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1.发明公开Fuel pump for direct fuel injection apparatus 有权KraftstoffpumpefürDirekt-Kraftstoffeinspritzungsgerät
公开(公告)号：EP1378664A2
公开(公告)日：2004-01-07
申请号：EP02024405.9
申请日：2002-10-28
申请人： Hitachi, Ltd.
发明人： Yamaguchi, Shizuka , Baba, Noboru , Takahashi, Masaya , Terakado, Katsuyoshi , Kagiyama, Arata , Kotaki, Masayoshi , Sawada, Shogo , Ojima, Kazuo , Yamada, Hiroyuki , Machimura, Hideki , Takahashi, Yukio
CPC分类号： C23C28/321 , C23C28/345 , F04B1/0404 , F04B53/162 , F05C2201/021 , F05C2201/903 , F05C2253/12 , Y10S428/936 , Y10T137/7036 , Y10T137/85978 , Y10T428/1275 , Y10T428/12944
摘要： The invention relates to a fuel pump for an inter-cylinder direct fuel injection apparatus, in which occurrence of corrosion and attrition caused by cavitation or erosion can be suppressed, their resistance against the environment can be improved, and an excellent lifetime can be achieved in the case of the use of an aluminum material even if the temperature reaches as high as 100°C or higher and the pressure reaches as high as 7 to 12 MPa. In the fuel pump for an inter-cylinder direct fuel injection apparatus, made of aluminum or an aluminum alloy, a coating film ( 501) plated with Ni-P or a Ni-P based material is formed by electroless plating.
摘要翻译： 本发明涉及一种用于缸内直接燃料喷射装置的燃料泵，其中可以抑制由空化或侵蚀引起的腐蚀和磨损的发生，可以提高其对环境的抵抗力，并且可以实现优异的寿命 即使温度达到100℃以上，压力高达7〜12MPa，也可以使用铝材的情况。 在由铝或铝合金制成的缸内直接燃料喷射装置的燃料泵中，通过无电镀形成镀Ni-P或Ni-P基材料的涂膜（501）。
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公开(公告)号：EP1063428A2
公开(公告)日：2000-12-27
申请号：EP00104550.9
申请日：2000-03-13
申请人： Hitachi, Ltd.
发明人： Ono, Yoshinobu , Takahashi, Yukio , Machimura, Hideki , Hashida, Minoru , Kotaki, Masayoshi , Yamamura, Takefumi
IPC分类号： F04B1/20
CPC分类号： F04B1/2021 , F04B1/122 , F04B1/14 , F04B53/164
摘要： The present invention provides an axial plunger pump which does not need bellows by restricting fuel to a cylinder bore (13) configuring a pump portion and by lubricating the other portion with oil. The high pressure fuel pump comprises a plunger (11) reciprocating according to a shaking movement of a swash plate (9), a cylinder block (12) forming a pump chamber (14) together with the plunger (11), and a sealing member provided between the plunger and a cylinder bore for sealing oil leaked from the pump chamber (14) to a chamber surrounding the pump chamber (14), wherein oil in the oil chamber is supplied from the outside of the high pressure fuel pump.
摘要翻译： 本发明提供一种轴向柱塞泵，其不需要通过将燃料限制到构成泵部分的气缸孔（13）并且通过用油润滑另一部分而不需要波纹管。 高压燃料泵包括根据斜板（9）的振动运动往复运动的柱塞（11），与柱塞（11）一起形成泵室的气缸体（12）以及密封构件 设置在所述柱塞和用于将从所述泵室（14）泄漏的油密封到围绕所述泵室（14）的室的缸孔之间，其中所述油室中的油从所述高压燃料泵的外部供应。
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公开(公告)号：EP1378664B1
公开(公告)日：2013-03-27
申请号：EP02024405.9
申请日：2002-10-28
申请人： Hitachi, Ltd.
