Refrigerated Trailer Condenser Guard Rails for Door Damage Protection
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Solution Overview
Problem
Refrigeration unit access doors in refrigerated trailers are highly susceptible to damage due to their exterior location, rendering maintenance and repair challenging.
Innovation Solution
A protection rail system comprising horizontal and vertical rails, end caps, and advertisement plaques, made from materials like schedule 40 steel, is designed to be universally adaptable and securely fastened to the refrigeration unit, providing comprehensive protection and additional revenue opportunities through advertising.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the refrigeration unit access doors are placed on the exterior of the trailer, then maintenance and repair access is improved, but the doors become highly susceptible to damage
Solution Approach 1:
The patent introduces a protective rail system as an intermediary element between external objects and the refrigeration unit access doors. The rail assembly, comprising vertical and horizontal rails forming a cage-like structure, acts as a mediator that absorbs or deflects impact forces before they reach the doors, thereby protecting the doors while maintaining exterior placement for maintenance access
2Object-affected harmful factors
If a protective structure is added to shield the refrigeration unit, then damage protection is improved, but device complexity increases
Solution Approach 1:
The protective structure is segmented into modular components including vertical rails, horizontal rails, and end caps that can be independently manufactured and assembled. This segmentation reduces overall complexity by allowing standardized parts to be combined in a systematic arrangement rather than creating a monolithic complex structure
Solution Approach 2:
The protective rail system is designed with universal adaptability to accommodate different refrigeration unit configurations and trailer types. The standardized rail dimensions and attachment mechanisms allow the same basic structure to serve multiple protection functions while simplifying the design process through reuse of proven components
Data Source
AI summary
A refrigeration trailer condenser protection apparatus having a pair of front rails with connection rods disposed thereon for connecting a street side bracket and a curb side bracket, the street side bracket and curb side bracket having mounting holes for mounting the protection apparatus to a lower side of the condenser unit.