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Electric gas pump
Electric gasoline pump, not driven by the camshaft, and by electromagnetic force repeatedly pump membrane. This electric pump, the freedom to choose the installation location, and to prevent air resistance phenomenon.
The main installation type of electric gasoline pump for gasoline injection engine is installed in the fuel supply pipe or in the fuel tank. The former layout of a larger range, do not need special design gas tank, easy installation and removal. However, long suction pump section, easy to produce air resistance, noise is also larger, in addition to require the pump must not be divulged, the current new vehicles have been less used this type. The latter fuel pipeline is simple, low noise, less fuel leakage is not high, is the current main trend.
At work, the flow of the petrol pump should provide sufficient return flow to ensure that the pressure of the fuel system is stable and sufficient cooling, in addition to providing the necessary fuel for running the engine.