Modern power electronics technology. The defense industry uses electromagnetic fuel pumps to improve the cold start of vehicles. The cold start of vehicles has always been a problem that many domestic automobile manufacturers and users often pay attention to and research. The cold start problem of vehicles involves many factors. This article discusses the use of MEP electromagnetic fuel pump to solve the cold start problem.
General vehicles, especially diesel locomotives, are more difficult to start under the climatic conditions of minus 20-40°C in northern China. Although diesel locomotives have a preheating device, the amount of oil delivered by the mechanical oil pump is determined by the mechanical frequency. When idling, the mechanical frequency is not high. In addition, due to the low temperature, the retardation of diesel increases. In addition, mechanical pumps have many oil seals, which are easy to leak, etc., so the oil volume cannot keep up when starting at low temperatures and cannot be exhausted quickly to purify the oil circuit. In recent years, the series of electromagnetic fuel pumps developed by Shanghai Jiaotong University and produced by Shanghai Guangyin Communication Electric Industrial Company have solved the above problems well. The MEP electromagnetic oil pump is produced by using new materials and new technology. It adopts modular working mode. It is small in size, high in power, and easy to assemble. The most important thing is that the series is complete, the reliability is good, and the continuous work can reach more than 2000h. Many indicators are Exceeds the Japanese JISD industrial standard. In recent years, it has been used well on some large and medium-sized vans and military vehicles, and has been widely welcomed by users.
In addition, since the power source of the electromagnetic oil pump is fundamentally different from that of the mechanical pump, its use under normal circumstances also brings many benefits. For example, the oil circuit of some large vehicles can be lengthened, which is conducive to frequent starting of the vehicle, and it is not easy to stall when the vehicle is climbing. Electric exhaust is far more convenient than manual exhaust. Of course, for gasoline cars, the air resistance can be greatly reduced in summer. In short, MEP electromagnetic oil transfer pump has many advantages over mechanical pumps. As long as the reliability of electromagnetic oil transfer pump is recognized by the market, its application prospects should be very broad.
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