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    • 3. 发明授权
    • Fuel injection pump
    • 燃油喷射泵
    • US08006673B2
    • 2011-08-30
    • US12333622
    • 2008-12-12
    • Masashi SuzukiHiroyuki Shimai
    • Masashi SuzukiHiroyuki Shimai
    • F02M37/06F02M37/04
    • F02M59/16F02M59/102F02M59/462F02M63/0225F02M2200/27F02M2200/90F02M2200/9053
    • A low-pressure pump portion pumps fuel from a fuel tank. A pressure regulating valve controls pressure of fuel discharged from the low-pressure pump portion. A high-pressure pump portion pressurizes the discharged fuel. A valve cover has a mounting portion mounted with the pressure regulating valve. A camshaft moves a movable member to pressurize fuel in a high-pressure pump chamber of a cylinder so as to press-feed the fuel from the high-pressure pump portion. The low-pressure pump portion includes a rotatable member, which is rotatable integrally with the camshaft, and a pump cover, which accommodates the rotatable member. The pump cover is fixed to the pump housing. The valve cover is a separate component from the pump housing and the pump cover.
    • 低压泵部分从燃料箱泵送燃料。 压力调节阀控制从低压泵部排出的燃料的压力。 高压泵部对排出的燃料加压。 阀盖具有安装有压力调节阀的安装部分。 凸轮轴使可动构件移动,对气缸的高压泵室中的燃料进行加压,从而对来自高压泵部的燃料进行加压。 低压泵部分包括与凸轮轴一体地旋转的可旋转构件和容纳可旋转构件的泵盖。 泵盖固定在泵壳体上。 阀盖是与泵壳体和泵盖分开的部件。
    • 4. 发明授权
    • Fuel supply system having fuel filter installed downstream of feed pump
    • 燃料供应系统具有安装在进料泵下游的燃料过滤器
    • US07634986B2
    • 2009-12-22
    • US12327196
    • 2008-12-03
    • Akihiro KurodaHiroyuki Shimai
    • Akihiro KurodaHiroyuki Shimai
    • F02M69/54
    • F02M37/0023F02M37/22
    • A fuel supply system for delivering fuel to, for example, a common rail of a diesel engine fuel injection system. The fuel supply system includes a priming pump, a feed pump, a fuel filter disposed downstream of the feed pump, a return path, and a return valve. When the pressure of the fuel between the feed pump and the fuel filter exceeds a first set pressure, the return valve is placed in a first open position to open the return path to return the fuel from downstream to upstream of the feed pump. When the pressure of the fuel, as fed by the priming pump, exceeds a second set pressure, the return valve is placed in a second open position to open the return path to direct the fuel, as fed by the priming pump, to upstream of the fuel filter to prime the fuel filter directly.
    • 用于将燃料输送到例如柴油发动机燃料喷射系统的共轨的燃料供应系统。 燃料供应系统包括起动泵,进料泵,设置在进料泵下游的燃料过滤器,返回路径和回流阀。 当进料泵和燃料过滤器之间的燃料的压力超过第一设定压力时,回流阀被置于第一打开位置以打开返回路径,以将燃料从下游输送到进料泵的上游。 当由起动泵输送的燃料的压力超过第二设定压力时,将回流阀置于第二打开位置以打开返回路径,以将燃料(如由起动泵输送)引导到 燃油滤清器直接灌注燃油滤清器。