How does the automobile oil filter work? Why are some on top, some below?.
Unfiltered oil from the blue arrow into the hole into the filter, the first to reach the first stop: check valve (red rubber pad below the oil inlet hole under check valve is said) do not think that is what the mechanical device is actually a rubber pad, when the oil back it will plug into the hole.
The importance of this lack of oil is taken into account in the design of continuous machines
Here with a cold start point of the once hot start to discuss: oil prelube (oil after the ignition time is needed to reach the application position).
The function of the check valve is to install the engine in the upper part or side of the engine to prevent the engine from returning after the flameout of the engine, resulting in lack of oil in the engine (causing the engine to start running short of oil).
The working process of filter (filter components function) green arrow is what we usually see is kind of outer ring (long and short generally have 4-6 eyes), this is the filter oil inlet hole (unfiltered oil enters the filter)
