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公开(公告)号：US06554590B2
公开(公告)日：2003-04-29
申请号：US09837249
申请日：2001-04-18
IPC分类号： F04B3908
CPC分类号： F02M63/0225 , F02M59/368 , F04B53/162 , F04B53/166
摘要： A high pressure pump includes a cylinder body. The cylinder body has a cylinder and a valve recess communicated with the cylinder. A cover is attached to the cylinder body to surround the valve recess. A plunger reciprocates in the cylinder. An electromagnetic valve has a pressurizing chamber, a valve hole connected to the pressurizing chamber and a valve body. The valve body selectively opens and closes the valve hole. The electromagnetic valve is fixed to the cover. When fluid is pressurized in the pressurizing chamber, the valve hole is closed by the valve body and the plunger enters the pressurizing chamber. A seal ring is located between an outer surface of the electromagnetic valve and an inner surface of the valve recess. The seal ring seals the pressurizing chamber. This reliably seals a pressurizing chamber and improves the displacement efficiency.
摘要翻译： 高压泵包括缸体。 缸体具有与气缸连通的气缸和阀门凹槽。 盖体连接到缸体以围绕阀门凹部。 柱塞在气缸中往复运动。 电磁阀具有加压室，与加压室连接的阀孔和阀体。 阀体选择性地打开和关闭阀孔。 电磁阀固定在盖子上。 当流体在加压室中被加压时，阀孔被阀体关闭，柱塞进入加压室。 密封环位于电磁阀的外表面和阀凹部的内表面之间。 密封环密封加压室。 这可靠地密封加压室并提高排量效率。
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公开(公告)号：US07114928B2
公开(公告)日：2006-10-03
申请号：US10257715
申请日：2001-04-17
申请人： Kazuhiro Asayama , Tomoji Ishikawa , Naoki Kurata , Daichi Yamazaki , Masanori Sugiyama , Hiroshi Inoue
发明人： Kazuhiro Asayama , Tomoji Ishikawa , Naoki Kurata , Daichi Yamazaki , Masanori Sugiyama , Hiroshi Inoue
IPC分类号： F04B19/00
CPC分类号： F02M59/48 , F02M39/00 , F02M59/102 , F02M59/44 , F02M59/442 , F02M63/0225 , F04B1/0404 , F04B1/0448 , F04B53/16 , F04B53/22
摘要： A high pressure pump for decreasing an initial axial force of a clamping bolt and preventing distortion of a sealing surface and a cylinder form. The high pressure pump has an intermediate member including a cylinder body. The cylinder body has a pressurizing chamber communicated with a cylinder accommodating a plunger. Fluid in the pressurizing chamber is pressurized by reciprocating the plunger. The intermediate member is arranged between a cover and a flange and clamped by a clamping bolt. The clamping bolt has an exposed area at its axially central area where the entire periphery of the clamping bolt is exposed from the cover and the flange. One or both of the cover and the flange clamp the intermediate member with a flexing elastic force.
摘要翻译： 用于减小夹紧螺栓的初始轴向力并防止密封表面和气缸形式变形的高压泵。 高压泵具有包括缸体的中间构件。 气缸体具有与容纳柱塞的气缸连通的加压室。 加压室中的流体通过使柱塞往复运动而加压。 中间构件布置在盖和凸缘之间并由夹紧螺栓夹紧。 夹紧螺栓在其轴向中心区域处具有暴露区域，其中夹紧螺栓的整个周边从盖和凸缘暴露。 所述盖和所述法兰中的一个或两者以弯曲弹性力夹紧所述中间构件。
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公开(公告)号：US09188096B2
公开(公告)日：2015-11-17
申请号：US13581698
申请日：2011-09-06
申请人： Takashi Usui , Tomoyuki Maeda , Kazuhiro Asayama
发明人： Takashi Usui , Tomoyuki Maeda , Kazuhiro Asayama
CPC分类号： F02M69/02 , F02M37/20 , F02M59/368 , F02M59/44 , F02M59/462 , F02M63/0265 , F02M2200/40
摘要： A fuel pump which can suppress fuel bubbles from being sucked into a fuel pressure chamber, and can achieve a stable fuel pressure property. The fuel pump has a pump body formed with a suction passage and a pump operation chamber, and a pressure pump mechanism to pressurize and discharge fuel. The pump body has a lower side wall portion and an upper side wall portion respectively at the vertically lower and upper sides of the inner wall portion forming a suction gallery chamber partly forming the suction passage. The pressure pump mechanism has a valve retaining member having an insertion portion inserted into the suction gallery chamber. The insertion portion has internal suction inlets through which the fuel is sucked from the suction gallery chamber into the pump operation chamber, the internal suction inlets being positioned in the intermediate height area in the suction gallery chamber.
