What is a fuel pump?

First of all, let's understand the role of the lower oil pump is to ensure the circulation of diesel in the low pressure oil circuit, which can supply sufficient quantity and a certain pressure of fuel to the injection pump, and the oil transmission of the oil pump should be 3-4 times the maximum injection of the full load. So what are the classifications of oil pump? The oil pump is divided into gear type oil pump, diaphragm type oil pump, plunger type oil pump, pipeline type oil pump and so on.