-
公开(公告)号：US08061331B2
公开(公告)日：2011-11-22
申请号：US12361951
申请日：2009-01-29
CPC分类号： F02D41/3863 , F02D41/3845 , F02D2200/0602 , F02D2250/31
摘要： Disclosed herein is a fuel injector for an internal combustion engine, which includes a high pressure pump for pressure feeding high pressure fuel of the internal combustion engine; a fuel rail for accumulating the fuel that has been pressure fed by the high pressure pump; an injection valve for injecting, into a cylinder, the fuel accumulated in the fuel rail; a fuel pressure sensor for detecting the pressure of the fuel that is accumulated in the fuel rail; an electromagnetic relief valve for discharging the pressure accumulated fuel of the fuel rail; and an electronic control unit for controlling opening and closing of the electromagnetic relief valve. The electronic control unit repeats the opening and closing of the relief valve to discharge the fuel pressure in stages so that the fuel pressure in the fuel rail is decreased down to the target fuel pressure.
摘要翻译： 本发明公开了一种用于内燃机的燃料喷射器，其包括用于对内燃机的高压燃料进行压力供给的高压泵; 燃料轨道，用于蓄积由高压泵压力供给的燃料; 喷射阀，用于将积聚在燃料轨道中的燃料喷射到气缸中; 燃料压力传感器，用于检测蓄积在燃料轨道中的燃料的压力; 用于排出燃料轨的压力累积燃料的电磁释放阀; 以及用于控制电磁释放阀的打开和关闭的电子控制单元。 电子控制单元重复安全阀的打开和关闭，以逐级排出燃料压力，使得燃料轨道中的燃料压力降低到目标燃料压力。
-
2.发明授权High-pressure fuel supply apparatus and control apparatus for internal combustion engine 有权用于内燃机的高压燃料供应装置和控制装置公开(公告)号：US07735472B2
公开(公告)日：2010-06-15
申请号：US12277673
申请日：2008-11-25
CPC分类号： F02D41/3836 , F02D41/22 , F02D2041/224 , F02M2200/18
摘要： In an internal combustion engine provided with a high-pressure fuel pump, if the discharging rate of the high-pressure fuel pump is greater than the injection quantity of fuel injected from a injector with the high-pressure fuel pump remaining uncontrollable due to failure or the like, it is probable that the fuel pressure in a common rail unintentionally rises to affect the injector. A high-pressure fuel supply apparatus is provided to solve such a problem.A high-pressure fuel supply apparatus according to the present invention is configured such that if the high-pressure fuel supply apparatus or a control apparatus thereof causes malfunction to increase the pressure in the common rail, the pressure in the common rail does not exceed pressure affecting the flow characteristic and spray characteristic of the injector after recovery from the malfunctioning state.
摘要翻译： 在设置有高压燃料泵的内燃机中，如果高压燃料泵的排出速度大于由于高压燃料泵由于故障而不能控制的喷射器喷射的燃料的喷射量，或者 共同轨道中的燃料压力很可能会无意中升高以影响喷射器。 提供了一种高压燃料供给装置来解决这样的问题。 根据本发明的高压燃料供给装置被构造成使得如果高压燃料供应装置或其控制装置引起故障以增加共轨中的压力，则共轨中的压力不超过压力 从故障状态恢复后影响喷射器的流量特性和喷雾特性。
-
3.发明申请公开(公告)号：US20090150047A1
公开(公告)日：2009-06-11
申请号：US12277673
申请日：2008-11-25
IPC分类号： F02D41/30
CPC分类号： F02D41/3836 , F02D41/22 , F02D2041/224 , F02M2200/18
摘要： In an internal combustion engine provided with a high-pressure fuel pump, if the discharging rate of the high-pressure fuel pump is greater than the injection quantity of fuel injected from a injector with the high-pressure fuel pump remaining uncontrollable due to failure or the like, it is probable that the fuel pressure in a common rail unintentionally rises to affect the injector. A high-pressure fuel supply apparatus is provided to solve such a problem.A high-pressure fuel supply apparatus according to the present invention is configured such that if the high-pressure fuel supply apparatus or a control apparatus thereof causes malfunction to increase the pressure in the common rail, the pressure in the common rail does not exceed pressure affecting the flow characteristic and spray characteristic of the injector after recovery from the malfunctioning state.
摘要翻译： 在设置有高压燃料泵的内燃机中，如果高压燃料泵的排出速度大于由于高压燃料泵由于故障而不能控制的喷射器喷射的燃料的喷射量，或者 共同轨道中的燃料压力很可能会无意中升高以影响喷射器。 提供了一种高压燃料供给装置来解决这样的问题。 根据本发明的高压燃料供给装置被构造成使得如果高压燃料供应装置或其控制装置引起故障以增加共轨中的压力，则共轨中的压力不超过压力 从故障状态恢复后影响喷射器的流量特性和喷雾特性。
-
公开(公告)号：US20090188469A1
公开(公告)日：2009-07-30
申请号：US12361951
申请日：2009-01-29
CPC分类号： F02D41/3863 , F02D41/3845 , F02D2200/0602 , F02D2250/31
摘要： Disclosed herein is a fuel injector for an internal combustion engine, which can achieve the improved responsiveness to the target fuel pressure as well as the improved controllability even when the fuel pressure is greatly decreased.A fuel injector for an internal combustion engine: a high pressure pump 103 for pressure feeding high pressure fuel of the internal combustion engine; a fuel rail 105 for accumulating the fuel that has been pressure fed by the high pressure pump; an injection valve 106 for injecting, into a cylinder, the fuel accumulated in the fuel rail;a fuel pressure sensor 104 for detecting the pressure of the fuel that is accumulated in the fuel rail; an electromagnetic relief valve 107 for discharging the pressure accumulated fuel of the fuel rail; and an ECU 110 for controlling opening and closing of the electromagnetic relief valve 107. The ECU 110 repeats the opening and closing of the relief valve to discharge the fuel pressure in stages so that the fuel pressure in the fuel rail is decreased down to the target fuel pressure.
摘要翻译： 本文公开了一种用于内燃机的燃料喷射器，即使当燃料压力大大降低时，其可以实现对目标燃料压力的改进的响应性以及改进的可控性。 用于内燃机的燃料喷射器：用于对内燃机的高压燃料进行压力供给的高压泵103; 用于蓄积由高压泵进行了压力供给的燃料的燃料轨道105; 喷射阀106，用于将积聚在燃料轨道中的燃料喷射到气缸中; 燃料压力传感器104，用于检测蓄积在燃料轨道中的燃料的压力; 用于排出燃料轨的压力累积燃料的电磁释放阀107; 以及用于控制电磁释放阀107的打开和关闭的ECU110。ECU110重复安全阀的打开和关闭，以逐级排放燃料压力，使得燃料轨道中的燃料压力降低到目标 燃油压力。
-
-
-
搜索结果
4 条记录 (耗时 0.013 秒)