发明人： Yamaguchi, Shizuka , Baba, Noboru , Takahashi, Masaya , Terakado, Katsuyoshi , Kagiyama, Arata , Kotaki, Masayoshi , Sawada, Shogo , Ojima, Kazuo , Yamada, Hiroyuki , Machimura, Hideki , Takahashi, Yukio
CPC分类号： C23C28/321 , C23C28/345 , F04B1/0404 , F04B53/162 , F05C2201/021 , F05C2201/903 , F05C2253/12 , Y10S428/936 , Y10T137/7036 , Y10T137/85978 , Y10T428/1275 , Y10T428/12944
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公开(公告)号：EP1801411A8
公开(公告)日：2007-10-03
申请号：EP07007833.2
申请日：2001-01-05
CPC分类号： F02M59/102 , F02M59/366 , F02M59/44 , F02M59/442 , F02M59/445 , F02M59/462 , F02M59/48 , F02M59/485 , F02M63/0001 , F02M2200/04 , F04B49/243 , F04B53/04 , F04B53/168 , F04B53/22
摘要： The invention relates to a fluid pump, wherein a cylinder 20 supporting a plunger 2 and a pump housing 1 are formed with dissimilar metals and a pressing mechanism to press the cylinder 20 and the pump housing 1 relatively to each other is provided so that a pressurizing chamber 12 is sealed through a pressing surface between the pump housing 1 and the cylinder 20, whereby the number of seal points can be reduced and a reduction in reliability can be eliminated while realizing a reduction in weight of the pump housing 1 and a reduction in cost due to increase in cutting capability using a soft member such as aluminium alloy for the pump housing 1.
摘要翻译： 流体泵技术领域本发明涉及一种流体泵，其中支撑柱塞2和泵壳体1的缸体20由不同种类的金属形成，并且设置有用于相对彼此挤压缸体20和泵壳体1的加压机构， 通过泵壳体1与缸体20之间的按压面将腔室12密封，由此能够减少密封点的数量，并且能够实现可靠性的降低，同时实现泵壳体1的轻量化和 由于使用诸如铝合金之类的软质构件来增加泵壳体1的切割能力而导致成本增加。
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5.发明公开Fuel pump and direct fuel injection engine 无效Kraftstoffpumpe und direkt einspritzende Brennkraftmaschine
公开(公告)号：EP1310577A1
公开(公告)日：2003-05-14
申请号：EP02004241.2
申请日：2002-02-26
申请人： Hitachi, Ltd.
发明人： Yamaguchi, Shizuka , Baba, Noboru , Nagayama, Toshiaki , Terakado, Katsuyoshi , Kagiyama, Arata , Machimura, Hideki , Yamada, Hiroyuki , Takahashi, Yukio , Kotaki, Masayoshi , Ojima, Kazuo
CPC分类号： C23C28/044 , C23C8/80 , C23C28/00 , C23C28/048 , F02M59/102 , F02M59/366 , F02M59/445 , F02M63/0225 , F02M2200/02 , F04B1/0408 , F04B1/0413 , F04B1/0421 , F04B1/0426 , F04B1/143 , F04B1/146 , F05C2253/12
摘要： The invention relates to a fuel pump, of which sliding mechanism parts in its fuel chamber have good wear resistance under a severe environment, and to a direct fuel injection engine using the fuel pump.
In a fuel pump for pressurizing and delivering fuel to a fuel injector of a vehicle engine, at least one of sliding surfaces of a slant plate (9), a slipper (10) and a plunger (11) sliding in a lubricating oil and at least one of sliding surfaces of sliding members of a plunger (11) and a cylinder (13) contacting with and sliding on each other through the fuel are formed of a hardened layer composed of any one of a nitrided layer, a carburization-quenched layer and a carbonitrided layer, or coated with a high corrosion resistant and hard metal compound layer over the hardened layer.摘要翻译： 本发明涉及一种燃料泵，其燃料室中的滑动机构部件在恶劣的环境下具有良好的耐磨性，以及使用该燃料泵的直接燃料喷射发动机。 在用于将燃料加压并输送到车辆发动机的燃料喷射器的燃料泵中，倾斜板（9），拖鞋（10）和在润滑油中滑动的柱塞（11）的滑动表面中的至少一个 柱塞（11）和与燃料接触并相互滑动的气缸（13）的滑动构件的至少一个滑动表面由由氮化层，渗碳淬火层 和碳化渗碳层，或者在硬化层上涂覆高耐腐蚀和硬质金属化合物层。
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公开(公告)号：EP1063428A3
公开(公告)日：2001-10-31
申请号：EP00104550.9
申请日：2000-03-13
申请人： Hitachi, Ltd.
