False Rear Bulkhead Drainage for Cleaner Tank Trailers
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Solution Overview
Problem
Tank trailers face issues with precipitation accumulation leading to weight displacement, corrosion, and aesthetically displeasing stains, with existing drainage systems often becoming obstructed and prone to freezing, which can contaminate loads and create public safety concerns.
Innovation Solution
A false bulkhead assembly is introduced to conceal and drain precipitation externally, featuring a drainage system with upper and lower openings and a removable false bulkhead made of different materials, such as aluminum and stainless steel, to direct precipitation away from the trailer's interior and prevent unwanted stains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If drain tubes are routed internally through the load-carrying interior compartments or wrapped around the exterior skin, then drainage function is provided, but the drain tubes become obstructed by debris, vegetation, snow, or ice
Solution Approach 1:
The drainage system is extracted from the interior compartments and repositioned to drain externally behind the rear bulkhead. The false bulkhead creates an exterior drainage path that separates the drainage function from the load-carrying interior, eliminating obstruction risks from debris and vegetation while maintaining drainage reliability.
Solution Approach 2:
The false bulkhead acts as an intermediary structure that redirects drainage flow from the interior to the exterior. It creates a separate drainage pathway behind the rear bulkhead, serving as a mediator between the interior drainage needs and exterior discharge requirements, thereby preventing obstruction issues.
2Reliability
If drain tubes are provided to drain precipitation, then accumulation is reduced, but the tubes may freeze causing cracking or bursting that contaminates the load
Solution Approach 1:
The drainage system is extracted from the temperature-sensitive interior environment and repositioned to drain externally behind the rear bulkhead. This external positioning removes the drainage path from the risk of freezing temperatures that could cause tube bursting and load contamination.
Solution Approach 2:
The false bulkhead serves as an intermediary that creates a protected exterior drainage pathway behind the rear bulkhead. This intermediary structure allows drainage to occur in a location less susceptible to freezing temperatures, preventing the harmful effects of ice formation on drainage tubes.
3Reliability
If precipitation drains onto the exterior surface of the trailer, then accumulation is relieved, but unwanted stains or grime build up on the trailer body
Solution Approach 1:
The drainage discharge location is moved from the vertical exterior surface to the horizontal ground plane. By directing drainage behind the rear bulkhead to the ground, the system eliminates the staining problem on the trailer body while maintaining effective precipitation relief.
Solution Approach 2:
The harmful staining effect is extracted from the trailer body surface by redirecting the drainage discharge location. The false bulkhead enables drainage to be discharged behind the rear bulkhead onto the ground rather than onto the visible exterior surface, eliminating the aesthetic harm.
4Object-generated harmful factors
If a false bulkhead is introduced to conceal drainage, then appearance is improved, but device complexity increases
Solution Approach 1:
The false bulkhead is designed to serve multiple functions: it conceals the drainage system to improve appearance, provides structural support, and creates the exterior drainage pathway. By combining these functions in a single component, the complexity increase is minimized while achieving aesthetic improvement.
Data Source
AI summary
A tank vehicle for concealing drainage and emitting light for travel. The tank vehicle includes a main body that has a front bulkhead, a rear bulkhead opposite to the front bulkhead, an exterior wall operably engaged with the front bulkhead and the rear bulkhead, and at least one interior chamber defined collectively by the front bulkhead, the rear bulkhead, and the exterior wall and adapted to carry a load. The tank vehicle also includes a false bulkhead that is removably engaged with the main body and is located a distance away from one of the front bulkhead and the rear bulkhead. The tank vehicle also includes a rear lighting assembly that operably engages with one of the rear bulkhead and the false bulkhead. The main body is also capable of concealing drainage of precipitation exterior to the at least one interior chamber between the rear bulkhead and the false bulkhead.