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    High-pressure fuel pump
    1.
    发明申请
    High-pressure fuel pump 审中-公开
    高压燃油泵

    公开(公告)号：US20070110603A1

    公开(公告)日：2007-05-17

    申请号：US11599468

    申请日：2006-11-15

    申请人： Satoshi Usui ,  Hiroyuki Yamada ,  Kenichiro Tokuo ,  Toru Onose ,  Masami Abe

    发明人： Satoshi Usui ,  Hiroyuki Yamada ,  Kenichiro Tokuo ,  Toru Onose ,  Masami Abe

    IPC分类号： F04B7/00

    CPC分类号： F04B49/03 ,  F02M59/025 ,  F02M59/102 ,  F02M59/366 ,  F02M59/367 ,  F02M59/462 ,  F02M63/005 ,  F04B7/02 ,  F04B17/05 ,  F04B19/22 ,  F04B49/035 ,  F04B49/08 ,  F04B53/10 ,  F04B53/1002 ,  F04B53/1017 ,  F04B53/1087 ,  F04B53/14 ,  F04B53/16

    摘要： A high-pressure fuel pump comprises a pressurizing chamber for pressurizing fuel, an outlet valve for discharging the fuel pressurized in the pressurizing chamber to an outlet passage, a relief passage for connecting the outlet passage located downstream of the outlet valve and the pressurizing chamber with each other while bypassing the outlet valve. A relief valve device is provided in the relief passage and adapted to open when an internal pressure of the outlet passage becomes higher than that of the pressurizing chamber, thereby providing communication between the outlet passage and the pressurizing chamber. The relief valve includes a relief spring mechanism for pressing a relief valve to a relief valve seat. At least the relief spring mechanism among members of the relief valve device is provided outside the pressurizing chamber in the pump body.

    摘要翻译： 高压燃料泵包括用于对燃料加压的加压室，用于将在加压室中加压的燃料排出到出口通道的出口阀，用于将位于出口阀下游的出口通道与加压室连接的排放通道， 彼此绕过出口阀。 安全阀装置设置在排泄通道中，适于在出口通道的内部压力高于加压室的压力时打开，从而在出口通道和加压室之间提供连通。 安全阀包括用于将安全阀按压到安全阀座的释放弹簧机构。 至少安全阀装置的构件之间的释放弹簧机构设置在泵体内的加压室的外部。

    High-Pressure Fuel Pump
    2.
    发明申请
    High-Pressure Fuel Pump 审中-公开
    高压燃油泵

    公开(公告)号：US20120199103A1

    公开(公告)日：2012-08-09

    申请号：US13500384

    申请日：2010-08-17

    申请人： Minoru Hashida ,  Hiroyuki Yamada ,  Masayuki Suganami ,  Sunao Takahashi ,  Toru Onose ,  Hideaki Yamauchi ,  Kazuichi Ishige

    发明人： Minoru Hashida ,  Hiroyuki Yamada ,  Masayuki Suganami ,  Sunao Takahashi ,  Toru Onose ,  Hideaki Yamauchi ,  Kazuichi Ishige

    IPC分类号： F02M59/10 ,  F02M59/44

    CPC分类号： F02M59/102 ,  F02M59/025 ,  F02M59/44 ,  F02M59/442 ,  F04B1/0408 ,  F04B1/0426

    摘要： In a conventional high-pressure fuel pump, the interference fit part between a plunger and a retainer comes loose with time due to environmental factors and this reduces the clearance between the retainer and a tappet more than necessity, resulting in increase in the contact face pressure between the plunger and a cylinder when a side force acts on the plunger, which causes seizure between the plunger and the cylinder. In this invention, a protrusion protruding toward the tappet is provided around the through-hole for press-fitting the plunger, the through-hole provided in the center portion of the retainer. Since the clearance between the retainer and the tappet can sufficiently be kept even if the joint between the retainer and the plunger comes loose, the seizure between the plunger and the cylinder and the breakage of the plunger are less likely to occur even if the side force acts on the retainer.

    摘要翻译： 在传统的高压燃料泵中，由于环境因素，柱塞和保持器之间的过盈配合部分随时间而松动，并且这比必要性减小了保持器和挺杆之间的间隙，导致接触面压力增加 当侧向力作用在柱塞上时，在柱塞和气缸之间，这引起柱塞和气缸之间的卡塞。 在本发明中，在贯通孔周围设置有朝向挺杆突出的突出部，用于压入柱塞，设置在保持器的中心部分的通孔。 由于保持器和柱塞之间的间隙即使保持器和柱塞之间的接头松动也能够保持保持器和挺杆之间的间隙，所以即使侧向力也不会发生柱塞与气缸之间的咬合以及柱塞的破损 作用在保持架上。

    High pressure fuel pump for internal combustion engine
    3.
    发明授权
    High pressure fuel pump for internal combustion engine 失效
    用于内燃机的高压燃油泵

