边缘上具有密封部分，在其内周上具有叶片32; 以及可旋转地容纳旋转构件的流路构件40,50，并且具有沿着叶片圆弧形地形成的泵槽42，并形成形成有燃料入口51和燃料出口41的泵流路11.通过旋转旋转构件从燃料入口51吸入的燃料通过泵流路11从燃料出口41排出。具有与泵流中产生的涡流的中心几何一致的截面中心的C形芯环60 通道11设置在燃料入口51和燃料出口41之间的泵流道11的内部。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2004270573A Device for detecting evaporating fuel gas leak and vent valve device applied to same 有权
公开(公告)号：JP2004270573A
公开(公告)日：2004-09-30
申请号：JP2003063112
申请日：2003-03-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MITANI TATEKI , TSUTSUI SEIJI , YOSHIOKA HIROSHI , KANAMARU SHIGEKI
IPC分类号： F02M25/08 , F02M37/00
CPC分类号： F02M25/0818 , Y10T137/86678 , Y10T137/87217
摘要： PROBLEM TO BE SOLVED: To provide a device for detecting an evaporating fuel gas leak capable of performing the leak detection of a evaporation purge system including a fuel tank and a canister during the idle operation of an internal combustion engine. SOLUTION: This device is provided with a jet pump 8 pressurizing the evaporation purge system by introducing open air to the evaporation purge system including the fuel tank 1 by a gasoline flow of a fuel pump 2, an inner pressure sensor 11 measuring the inner pressure of the evaporation purge system, a reference orifice 21 capable of being controlled to open and close and leaking through a reference leak hole, and a memory means storing a pressure variation at the time of opening the reference orifice 21 beforehand and pressurizing for a predetermined time by the jet pump 8 as an initial curve. The existence of leak is determined by comparing a time series of an initial curve and a time series of a pressure curve provided by pressurizing by the jet pump 8 for the predetermined time under a condition of fully closing the evaporation purge system during idle operation. COPYRIGHT: (C)2004,JPO&NCIPI

