Fiber Optic Transition Assemblies Strain Relief Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fiber optic transition assemblies face challenges with strain issues and inadequate sealing, leading to significant losses during deployment and environmental exposure in outdoor environments.
Innovation Solution
The proposed fiber optic transition assembly includes a drop cable with an outer jacket, furcation cables, biasing members, and a transition member with connectors, which provides improved strain relief and sealing features through the use of biasing members and adhesives to protect optical fibers from environmental factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If known transition assemblies are used to split optical fibers in drop cables, then the fiber optic network can provide access to end users, but strain issues occur resulting in significant losses during transmission tests with applied loadings
Solution Approach 1:
The patent applies beforehand cushioning by incorporating strain relief features into the transition assembly before deployment. The flexible membrane and sealing structure are pre-configured to absorb and distribute mechanical stresses, protecting the optical fiber connections from strain-induced losses during transmission tests and outdoor deployment.
Solution Approach 2:
The patent employs composite materials by combining the flexible membrane with adhesive materials to create a unified sealing structure. This composite approach provides both mechanical flexibility for strain relief and adhesive bonding for environmental sealing, simultaneously improving transmission reliability and strain resistance.
2Reliability
If known transition assemblies are used to split optical fibers in drop cables, then the fiber optic network can provide access to end users, but the sealing is inadequate leading to environmental damage
Solution Approach 1:
The patent applies flexible shells and thin films by using a flexible membrane that can conform to the transition assembly structure while providing environmental sealing. This flexible membrane acts as a protective barrier against environmental factors such as moisture and contaminants, improving environmental protection without compromising the assembly's flexibility.
Solution Approach 2:
The patent uses an adhesive material as an intermediary between the flexible membrane and the transition assembly components. This adhesive mediator ensures proper bonding and sealing, creating an effective barrier against environmental exposure while maintaining the structural integrity of the assembly.
3Ease of manufacture
If transition assemblies are used to deploy drop cables in outdoor environments, then fiber optic access can be established, but the assembly requires environmental sealing and rodent resistance which increases complexity
Solution Approach 1:
The patent applies merging by combining the sealing function and strain relief function into a single integrated flexible membrane structure. This unified design provides both environmental sealing and mechanical protection without requiring separate complex sealing components, thereby reducing overall device complexity while maintaining ease of manufacture and deployment.
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 effectively reduces strain-related losses and enhances environmental sealing, making the assembly more reliable and durable for outdoor deployment.
Implementation Method 1
a biasing member surrounding a portion of the furcation cable and configured to bias the adhesive material to form an environmental seal between the transition member and the furcation cable
Implementation Method 2
an adhesive material disposed within the transition member and surrounding a portion of the furcation cable
Data Source
AI summary
A fiber optic transition assembly includes a drop cable including a plurality of optical fibers and an outer jacket. The assembly further includes a plurality of furcation cables, each of the plurality of furcation cables surrounding an extended portion of one of the plurality of optical fibers. The assembly further includes a plurality of biasing members, each of the plurality of biasing members surrounding a first end portion of each of the plurality of furcation cables. The assembly further includes a transition member defining an interior, wherein a second end of the outer jacket and first ends of each of the plurality of furcation cables are disposed within the interior, each of the plurality of biasing members is at least partially disposed within the interior, and the plurality of optical fibers extend from the outer jacket to the furcation cables within the interior.