Efficient oil return hydraulic filter element

• Main Authors: CHEN QINGHUA, CHEN JIAN, HU JING, GONG YUPENG, ZHENG QIKANG
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2021
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to an efficient oil return hydraulic filter element which comprises a wire mesh, end covers are arranged at two ends of the wire mesh, the efficient oil return hydraulic filter element is characterized in that a composite filter material is arranged in the wire mesh, the composite filter material comprises an optimized element drainage layer, and an upstream protection layer is arranged between the optimized element drainage layer and the wire mesh. A main filtering layer is arranged between the upstream protection layer and the wire mesh, a pre-filtering layer is arranged between the main filtering layer and the upstream protection layer, a downstream protection layer is arranged between the main filtering layer and the wire mesh, and an integrated drainage layeris arranged between the downstream protection layer and the wire mesh. The efficient oil return hydraulic filter element has the advantages that the efficient oil return hydraulic filter element is provided, multiple layers