Roll Stabilizer Bar Arc-Bore Layout for More Spring Rate Settings
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Solution Overview
Problem
Existing roll stabilizers for vehicles have limited adjustable spring rates and complex conversion processes, which restrict the number of settable spring rates and result in increased component weight.
Innovation Solution
The stabilizer bar features at least two bores arranged on a circle arc with a constant lever arm length, allowing for mirror-symmetric, non-corresponding connections to achieve multiple spring rates without additional spring rates, enabling simpler adjustments and reduced weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If three bores are arranged in a line in the axial direction of the stabilizer bar for connection to the vehicle chassis, then several different spring rates can be set, but the number of settable spring rates is limited and conversion complexity increases
Solution Approach 1:
The bores are arranged on a circle arc instead of a straight line, with the center point of the circle arc located at the pivot point of the suspension-side connecting point. This curved arrangement allows mirror-symmetric non-corresponding bores to be connected without cross-mounting the stabilizer bar, thereby increasing the number of settable spring rates while simplifying the conversion process.
2Adaptability or versatility
If more different spring rates are provided, then vehicle stability can be optimized for different conditions, but component weight increases
Solution Approach 1:
The connecting portion is segmented into multiple bores arranged on a circle arc, allowing different connection points to be selected for different spring rates. This segmentation enables multiple spring rate settings using a single stabilizer bar component without requiring additional weights or complex adjustment mechanisms, thereby providing adaptability while controlling component weight.
Data Source
AI summary
A roll stabilizer in the form of a stabilizer bar which has a connecting portion at each end. The connecting portion is configured such that at least two bores are arranged on a circle arc. The center point of the circle arc constitutes the upper pivot point of the connecting element.