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    • 5. 发明专利
    • Steel fuel pressure-feeding pipe
    • 钢管燃油压力管
    • JP2012026357A
    • 2012-02-09
    • JP2010165881
    • 2010-07-23
    • Usui Kokusai Sangyo Kaisha Ltd臼井国際産業株式会社
    • TAKAGI KAZUO
    • F02M55/02
    • F16L9/02F02M55/02F02M2200/05F02M2200/9038F16L58/08Y10T428/12486Y10T428/12799Y10T428/12937
    • PROBLEM TO BE SOLVED: To provide a steel fuel pressure-feeding pipe which connects a high-pressure pump and a direct injection rail in a direct gasoline injection system, and which has high resistance to corrosive fuel and maintains reliability without impairing the function of a direct injection engine, and to provide a steel fuel pressure-feeding pipe which is suitable as a pipe for bypass piping connecting the direct injection rails with each other in a V-type gasoline engine.SOLUTION: The steel fuel pressure-feeding pipe for pressure-feeding gasoline is constructed by forming a Ni plated layer on the entire inner peripheral surface of the fuel pressure-feeding pipe and a rust-proof film made of a Zn plated layer or a Zn-based alloy plated layer on the Ni plated layer at least one end of the fuel pressure-feeding pipe.
    • 要解决的问题:提供一种在直接汽油喷射系统中连接高压泵和直接喷射轨的钢燃料加压管,其具有高耐腐蚀性燃料和维持可靠性而不损害 直接喷射发动机的功能,并且提供一种适用于在V型汽油发动机中将直接喷射轨彼此连接的旁通管道的管道的钢燃料加压管。 解决方案:用于加压汽油的钢燃料加压管通过在燃料加压管的整个内周面上形成Ni镀层和由镀Zn层制成的防锈膜 或在Ni镀层上的Zn基合金镀层,在燃料加压管的至少一端。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Solenoid type fuel injection valve
    • 电磁阀型燃油喷射阀
    • JP2011089432A
    • 2011-05-06
    • JP2009241926
    • 2009-10-21
    • Hitachi Automotive Systems Ltd日立オートモティブシステムズ株式会社
    • OWADA HISASHIISHIKAWA TORUABE MOTOYUKI
    • F02M51/06
    • F02M51/0614F02M51/0671F02M2200/9038
    • PROBLEM TO BE SOLVED: To provide a solenoid type fuel injection valve capable of suppressing a change of a fuel injection amount by forming into a flat surface collision surfaces with a valve element and with a fixed core of a movable element formed by applying chromium coating treatment. SOLUTION: The valve is equipped with a movable element with a cylindrical structure and a valve element provided at a hollow side of the movable element separately from the movable element to perform reciprocating movement. The movable element contains a first collision surface colliding with an end surface of a fixed core and a second collision surface colliding with an end surface of the valve element. The first and second collision surfaces are covered with chromium coating film layers. The chromium coating film layers are laminated by arranging a positive electrode in a center axial line of the movable element. On an end surface of a movable element base material in which at least one of the first and second collision surfaces is formed, an inclined surface having an inclination amount opposite to an inclination amount of an inclined surface gradually increasing the thickness of the chromium coating film layer toward a center axial line is formed. The chromium coating film layers are laminated on the inclined surface to form at least one of the first and second collision surfaces into a flat surface. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种螺线管式燃料喷射阀,其能够通过形成具有阀元件的平坦表面碰撞表面和通过施加形成的可移动元件的固定芯部来抑制燃料喷射量的变化 铬涂层处理。 解决方案:阀配备有具有圆柱形结构的可移动元件和与可移动元件分开设置在可移动元件的中空侧的阀元件,以执行往复运动。 可移动元件包含与固定芯的端面相碰撞的第一碰撞面和与阀元件的端面碰撞的第二碰撞面。 第一和第二碰撞面用铬涂膜层覆盖。 通过在可移动元件的中心轴线上布置正极来层压铬涂膜层。 在其中形成有第一和第二碰撞面的至少一个的可移动元件基材的端面上,具有与倾斜面倾斜量相反的倾斜量的倾斜表面逐渐增加铬涂膜的厚度 形成朝向中心轴线的层。 铬涂层层叠在倾斜表面上,以将第一和第二碰撞面中的至少一个形成为平坦表面。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Method for forming water-repellent layer and fuel injection valve provided with water-repellent layer
    • 形成具有水层的水层和燃油喷射阀的方法
    • JP2010202955A
    • 2010-09-16
    • JP2009052453
    • 2009-03-05
    • Denso Corp株式会社デンソー
    • SUZUKI KAZUNORISOFUE SUSUMUMITSUOKA YOSHIHITO
    • C23F4/00F02M61/16F02M61/18
    • C23F4/00C23C14/165C23C14/5826F02M61/166F02M61/1806F02M61/1853F02M2200/9038
    • PROBLEM TO BE SOLVED: To provide a method for forming a water-repellent layer in which the water-repellent layer is formed, improved in durability relating to heat resistance compatible with secured in control of deposit adhesion to an injection opening, and a fuel injection valve provided with the water-repellent layer. SOLUTION: Projections and recesses are formed in a surface 232 of a base of a metal by irradiating the base of the metal with plasma ions 92, in the method for forming a water-repellent layer 23 which is formed in the surface 232 of a base 231 of the metal. An alloy 94 is made from atoms 93 of the metal and the plasma ions 92, the projections and recesses are formed in a portion not to be etched with the alloy 94, in the base of the metal, and in a portion in which the part of the base of the metal not to be alloyed is etched, and the water-repellent layer 23 is formed by forming the projections and recesses. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种形成防水层的方法,其中形成有防水层,提高耐热性的耐久性,其与确保控制与注射开口的沉积物粘合性相一致,以及 设置有防水层的燃料喷射阀。 解决方案:在形成在表面232中的防水层23的形成方法中,通过在等离子体离子92中照射金属的基底而在金属的基底的表面232中形成突出和凹陷 的金属的基部231。 合金94由金属的原子93和等离子体离子92构成,在金属的底部形成不与合金94蚀刻的部分中的突起和凹部,在该部分中的部分 蚀刻不被合金化的金属的基底,并且通过形成凹凸来形成防水层23。 版权所有(C)2010,JPO&INPIT