Vibration Damper Restriction With Pivoting Annular Legs
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Solution Overview
Problem
Existing damping valve devices with radially elastic annular elements face challenges in adapting to changing flow situations and are affected by temperature and aging, leading to inconsistent performance due to the influence of radial elasticity.
Innovation Solution
The use of an annular element with at least two movable legs supported around a pivot bearing, which allows for precise adaptation of the trigger point and damping force characteristics, minimizing the impact of temperature and aging, and optimizing the pivot bearing design to reduce production errors and installation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a radially elastic annular element with a single slit is used, then the structure is simple, but the trigger point and damping force characteristic cannot be adapted precisely and are affected by temperature and aging
Solution Approach 1:
The annular element is divided into multiple legs (at least two) that can pivot independently around a pivot bearing. This segmentation eliminates the influence of radial elasticity on the overall structure, allowing each leg to be precisely controlled and positioned, thereby enabling accurate adaptation of the trigger point and damping force characteristics without being affected by temperature and aging
Solution Approach 2:
The invention changes the fundamental parameter of the annular element from radially elastic to rigid with pivotable legs. This parameter change eliminates the temperature and aging dependencies associated with elastic materials while maintaining the ability to control the expansion behavior and restriction cross-section through precise mechanical positioning of the legs
2Area of stationary object
If the pivot bearing is formed in the area of overlap with legs, then the installation space is minimized, but the alignment precision may be affected
Solution Approach 1:
A separate bearing pin is introduced as an intermediary element to form the pivot bearing. The bearing pin is received in a receiving opening in the support within the overlap area of the legs, providing a defined and precise bearing location. This intermediary element ensures high alignment precision while maintaining compact installation space, as the bearing pin can be precisely manufactured and fitted into the overlapping region
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enhances the functional quality of damping valve devices by improving reaction speed and minimizing the effect of temperature and aging, while allowing for precise control of the annular element's expansion behavior to maintain a consistent damping effect.
Implementation Method 1
an annular element (35) with at least two legs (63, 65), which are supported so as to be movable around a pivot bearing (67)
Implementation Method 2
the influence of the radial elasticity is eliminated
Data Source
AI summary
A restriction for a vibration damper, comprising an annular element with variable diameter which is supported by a support and which occupies a restriction position depending on a flow velocity of a damping medium within the restriction proceeding from an open position through a radial closing movement in direction of a flow guiding surface. The annular element has at least two legs supported so as to be movable around a pivot bearing.