7. 发明专利

JP2004124897A Fuel pump module and residual fuel quantity detector for vehicle 审中-公开
公开(公告)号：JP2004124897A
公开(公告)日：2004-04-22
申请号：JP2002293315
申请日：2002-10-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MITANI TATEKI , YOSHIOKA HIROSHI , HAYASHI MICHIHIRO
IPC分类号： F02M37/00 , F02M37/10 , F02M37/22
CPC分类号： F02M37/106 , F02M37/22
摘要： PROBLEM TO BE SOLVED: To provide a fuel pump module having a residual fuel quantity detector with small structure without using a float.
SOLUTION: In this fuel pump module, a residual fuel quantity detector 50 for receiving the fuel pressure head Pg and the atmospheric pressure Po with a first diaphragm 72g and for receiving the atmospheric pressure Po and the tank-inside pressure Pi with a second diaphragm 72i and for detecting the residual fuel quantity inside a fuel tank 10 on the basis of these Po, Pg and pi is provided near the fuel tank 10 of the fuel pump module 20, which is liquid-tightly fitted to an opening 10a of the fuel tank 10 of a vehicle. The internal pressure of the fuel tank 10 is detected at the same time on the basis of Po and Pi.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2005299394A Evaporating fuel gas leak detection device 审中-公开
标题翻译：蒸发燃料气体泄漏检测装置
公开(公告)号：JP2005299394A
公开(公告)日：2005-10-27
申请号：JP2004111952
申请日：2004-04-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI , MITANI TATEKI
IPC分类号： G01M99/00 , F02M25/08
CPC分类号： F02M25/0809
摘要： PROBLEM TO BE SOLVED: To improve determination accuracy of a leak detection system for an evaporating purge system including a fuel tank and a canister.
SOLUTION: This device is provided with an inner pressure measuring means 15, a fuel capacity detection device 18 and a jet pump 8 existing in the evaporating purge system including the fuel tank 1 and the canister 15 and introducing atmospheric air into the fuel tank 1 by using return flow of surplus fuel of fuel pumped to an internal combustion engine. Existence of leak is determined when a retention pressure measurement value under condition of closing the evaporating purge system after sending air from a pressurizing means for a predetermined period of time is below a pressure drop calculation value calculated from a pressurized measurement value, air capacity and a leak hole diameter.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提高包括燃料箱和罐的蒸发净化系统的泄漏检测系统的测定精度。解决方案：该装置设置有内部压力测量装置15，燃料容量检测装置18和喷射泵8，其存在于包括燃料箱1和罐15的蒸发清洗系统中，并将大气引入燃料通过使用泵送到内燃机的燃料的剩余燃料的返回流来进行罐1的流动。当从加压装置送出预定时间后，关闭蒸发吹扫系统的条件下的保压压力测定值，低于由加压测量值，空气容量和漏孔直径。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2008215306A Fuel supply device 有权
标题翻译：燃油供应装置
公开(公告)号：JP2008215306A
公开(公告)日：2008-09-18
申请号：JP2007057517
申请日：2007-03-07
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KANAMARU SHIGEKI , YOSHIOKA HIROSHI
IPC分类号： F02M37/00 , F02M37/04 , F02M37/10
CPC分类号： F02M37/106 , B01D35/027 , B01D35/26 , B01D2201/50 , F02M2037/225 , F02M2037/228
摘要： PROBLEM TO BE SOLVED: To obtain a fuel supply device capable of suppressing noise during discharge of surplus fuel from a pressure regulator and vibration propagation when a fuel pump is driven.
SOLUTION: The fuel supply device is provided with cushion rubber interposed between a pump holder and the fuel pump in the radial direction and axial direction of the fuel pump to hold the fuel pump in the pump holder. Over the axial perimeter of the cushion rubber, first ribs abutting on the outer peripheral face of the fuel pump and second ribs abutting on the inner peripheral face of the pump holder are provided on the inner peripheral face and outer peripheral face of the cushion rubber at approximately even intervals, respectively.
COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2007046562A Fuel feed pump 有权
标题翻译：燃油泵
公开(公告)号：JP2007046562A
公开(公告)日：2007-02-22
申请号：JP2005232967
申请日：2005-08-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YOSHIOKA HIROSHI
IPC分类号： F02M37/08 , F02M37/20
CPC分类号： F02M37/10 , F02D33/006 , F02M37/0023 , F02M37/20 , F04D5/002 , F04D9/006 , F05B2260/503
摘要： PROBLEM TO BE SOLVED: To provide a fuel feed pump having large fuel suction height and short fuel suction time by discharging vapor onto an engine side without worsening a fuel injection condition.
SOLUTION: This fuel feed pump is provided with an air exhaust valve mechanism provided with an air exhaust port having diameter d being d≥0.3 mm in the vicinity of a terminal of a pump flow passage, opening an air exhaust valve when starting operation of the pump to exhaust sucked air, and closing the air exhaust valve immediately after starting pressurization of fuel to prevent fuel from being discharged to the outside of the pump flow passage and a vapor exhaust valve mechanism provided with a vapor exhaust port on an anti-rotation side of a rotary body more than the air exhaust port in the pump flow passage, closing a vapor exhaust valve when starting operation of the pump to prevent negative pressure in a fuel inlet port from being reduced, and opening the vapor exhaust valve when starting pressurization of fuel to discharge fuel containing vapor to the outside of the pump flow passage.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有大的燃料吸入高度和短的燃料吸入时间的燃料供给泵，通过将蒸汽排放到发动机侧而不使燃料喷射状态恶化。
解决方案：该燃料供给泵设置有排气阀机构，该排气阀机构在泵流路的端子附近设置直径d为d≥0.3mm的排气口，开始时排出排气阀操作泵排出吸入的空气，并且在开始燃料加压之后立即关闭排气阀，以防止燃料排放到泵流路的外部，以及在防反应器上设置有蒸汽排气口的蒸汽排气阀机构旋转体的旋转侧比泵流路中的排气口多，在启动泵的运转时关闭蒸汽排气阀，以防止燃料入口中的负压减小，并且当蒸汽排出阀打开时开始对燃料进行加压以将含有蒸汽的燃料排放到泵流动通道的外部。版权所有（C）2007，JPO＆INPIT

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