Exhaust Isolator Bracket Preventing Rotation
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Solution Overview
Problem
Conventional exhaust system isolator mounting configurations require multiple hangers, which can be inefficient and reduce durability, especially when vehicles lack sufficient stiff and rigid body portions for mounting, and often necessitate heavy and labor-intensive installations.
Innovation Solution
An isolator mounting apparatus featuring an elastomeric isolator element with apertures and a bracket with flanges and a neck portion, secured via fasteners, allowing for single-hanger support and improved thermal clearance, structural strength, and serviceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple hangers are used to support the exhaust component, then the structural strength and stability are improved, but the device complexity and installation labor increase
Solution Approach 1:
The patent combines multiple hanger functions into a single integrated isolator bracket assembly. The bracket incorporates multiple mounting points and isolator elements that collectively provide the structural support previously requiring separate hangers, thereby reducing component count while maintaining strength
Solution Approach 2:
The isolator bracket serves multiple functions simultaneously: it provides structural support, thermal isolation, vibration damping, and positioning. This multi-functional design replaces the need for multiple specialized hangers, reducing overall system complexity while maintaining or improving structural performance
2Stability of the object's composition
If multiple hangers are used to support the exhaust component, then the stability is improved, but the installation time and labor requirements increase
Solution Approach 1:
By merging multiple hanger functions into a single bracket assembly, the installation process is simplified from multiple separate mounting operations to a single integrated installation, reducing time and labor while maintaining stability through the combined structural support of multiple isolator elements
Solution Approach 2:
The isolator bracket is pre-assembled with multiple isolator elements and mounting features before vehicle installation. This preliminary preparation allows for quick installation as a single unit rather than requiring sequential assembly of multiple hangers during the installation process
3Area of stationary object
If the hanger is positioned close to the exhaust component for compact mounting, then the space utilization is improved, but the isolator element is damaged by heat from the exhaust component
Solution Approach 1:
The isolator bracket acts as an intermediary component between the exhaust component and the isolator element. It provides thermal isolation and maintains appropriate spacing, protecting the isolator element from direct heat exposure while enabling compact overall mounting configuration
Solution Approach 2:
The elastomeric isolator elements provide thermal insulation through their material properties, creating a thermal barrier that protects against heat from the exhaust component while maintaining the compact mounting arrangement
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 solution enables efficient heat dissipation, enhanced durability, and reduced installation complexity by using a single hanger to support exhaust components, while maintaining structural integrity and longevity of the elastomeric isolator.
Implementation Method 1
efficient heat dissipation
Implementation Method 2
efficient heat dissipation
Implementation Method 3
elastomeric isolator element
Implementation Method 4
isolator used to isolate an exhaust component
Data Source
AI summary
An isolator mounting apparatus for supporting an exhaust component from a body portion of a vehicle via a hanger comprises an elastomeric isolator element having at least one aperture for receiving a portion of the hanger. An isolator bracket for receiving and supporting the isolator element includes a neck portion extending therefrom. A mounting element includes a pair of flanges. The flanges are secured to the isolator bracket with a fastener extending along longitudinal axis. The flanges engage the neck portion and prevent rotation of the isolator bracket about the longitudinal axis.