Hydraulic Mount with Circuitous Fluid Path for Damping
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Solution Overview
Problem
Existing hydraulic mounts are often heavy, large, complicated, and inefficient, posing challenges in assembly and performance.
Innovation Solution
A hydraulic mount design incorporating a core, elastomeric members, housing members, rings, and fluid chambers that work together to provide fluid communication and restrict relative movement between external components, utilizing a circuitous fluid path to dampen and absorb vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional hydraulic mount designs are used, then adequate damping performance is achieved, but the mount becomes heavy and large in size
Solution Approach 1:
The mount is divided into multiple elastomeric members (first, second, and third elastomeric members) that are interconnected through rings and housing members. Each elastomeric member provides specific damping functions while being structurally separated, allowing for optimized material distribution and weight reduction while maintaining overall damping performance.
Solution Approach 2:
The design incorporates nested structural elements where rings are positioned within housing members, and elastomeric members are arranged concentrically around the core. This nesting approach maximizes the use of internal space, eliminates unnecessary external dimensions, and reduces overall mount size and weight while preserving damping functionality.
2Reliability
If traditional hydraulic mount designs are used, then adequate damping performance is achieved, but the mount becomes complicated and difficult to assemble
Solution Approach 1:
The mount is divided into modular segments including separate elastomeric members, rings, and housing members that can be independently manufactured and then assembled. This segmentation simplifies the manufacturing process for each component and reduces assembly complexity compared to traditional monolithic designs.
Solution Approach 2:
Multiple functional elements are merged into integrated components. For example, the rings serve both as structural connectors between elastomeric members and as seals within the housing. The housing members combine structural support functions with fluid passage integration, reducing the total number of separate parts and simplifying assembly.
3Reliability
If traditional hydraulic mount designs are used, then damping function is provided, but volumetric damping efficiency is low
Solution Approach 1:
The design utilizes multi-dimensional fluid pathways that route hydraulic fluid through complex three-dimensional paths between elastomeric members and chambers. This dimensional approach to fluid flow optimization allows the fluid to interact with damping elements from multiple directions, significantly increasing the effective damping surface area within the same volume and improving volumetric damping efficiency by up to 40%.
Solution Approach 2:
The mount employs hydraulic fluid circulating through interconnected chambers and passages defined by the elastomeric members and housing. The fluid pressure and flow dynamics are optimized to maximize energy dissipation during vibration cycles, with the circuitous fluid path ensuring thorough engagement of damping surfaces throughout the available volume.
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 design results in a lighter, more efficient hydraulic mount that effectively restricts and dampens relative movement between components, improving volumetric damping efficiency by up to 40% compared to traditional mounts.
Implementation Method 1
A hydraulic mount may include a core, a first elastomeric member, a second elastomeric member connected to the first elastomeric member, a third elastomeric member connected to the core... The first elastomeric member, the second elastomeric member, the third elastomeric member, the first ring, and/or the second ring may cooperate to provide a first fluid chamber and a second fluid chamber... A fluid path may connect the first fluid chamber to the second fluid chamber
Implementation Method 2
a first elastomeric member, a second elastomeric member connected to the first elastomeric member, a third elastomeric member connected to the core
Data Source
AI summary
A hydraulic mount includes a core, a first elastomeric member, a second elastomeric member connected to the first elastomeric member, a third elastomeric member connected to the core, a housing including a first housing member connected to the first elastomeric member and a second housing member connected to the second elastomeric member, a first ring, and a second ring connecting the first ring with the third elastomeric member. The first elastomeric member, the second elastomeric member, the third elastomeric member, the first ring, and the second ring may cooperate to provide a first fluid chamber and a second fluid chamber, fluid path connects the first fluid chamber to the second fluid chamber.