摘要翻译： 一种能够抑制燃料气泡被吸入燃料压力室的燃料泵，能够实现稳定的燃料压力特性。 燃料泵具有形成有吸入通道和泵操作室的泵体，以及用于对燃料进行加压和排出的压力泵机构。 泵体在内壁部分的垂直下下侧分别具有下侧壁部分和上侧壁部分，形成部分地形成吸入通道的抽吸腔室。 压力泵机构具有阀保持构件，该阀保持构件具有插入吸入腔室中的插入部分。 插入部分具有内部吸入口，燃料通过该吸入口从抽吸腔室吸入泵操作室，内部吸入口位于抽吸腔室中的中间高度区域。
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公开(公告)号：US20130098338A1
公开(公告)日：2013-04-25
申请号：US13581698
申请日：2011-09-06
申请人： Takashi Usui , Tomoyuki Maeda , Kazuhiro Asayama
发明人： Takashi Usui , Tomoyuki Maeda , Kazuhiro Asayama
IPC分类号： F02M69/02
CPC分类号： F02M69/02 , F02M37/20 , F02M59/368 , F02M59/44 , F02M59/462 , F02M63/0265 , F02M2200/40
摘要： A fuel pump which can suppress fuel bubbles from being sucked into a fuel pressure chamber, and can achieve a stable fuel pressure property. The fuel pump has a pump body formed with a suction passage and a pump operation chamber, and a pressure pump mechanism to pressurize and discharge fuel. The pump body has a lower side wall portion and an upper side wall portion respectively at the vertically lower and upper sides of the inner wall portion forming a suction gallery chamber partly forming the suction passage. The pressure pump mechanism has a valve retaining member having an insertion portion inserted into the suction gallery chamber. The insertion portion has internal suction inlets through which the fuel is sucked from the suction gallery chamber into the pump operation chamber, the internal suction inlets being positioned in the intermediate height area in the suction gallery chamber.
摘要翻译： 一种能够抑制燃料气泡被吸入燃料压力室的燃料泵，能够实现稳定的燃料压力特性。 燃料泵具有形成有吸入通道和泵操作室的泵体，以及用于对燃料进行加压和排出的压力泵机构。 泵体在内壁部分的垂直下下侧分别具有下侧壁部分和上侧壁部分，形成部分地形成吸入通道的抽吸腔室。 压力泵机构具有阀保持构件，该阀保持构件具有插入吸入腔室中的插入部分。 插入部分具有内部吸入口，燃料通过该吸入口从抽吸腔室吸入泵操作室，内部吸入口位于抽吸腔室中的中间高度区域。
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公开(公告)号：US07287967B2
公开(公告)日：2007-10-30
申请号：US10257651
申请日：2001-04-17
IPC分类号： F04B19/00
CPC分类号： F02M63/0225 , F02M39/00 , F02M59/44 , F02M59/442 , F02M59/48
摘要： A high pressure pump for preventing distortion of a sealing surface or a cylinder form. The high pressure pump has an intermediate member including a cylinder body having a pressurizing chamber communicated with a cylinder accommodating a plunger. Fluid in the pressurizing chamber is pressurized by reciprocating the plunger. The intermediate member is arranged between a cover and a flange and is clamped by clamping bolts. An electromagnetic spill valve for receiving reaction force from the pressurizing chamber when the fluid in the pressurizing chamber is pressurized is attached to the cover at a position for reducing the clamping force applied to the intermediate member by the clamping bolts.
