Suction filter for improving pressure pulse

The utility model provides a suction filter for improving pressure pulse, which comprises a shell provided with a filter containing cavity, a liquid inlet and a liquid outlet are arranged on the shell, the filter containing cavity is of a vertically arranged strip-shaped structure, a filter element body used for intercepting particles in engine oil is arranged in the shell, the filter element body is positioned at the bottom of the shell, and the liquid inlet and the liquid outlet are communicated with the filter element body. The liquid inlet is formed in the top of the shell, and the liquid outlet is formed in the bottom of the shell; at least two partition plates are arranged in the middle of the filtering containing cavity, the partition plates are used for vertically partitioning the filtering containing cavity, and through holes are formed in the partition plates. When the transmission starts to work, oil sucked in from a mechanical pump enters the filtering containing cavity through the liquid inlet an