Shock absorber

By using hydraulic piston mechanism to transmit torque in the vibration damper, the problem of difficult balance between vibration damping performance and impact resistance of existing vibration dampers is solved, and efficient torque transmission and vibration damping effect is achieved, simplifying the structure and reducing costs.

CN222633735UActive Publication Date: 2025-03-18SCHAEFFLER TECHNOLOGIES AG & CO KG
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Patent Information

Application Number
CN202421061527.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-03-18
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

Existing shock absorbers are difficult to balance between improving vibration damping performance and impact resistance, and their torque transfer capabilities are limited, so torque limiters are required, which increases structural complexity and production costs.

Method used

The hydraulic piston mechanism is adopted to compress the hydraulic fluid through the piston to transmit torque. The compressibility of the hydraulic fluid is used to buffer the torque vibration, ensuring good vibration damping effect and high torque transfer ability, avoiding the need to set a torque limiter.

Benefits of technology

It achieves good vibration damping effect and high torque transfer capability, simplifies the vibration damper structure and reduces production costs.

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Abstract

The utility model relates to a shock absorber. The shock absorber includes a first rotating member and a second rotating member rotatable relative to each other about a central axis. Wherein the first rotating part comprises one or more guide profiles facing the second rotating part, the second rotating part comprises one or more hydraulic chambers for containing hydraulic fluid, the shock absorber further comprising one or more pistons, each piston being movably mounted in a respective hydraulic chamber and abutting a respective guide profile, the first rotating component and the second rotating component can transmit torque to each other by compressing hydraulic fluid in the one or more hydraulic cavities through the one or more pistons. The shock absorber provided by the utility model has an improved structure.
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