摘要翻译： 用于防止密封表面或圆筒形变形的高压泵。 高压泵具有中间构件，该中间构件包括具有与容纳柱塞的气缸连通的加压室的缸体。 加压室中的流体通过使柱塞往复运动而加压。 中间构件布置在盖和凸缘之间，并通过夹紧螺栓夹紧。 当加压室中的流体被加压时，用于接收来自加压室的反作用力的电磁溢流阀在用于减小通过夹紧螺栓施加到中间构件的夹紧力的位置处附接到盖。
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公开(公告)号：US06789459B2
公开(公告)日：2004-09-14
申请号：US10257714
申请日：2002-10-16
申请人： Masaaki Sano , Kazuhiro Asayama , Hiroshi Inoue
发明人： Masaaki Sano , Kazuhiro Asayama , Hiroshi Inoue
IPC分类号： F16J1518
CPC分类号： F02M59/44 , F02M59/102 , F02M59/442 , F04B53/164 , F04B2201/0208
摘要： A high pressure fuel pump includes a cylinder having a pressurizing chamber and a plunger inserted into the cylinder. The plunger is axially reciprocated by a lifter to pressurize fuel in the pressurizing chamber. A seal member encompasses a portion of the plunger that is projected from the cylinder. The seal member disconnects a cylinder side space surrounded by the seal member from a lifter side space outside the seal member. The seal member has an annular lip portion that contacts a peripheral surface of the plunger, and the annular lip portion has a pair of lips separated from each other in an axial direction of the plunger. An axial distance between the lips is greater than a stroke of the plunger. As a result, fuel does not enter the lifter side space, and lubricating oil does not enter the cylinder side space.
摘要翻译： 高压燃料泵包括具有加压室和插入气缸中的柱塞的气缸。 柱塞由提升器轴向往复运动，以对加压室中的燃料加压。 密封构件包括从气缸突出的柱塞的一部分。 密封构件将由密封构件包围的气缸侧空间与密封构件外侧的升降器侧空间断开。 密封构件具有与柱塞的周面接触的环形唇部，并且环形唇部具有在柱塞的轴向上彼此分离的一对唇缘。 嘴唇之间的轴向距离大于柱塞的行程。 结果，燃料不进入升降器侧空间，润滑油不会进入气缸侧空间。
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公开(公告)号：US06530759B2
公开(公告)日：2003-03-11
申请号：US09836774
申请日：2001-04-18
申请人： Masaaki Sano , Kazuhiro Asayama , Hiroshi Inoue
发明人： Masaaki Sano , Kazuhiro Asayama , Hiroshi Inoue
IPC分类号： F04B1900
CPC分类号： F04B53/04 , F02M59/442
摘要： A high pressure fuel pump has a plunger that extends through a cylinder and is reciprocally located in a pressurizing chamber. The plunger is reciprocated by a lifter and changes the volume of the pressurizing chamber to pressurize fuel in the pressurizing chamber. A seal member seals the cylinder from the lifter to prevent fuel that leaks from the pressurizing chamber from being mixed with lubricant that lubricates the lifter. A support to which the seal member is attached is formed separately from the cylinder. The support is fixed to the cylinder with the plunger extending through the support.
