Device for supplying electric current to the fuel pump of a motor vehicle internal combustion engine
一种燃油泵、内燃机的技术,应用在电路装置、负载供给电路、电池电路装置等方向,能够解决成本高、高复杂度等问题,达到避免不必要的工作、冷却能力小、小结构复杂度的效果
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[0020] 1 and 2 show a device 1 for supplying current to a fuel pump 2 of an internal combustion engine 3 of a motor vehicle. The device 1 has a first connection 4 connected to a DC power supply and a second connection 5 connected to a consumption regulation device 6 (or fuel quantity regulation device) of the fuel pump 2 . This consumption regulating device 6 is optional and can be omitted in an alternative embodiment. The consumption regulating device 6 connects the second connection 5 of the device 1 to the fuel pump 2 when the internal combustion engine 3 is started and while the internal combustion engine 3 is running. The first connection 4 of the device 1 is connected to a DC power supply 7 designed as a motor vehicle battery. The critical voltage of the DC power supply 7 is monitored by a monitoring device 8 . The monitoring device 8 has a voltage detector 9 connected to the first connection 4 and a monitoring circuit 10 , and is connected to a relay 11 . Furthermore...
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