    公开(公告)号：US07665976B2

    公开(公告)日：2010-02-23

    申请号：US11409062

    申请日：2006-04-24

    申请人： Satoshi Usui ,  Hiroyuki Yamada ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Masayoshi Kotaki ,  Hiroshi Odakura

    发明人： Satoshi Usui ,  Hiroyuki Yamada ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Masayoshi Kotaki ,  Hiroshi Odakura

    IPC分类号： F04B19/00 ,  F16J1/10 ,  F01B9/00

    CPC分类号： F02M59/102 ,  F02M59/442 ,  F02M2200/16 ,  F04B53/04

    摘要： A high pressure fuel pump for an internal combustion engine having a cylinder, a plunger slidably fitted in the cylinder and a seal mechanism for blocking fuel leakage from an end of a sliding portion between the cylinder and the plunger and also for preventing an lubricant for a driving mechanism of the plunger from entering into the cylinder from the end of the sliding portion of the cylinder and the plunger. A holder surrounding the end of the sliding portion of the cylinder and the plunger is provided. The seal mechanism comprises two mutually independent seal devices mounted with a specific spacing in a longitudinal direction from the end of the sliding portion of the cylinder and the plunger along a circumference of the plunger. The two seal devices are held on the circumference of the plunger by the holder surrounding the end of the sliding portion of the cylinder and the plunger while keeping the specific spacing.

    摘要翻译： 一种用于内燃机的高压燃料泵，其具有气缸，可滑动地装配在气缸中的柱塞和用于阻挡燃料从气缸和柱塞之间的滑动部分的端部泄漏的密封机构，并且还用于防止润滑剂 柱塞的驱动机构从气缸和柱塞的滑动部分的端部进入气缸。 提供围绕气缸和柱塞的滑动部分的端部的保持器。 密封机构包括两个相互独立的密封装置，其沿从柱塞的滑动部分的端部沿柱塞的圆周方向在长度方向上以特定的间隔安装。 两个密封装置通过保持器围绕气缸和柱塞的滑动部分的端部保持在柱塞的圆周上，同时保持特定间隔。

    High pressure fuel pump provided with damper
    6.
    发明申请
    High pressure fuel pump provided with damper 有权
    高压燃油泵配有阻尼器

    公开(公告)号：US20070107698A1

    公开(公告)日：2007-05-17

    申请号：US11622170

    申请日：2007-01-11

    申请人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    发明人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    IPC分类号： F02M59/46

    CPC分类号： F02M37/0041 ,  F02D33/003 ,  F02M37/0047 ,  F02M55/04 ,  F02M59/366 ,  F02M59/44 ,  F02M63/0001 ,  F02M63/0225 ,  F02M2200/04 ,  F02M2200/24 ,  F02M2200/247 ,  F02M2200/315 ,  F04B11/0016 ,  F04B49/243 ,  F04B2205/01 ,  F04B2205/02 ,  F04B2205/05

    摘要： A fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability is provided. A fuel feed system for an internal combustion engine including a fuel tank and a low-pressure pump for feeding the fuel in the fuel tank to fuel injection valves, is provided with a diaphragm type damper having a wave-shape cross section at a position in contact with the fuel. Also, in a high-pressure fuel feed pump including a pressurizing chamber for pressurizing the fuel, a plunger for pumping the fuel within the pressurizing chamber, an intake valve provided at a fuel inlet of the pressurizing chamber, a discharge valve provided at a fuel outlet of the pressurizing chamber, and a low-pressure chamber provided in an upstream of the intake valve, a mechanism for reducing fuel pressure pulsation is disposed in a space of the low-pressure chamber provided in the upstream of the intake valve, and a fuel pressure sensor for measuring the fuel pressure is mounted near the mechanism for reducing fuel pressure pulsation.

    摘要翻译： 提供一种能够以具有改善的稳定性的燃料压力向燃料喷射阀供给燃料的燃料供给系统。 一种用于内燃机的燃料供给系统，其包括用于将燃料箱中的燃料供给到燃料喷射阀的燃料箱和低压泵，具有在其位置处具有波形截面的膜片式阻尼器 与燃料接触。 此外，在包括用于对燃料加压的加压室的高压燃料供给泵中，用于泵送加压室内的燃料的柱塞，设置在加压室的燃料入口的进气阀，设置在燃料的排出阀 加压室的出口以及设置在进气阀的上游的低压室，设置在进气阀的上游的低压室的空间内配置有用于降低燃料压力脉动的机构， 用于测量燃料压力的燃料压力传感器安装在用于降低燃料压力脉动的机构附近。

    High pressure fuel pump provided with damper
    9.
    发明授权
    High pressure fuel pump provided with damper 有权
    高压燃油泵配有阻尼器

