A valve for controlling the opening and closing of a hydraulic oil passage on an automobile active suspension system

By combining intermittent rotation and magnetic adsorption mechanisms in the valve design of the automotive active suspension system, the problem of poor filter performance has been solved, achieving efficient oil filtration and extended filter life, while improving system stability and response speed.

CN122407722APending Publication Date: 2026-07-17QINGDAO CARFLEX AUTO PARTS CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO CARFLEX AUTO PARTS CO
Filing Date
2026-06-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The filters in existing automotive active suspension systems are not performing well during use, and some contaminants are not captured, resulting in insufficient oil cleanliness and affecting system performance.

Method used

Design a valve for an active suspension system for automobiles, which combines an intermittent rotation mechanism and an adsorption mechanism to achieve dual filtration through magnetic pre-adsorption and intermittent rotation of the filter element, ensuring uniform oil distribution and full utilization of the filter material surface.

Benefits of technology

It effectively extends filter life, reduces the risk of clogging, improves oil cleanliness, and ensures system stability and response speed.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种用于汽车主动悬架系统上控制液压油路通断的阀门，涉及阀门技术领域，包括比例阀、进油管和出油管，所述比例阀顶端的两侧分别固定有进油管和出油管，所述比例阀的一侧设置有制拦截箱，且制拦截箱的顶端固定有制动主泵接油管。本发明通过磁性吸附去除金属颗粒，再经滤芯拦截非金属杂质，降低其负荷，以实现双重过滤保障目的，同时通过间歇旋转机构驱动滤芯进行周期性转动，能够改善液压油在滤芯上的分布均匀性，充分利用滤材全表面，延长滤芯寿命，进一步的在滤芯间歇旋转基础上，通过吸附机构能够对油液中的金属杂质进行预过滤，有效提高对杂质的拦截效果。
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