Multidirectional Hydraulic Bearing With Four-Chamber Damping
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Solution Overview
Problem
Existing multidirectional hydraulic damping bearings are complex and require numerous components, making them costly and difficult to produce while still needing to perform hydraulic damping tasks in multiple working directions.
Innovation Solution
A multidirectional hydraulic damping bearing design featuring at least four fluid chambers connected by fluid channels, allowing for hydraulic damping in two main directions (e.g., axial and radial) with a simpler structure and fewer components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a multidirectional hydraulic damping bearing is designed to perform damping tasks in multiple directions (axial and radial), then the damping capability in multiple directions is improved, but the structural complexity and number of components increase significantly
Solution Approach 1:
The patent merges axial and radial damping functions into a single integrated bearing structure. The housing simultaneously forms both axial fluid chambers (for radial damping) and radial fluid chambers (for axial damping), eliminating the need for separate damping components for each direction. The elastomer body integrates multiple damping arrangements that work together to provide multidirectional damping.
Solution Approach 2:
The bearing housing serves multiple functions: it provides structural support, contains both axial and radial fluid chambers, forms fluid channels for hydraulic damping, and integrates mounting features. The elastomer body simultaneously provides radial damping through its material properties and axial damping through its geometric deformation characteristics.
2Reliability
If multiple fluid chambers and fluid channels are added to achieve multidirectional hydraulic damping, then the damping performance is improved, but the manufacturing cost and production difficulty increase
Solution Approach 1:
The bearing is segmented into functional zones within the housing: axial fluid chambers for radial damping, radial fluid chambers for axial damping, and interconnected fluid channels. This segmentation allows each zone to be optimized for its specific damping function while being manufactured as an integrated housing component, reducing assembly steps and production complexity.
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
The bearing achieves effective hydraulic damping in both axial and radial directions with a compact design and reduced component count, enabling cost-effective production and adjustable damping properties.
Implementation Method 1
an elastomer body (3), wherein the elastomer body (3) elastically connects the cage element (4) and the inner element (2) with one another
Implementation Method 2
The fluid can preferably be designed as a damping fluid. The fluid flows via the at least one fluid channel between the fluid chambers connected with one another so that hydraulic damping tasks are performed
Data Source
AI summary
A hydraulic damping bearing comprising an axially extending inner element, an elastomer body, a cage element that is embedded at least in sections in the elastomer body, wherein the elastomer body elastically connects the cage element and the inner element with one another, an outer sleeve that wraps around the inner element, the cage element and the elastomer body, at least a first, a second, a third and a fourth fluid chamber arranged respectively between the outer sleeve and the inner element that are connected by fluid channels. Each of the at least flour fluid chambers is designed and set up in such a manner that, in case of a relative displacement of the inner element and of the cage element in a first direction and of a relative displacement of the inner element and of the cage element in a second direction, it is involved in performing damping tasks.