    公开(公告)号：US07513240B2

    公开(公告)日：2009-04-07

    申请号：US11622170

    申请日：2007-01-11

    申请人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    发明人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    IPC分类号： F02M59/46

    CPC分类号： F02M37/0041 ,  F02D33/003 ,  F02M37/0047 ,  F02M55/04 ,  F02M59/366 ,  F02M59/44 ,  F02M63/0001 ,  F02M63/0225 ,  F02M2200/04 ,  F02M2200/24 ,  F02M2200/247 ,  F02M2200/315 ,  F04B11/0016 ,  F04B49/243 ,  F04B2205/01 ,  F04B2205/02 ,  F04B2205/05

    摘要： A fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability is provided. A fuel feed system for an internal combustion engine including a fuel tank and a low-pressure pump for feeding the fuel in the fuel tank to fuel injection valves, is provided with a diaphragm type damper having a wave-shape cross section at a position in contact with the fuel. Also, in a high-pressure fuel feed pump including a pressurizing chamber for pressurizing the fuel, a plunger for pumping the fuel within the pressurizing chamber, an intake valve provided at a fuel inlet of the pressurizing chamber, a discharge valve provided at a fuel outlet of the pressurizing chamber, and a low-pressure chamber provided in an upstream of the intake valve, a mechanism for reducing fuel pressure pulsation is disposed in a space of the low-pressure chamber provided in the upstream of the intake valve, and a fuel pressure sensor for measuring the fuel pressure is mounted near the mechanism for reducing fuel pressure pulsation.

    摘要翻译： 提供一种能够以具有改善的稳定性的燃料压力向燃料喷射阀供给燃料的燃料供给系统。 一种用于内燃机的燃料供给系统，其包括用于将燃料箱中的燃料供给到燃料喷射阀的燃料箱和低压泵，具有在其位置处具有波形截面的膜片式阻尼器 与燃料接触。 此外，在包括用于对燃料加压的加压室的高压燃料供给泵中，用于泵送加压室内的燃料的柱塞，设置在加压室的燃料入口的进气阀，设置在燃料的排出阀 加压室的出口以及设置在进气阀的上游的低压室，设置在进气阀的上游的低压室的空间内配置有用于降低燃料压力脉动的机构， 用于测量燃料压力的燃料压力传感器安装在用于降低燃料压力脉动的机构附近。

    Fuel feed system
    10.
    发明授权
    Fuel feed system 有权
    燃料供给系统

    公开(公告)号：US07165534B2

    公开(公告)日：2007-01-23

    申请号：US10274034

    申请日：2002-10-21

    申请人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    发明人： Satoshi Usui ,  Hiroshi Odakura ,  Toru Onose ,  Atsuji Saito ,  Masami Abe ,  Hiroyuki Yamada

    IPC分类号： F02M37/04

    CPC分类号： F02M37/0041 ,  F02D33/003 ,  F02M37/0047 ,  F02M55/04 ,  F02M59/366 ,  F02M59/44 ,  F02M63/0001 ,  F02M63/0225 ,  F02M2200/04 ,  F02M2200/24 ,  F02M2200/247 ,  F02M2200/315 ,  F04B11/0016 ,  F04B49/243 ,  F04B2205/01 ,  F04B2205/02 ,  F04B2205/05

    摘要： A fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability is provided. A fuel feed system for an internal combustion engine including a fuel tank and a low-pressure pump for feeding the fuel in the fuel tank to fuel injection valves, is provided with a diaphragm type damper having a wave-shape cross section at a position in contact with the fuel. Also, in a high-pressure fuel feed pump including a pressurizing chamber for pressurizing the fuel, a plunger for pumping the fuel within the pressurizing chamber, an intake valve provided at a fuel inlet of the pressurizing chamber, a discharge valve provided at a fuel outlet of the pressurizing chamber, and a low-pressure chamber provided in an upstream of the intake valve, a mechanism for reducing fuel pressure pulsation is disposed in a space of the low-pressure chamber provided in the upstream of the intake valve, and a fuel pressure sensor for measuring the fuel pressure is mounted near the mechanism for reducing fuel pressure pulsation.

    摘要翻译： 提供一种能够以具有改善的稳定性的燃料压力向燃料喷射阀供给燃料的燃料供给系统。 一种用于内燃机的燃料供给系统，其包括用于将燃料箱中的燃料供给到燃料喷射阀的燃料箱和低压泵，具有在其位置处具有波形截面的膜片式阻尼器 与燃料接触。 此外，在包括用于对燃料加压的加压室的高压燃料供给泵中，用于泵送加压室内的燃料的柱塞，设置在加压室的燃料入口的进气阀，设置在燃料的排出阀 加压室的出口以及设置在进气阀的上游的低压室，设置在进气阀的上游的低压室的空间内配置有用于降低燃料压力脉动的机构， 用于测量燃料压力的燃料压力传感器安装在用于降低燃料压力脉动的机构附近。