A double cylinder straight return oil filter
By designing a dual-cylinder direct-return oil filter, a differential pressure transmitter and bypass valve are used to achieve filter element replacement without downtime, solving the problem of filter element replacement requiring downtime in existing technologies, and realizing continuous operation of the hydraulic system and oil cleanliness.
CN224533157UActive Publication Date: 2026-07-21XUZHOU ZHONGYE FILTRATION TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUZHOU ZHONGYE FILTRATION TECH CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
In existing technologies, replacing filter elements requires shutting down the hydraulic system, resulting in low operational efficiency.
Method used
A dual-cylinder direct-return oil filter is designed, which uses a differential pressure transmitter to monitor filter cartridge blockage and utilizes a reversing handle and bypass valve to replace the filter element without stopping the machine. The alternating use of the reversing valve and filter cartridge ensures continuous oil filtration.
Benefits of technology
It enables filter element replacement without shutting down the hydraulic system, ensuring continuous operation of the hydraulic system, keeping the oil clean, and improving work efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224533157U_ABST
Abstract
The utility model belongs to filter technical field, concretely relates to a double cylinder straight return type oil filter, the utility model discloses a first filter cartridge, second filter cartridge and reversing valve, first filter cartridge with second filter cartridge all are connected with reversing valve through connecting pipeline, be equipped with oil inlet pipe and oil outlet pipe on reversing valve, just install pressure difference transmitter between oil inlet pipe with oil outlet pipe, pressure difference transmitter is used for giving out demonstration warning when the filter cartridge inside occurs the blockage, be equipped with reversing handle on reversing valve, when using, this reversing handle is used for adjusting first filter cartridge or second filter cartridge operation, the utility model discloses utilizing reversing handle can adjust first filter cartridge or second filter cartridge operation, further can replace filter core under the condition that hydraulic system does not stop in the pressure difference transmitter gives out the blockage demonstration warning, is applicable to the hydraulic system oil filter of continuous work.
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