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    • 2. 发明申请
    • Single piston pump with dual return springs
    • 单活塞泵带双回位弹簧
    • US20110303195A1
    • 2011-12-15
    • US12802617
    • 2010-06-10
    • Robert LucasIlija Djordjevic
    • Robert LucasIlija Djordjevic
    • F02M37/06
    • F02M59/102F02M37/04F02M37/043F04B1/0408F04B1/0426F04B53/144
    • Pump piston seizures caused by excessive side loads produced by the uneven loading of a large piston return spring are prevented by separating the tappet return function from the piston return function, thereby minimizing the spring force acting on the piston. Separate and distinct biasing means perform the respective functions. Preferably, a stronger, heavier load outer spring is mounted between the pump body and the tappet, such that it imparts no load and therefore no side loads to the pumping piston. A weaker, lighter load inner spring imparts less side load to the pumping piston than a conventional piston return spring, because the inner spring need not carry any tappet load. During both the pumping and charging strokes of the piston, the piston return spring can assist the tappet return spring, but the tappet return spring does not assist the piston return spring.
    • 通过将挺杆返回功能与活塞返回功能分开来防止由大活塞复位弹簧的不均匀载荷产生的过大的侧向载荷引起的泵活塞咬合,从而最小化作用在活塞上的弹簧力。 独立和不同的偏置装置执行各自的功能。 优选地,较重的较重的负载外部弹簧安装在泵体和挺杆之间,使得其不施加负载,因此不向泵送活塞施加侧向载荷。 由于内部弹簧不需要携带任何挺杆载荷,内部较弱的内弹簧比常规的活塞复位弹簧赋予泵送活塞更少的侧向载荷。 在活塞的抽吸和充气冲程期间,活塞复位弹簧可以帮助挺杆复位弹簧,但挺杆复位弹簧不能帮助活塞复位弹簧。
    • 7. 发明授权
    • Shaft seal with pressure equalizing shuttle
    • 轴密封带均压梭
    • US06261069B1
    • 2001-07-17
    • US09520521
    • 2000-03-08
    • Ilija Djordjevic
    • Ilija Djordjevic
    • F04B2300
    • F04B1/0404F04B1/0448Y10T137/7774
    • An apparatus is provided for equalizing pressure between a lubrication fluid for lubricating a pump and a combustion fluid located at a low pressure side of the pump wherein the pump has a rotatable shaft. The apparatus includes a wall defining a bore within the pump wherein a first end of the bore is configured to receive a lubrication fluid and a second end of the bore is configured to receive combustion fluid. An equalizing element is disposed within the bore for separating the lubrication fluid and the combustion fluid and may be at least partially movable in response to pressure differences caused, e.g., by differences in thermal expansion between the lubrication fluid and the combustion fluid.
    • 提供了一种用于使用于润滑泵的润滑流体和位于泵的低压侧的燃烧流体之间的压力相等的装置,其中泵具有可旋转的轴。 该装置包括限定泵内的孔的壁,其中孔的第一端构造成容纳润滑流体,并且孔的第二端构造成接收燃烧流体。 用于分离润滑流体和燃烧流体的均衡元件设置在孔内,并且可以响应于例如由润滑流体和燃烧流体之间的热膨胀差引起的压力差而至少部分地移动。
    • 8. 发明授权
    • Fluid pump with split plungers
    • 带分流柱塞的流体泵
    • US5980214A
    • 1999-11-09
    • US928312
    • 1997-09-12
    • Ilija Djordjevic
    • Ilija Djordjevic
    • F02M41/14F02M59/06F02M59/10F02M59/44F04B1/02F04B1/04F04B23/08
    • F02M59/44F02M41/1405F02M59/442F04B1/0408
    • A fuel pump (10) for supplying fuel to an internal combustion engine employs at least one composite pumping plunger (43) disposed within a plunger bore (46) for reciprocation therein. Each composite plunger comprises at least a high-pressure plunger element (48), which is in contact with a high-pressure fuel charge to be delivered by the pump, and an abutting leak-off plunger element (47) disposed between the high-pressure element and a plunger actuating member (50, 52). The plunger elements of each composite plunger are stacked in the direction of reciprocation such that the abutting plunger elements form confronting end faces. The confronting end face of at least one of the elements in each composite plunger is contoured and the confronting end face of the abutting element is non-complementary in shape. This arrangement of confronting faces of abutting plunger elements causes the composite plungers to freely reciprocate within the plunger bores in self-centering fashion and provides a tighter seal at the interfaces of the composite plungers and the plunger bores.
    • 用于向内燃机供应燃料的燃料泵(10)采用设置在活塞孔(46)内的至少一个复合泵送柱塞(43),用于在其中往复运动。 每个复合柱塞包括至少一个高压柱塞元件(48),该高压柱塞元件(48)与由泵输送的高压燃料装料接触;以及邻接的泄漏柱塞元件(47) 压力元件和柱塞致动构件(50,52)。 每个复合柱塞的柱塞元件沿往复运动的方向堆叠,使得邻接柱塞元件形成相对的端面。 每个复合柱塞中的至少一个元件的相对端面是轮廓形状的,并且邻接元件的相对端面的形状是不互补的。 邻接柱塞元件的相对面的这种布置导致复合柱塞在自动定心的方式在柱塞孔内自由往复运动,并且在复合柱塞和柱塞孔的界面处提供更紧密的密封。
    • 9. 发明授权
    • Timing control system for fuel injection pump
    • 燃油喷射泵定时控制系统
    • US5123393A
    • 1992-06-23
    • US754577
    • 1991-09-04
    • Ilija Djordjevic
    • Ilija Djordjevic
    • F02M41/14
    • F02M41/1427F02M41/1416
    • A rotary distributor fuel injection pump having a timing piston for controlling the fuel injection timing in accordance with opposed fuel pressures in advance and back pressure chambers at opposite ends of the piston, a restricted passage for supplying fuel at a restricted rate to the back pressure chamber, a pressure relief valve for limiting the back pressure, a dump valve for dumping the back pressure to advance the timing for starting and a rotary inlet metering valve having a bleed port connected to the back pressure chamber and a helical metering edge which cooperates with the bleed port to control the bleed rate and therefore the timing in relation to engine load to provide a light load advance or light load retard.
    • 一种旋转分配器燃料喷射泵,具有正时活塞,用于根据预先相对的燃料压力控制燃料喷射正时,并且在活塞的相对端处具有背压室,用于以限制的速率向背压室供应燃料的限制通道 用于限制背压的卸压阀,用于倾倒背压以提高起动时间的倾卸阀和具有连接到背压室的排放口的旋转入口计量阀和与该压力室相配合的螺旋计量边缘, 泄放口以控制排放速率,因此控制发动机负载的时间,以提供轻负载提前或轻负载延迟。