摘要翻译： 高压燃料泵具有延伸穿过气缸并且往复地位于加压室中的柱塞。 柱塞由升降机往复运动，并且改变加压室的体积以对加压室中的燃料加压。 密封构件将气缸与升降器密封，以防止从加压室泄漏的燃料与润滑提升器的润滑剂混合。 密封构件附接到的支撑体与气缸分开形成。 支撑件固定到柱塞上，柱塞延伸穿过支撑件。
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公开(公告)号：US08033534B2
公开(公告)日：2011-10-11
申请号：US12443610
申请日：2007-10-03
摘要： In a dummy head (a jig for processing a cylinder block) having a dummy head body deforming a cylinder bore by assembling into a mounting surface of the cylinder block by bolt fastening, during the finish processing of the cylinder bore, a boss having a contact surface contacting a peripheral portion of the cylinder bore on the head mounting surface is provided on a mounting surface side for the cylinder block of the dummy head body, and at least the dummy head body has a higher rigidity than the cylinder block.
摘要翻译： 在具有虚拟头部的假人头（用于处理气缸体的夹具）中，其具有通过螺栓紧固而组装到气缸体的安装表面上而使气缸孔变形的虚拟头部，在气缸孔的精加工期间，具有接触 与头部安装面上的气缸孔的周边部分接触的表面设置在虚拟头部本体的气缸体的安装面上，至少虚拟头部本体具有比气缸体更高的刚性。
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公开(公告)号：US20140199194A1
公开(公告)日：2014-07-17
申请号：US14236596
申请日：2011-08-01
申请人： Takashi Usui , Kazuhiro Asayama
发明人： Takashi Usui , Kazuhiro Asayama
IPC分类号： F02M69/02
CPC分类号： F04B7/0015 , F02M55/04 , F02M59/022 , F02M59/368 , F02M59/462 , F02M63/005 , F04B11/0016
摘要： Provided is a fuel pump comprising: a pump body; a plunger reciprocatably displaceable with respect to the pump body; and a plurality of valve elements inclusive of a suction valve to allow the fuel to be sucked into the fuel pressurizing chamber and a discharge valve to allow the fuel to be discharged out of the fuel pressurizing chamber, in which the pump body comprises a tubular valve retention member to retain the plurality of valve elements, a cylinder member to slidably retain the plunger, and an outer shell member having an inner wall surface facing an outer surface of the valve retention member, the inner wall surface and the outer surface of the valve retention member collectively forming a suction gallery chamber.
摘要翻译： 提供一种燃料泵，包括：泵体; 可相对于泵体往复运动的柱塞; 以及包括吸入阀以允许燃料被吸入燃料加压室的多个阀元件和排出阀，以允许燃料从燃料加压室排出，其中泵体包括管状阀 保持构件以保持多个阀元件，可滑动地保持柱塞的圆筒构件，以及具有面向阀保持构件的外表面的内壁表面的外壳构件，阀的内壁表面和外表面 保持构件共同形成吸气腔室。
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10.发明申请公开(公告)号：US20100050433A1
公开(公告)日：2010-03-04
申请号：US12527642
申请日：2008-02-15
申请人： Takahiro Harada , Kazuhiro Asayama
发明人： Takahiro Harada , Kazuhiro Asayama
CPC分类号： B24B33/10 , B24B33/02 , F02F1/102 , Y10T29/49231 , Y10T29/4927 , Y10T29/49272 , Y10T29/5397
摘要： In a processing method for processing a cylinder block, a finish processing for the cylinder bore is performing, by pressing the portion of the bolt phase for fastening the cylinder head on the cylinder portion outer peripheral surface forming the inside surface of a water jacket, on the condition that the rigidity of the pressed portion on the cylinder portion toward the pressure from the side of the cylinder bore (the surface pressure from the grinding stones by honing process) is enhanced compared with the other portions.
摘要翻译： 在用于处理气缸体的处理方法中，通过将用于将气缸盖紧固在形成水套的内表面的气缸部分外周面上的螺栓相的部分按压，进行气缸孔的精加工， 条件是，与其他部分相比，气缸部分上的按压部分朝向气缸孔侧面的压力（来自珩磨过程中的磨石的表面压力）的刚度增强。
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