发明人： Ono, Yoshinobu , Takahashi, Yukio , Machimura, Hideki , Hashida, Minoru , Kotaki, Masayoshi , Yamamura, Takefumi
CPC分类号： F04B1/2021 , F04B1/122 , F04B1/14 , F04B53/164
摘要： The present invention provides an axial plunger pump which does not need bellows by restricting fuel to a cylinder bore (13) configuring a pump portion and by lubricating the other portion with oil. The high pressure fuel pump comprises a plunger (11) reciprocating according to a shaking movement of a swash plate (9), a cylinder block (12) forming a pump chamber (14) together with the plunger (11), and a sealing member provided between the plunger and a cylinder bore for sealing oil leaked from the pump chamber (14) to a chamber surrounding the pump chamber (14), wherein oil in the oil chamber is supplied from the outside of the high pressure fuel pump.
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公开(公告)号：EP1801411B1
公开(公告)日：2009-08-05
申请号：EP07007833.2
申请日：2001-01-05
CPC分类号： F02M59/102 , F02M59/366 , F02M59/44 , F02M59/442 , F02M59/445 , F02M59/462 , F02M59/48 , F02M59/485 , F02M63/0001 , F02M2200/04 , F04B49/243 , F04B53/04 , F04B53/168 , F04B53/22
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公开(公告)号：EP1731751B1
公开(公告)日：2009-04-29
申请号：EP06014850.9
申请日：2002-02-27
发明人： Usui, Satoshi , Yamada, Hiroyuki , Onose, Toru , Saito, Atsuji , Abe, Masami , Kotaki, Masayoshi , Odakura, Hiroshi
IPC分类号： F02M59/44
CPC分类号： F02M59/102 , F02M59/442 , F02M2200/16 , F04B53/04
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公开(公告)号：EP1378664A3
公开(公告)日：2009-03-11
申请号：EP02024405.9
申请日：2002-10-28
申请人： Hitachi, Ltd.
发明人： Yamaguchi, Shizuka , Baba, Noboru , Takahashi, Masaya , Terakado, Katsuyoshi , Kagiyama, Arata , Kotaki, Masayoshi , Sawada, Shogo , Ojima, Kazuo , Yamada, Hiroyuki , Machimura, Hideki , Takahashi, Yukio
CPC分类号： C23C28/321 , C23C28/345 , F04B1/0404 , F04B53/162 , F05C2201/021 , F05C2201/903 , F05C2253/12 , Y10S428/936 , Y10T137/7036 , Y10T137/85978 , Y10T428/1275 , Y10T428/12944
摘要： The invention relates to a fuel pump for an inter-cylinder direct fuel injection apparatus, in which occurrence of corrosion and attrition caused by cavitation or erosion can be suppressed, their resistance against the environment can be improved, and an excellent lifetime can be achieved in the case of the use of an aluminum material even if the temperature reaches as high as 100°C or higher and the pressure reaches as high as 7 to 12 MPa. In the fuel pump for an inter-cylinder direct fuel injection apparatus, made of aluminum or an aluminum alloy, a coating film ( 501) plated with Ni-P or a Ni-P based material is formed by electroless plating.
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10.发明公开
公开(公告)号：EP1801411A1
公开(公告)日：2007-06-27
申请号：EP07007833.2
申请日：2001-01-05
CPC分类号： F02M59/102 , F02M59/366 , F02M59/44 , F02M59/442 , F02M59/445 , F02M59/462 , F02M59/48 , F02M59/485 , F02M63/0001 , F02M2200/04 , F04B49/243 , F04B53/04 , F04B53/168 , F04B53/22
摘要： The invention relates to a fluid pump, wherein a cylinder 20 supporting a plunger 2 and a pump housing 1 are formed with dissimilar metals and a pressing mechanism to press the cylinder 20 and the pump housing 1 relatively to each other is provided so that a pressurizing chamber 12 is sealed through a pressing surface between the pump housing 1 and the cylinder 20, whereby the number of seal points can be reduced and a reduction in reliability can be eliminated while realizing a reduction in weight of the pump housing 1 and a reduction in cost due to increase in cutting capability using a soft member such as aluminium alloy for the pump housing 1.
摘要翻译： 本发明涉及一种流体泵，其中支撑柱塞2和泵壳体1的气缸20形成有不同的金属，并且设置相对于彼此挤压气缸20和泵壳体1的按压机构，使得加压 腔室12通过泵壳体1和气缸20之间的按压面密封，从而可以减少密封点的数量，并且可以在实现泵壳体1的重量减少的同时减少可靠性，并减少 由于使用诸如铝合金的软构件用于泵壳体1的切割能力增加的成本。
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