Service Vehicle Cooling Assembly with Engine-Side Air Barrier
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Solution Overview
Problem
Service vehicles face challenges in cooling performance due to hot air being drawn into the cooling package from components like engines, and the bulky design of existing cooling packages that require considerable space, which is often limited on these vehicles.
Innovation Solution
A cooling assembly with a frame having a bottom, top, and four side faces, where three side faces are equipped with coolers and one side face adjacent to the engine features a barrier element to restrict air from being drawn through, improving cooling performance and allowing for a more compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If coolers are placed on all four side faces of the cooling package, then cooling capacity is improved, but the design becomes bulky and requires considerable space
Solution Approach 1:
The patent applies local quality by placing coolers only on three specific side faces (front, rear, and one lateral face) rather than uniformly on all four faces. This selective placement optimizes cooling capacity for the most critical heat-generating components while reducing the overall volume requirement of the cooling package, making it suitable for space-constrained service vehicles.
2Reliability
If air is drawn from all four side faces of the cooling package, then cooling effectiveness is improved, but hot air from the engine may be drawn in reducing overall cooling performance
Solution Approach 1:
The patent applies local quality by enabling selective air intake from three specific side faces while blocking the fourth face adjacent to the engine. This localized air intake strategy ensures that cool ambient air is drawn from areas away from the engine, preventing hot air contamination while maintaining effective cooling of the coolers.
Solution Approach 2:
The patent segments the air intake function by dividing the four side faces into three active intake faces and one blocked face. This segmentation allows the system to selectively intake air from favorable locations while excluding the harmful hot air source near the engine, thereby maintaining high cooling effectiveness without compromising performance.
3Object-affected harmful factors
If a barrier element is added to block air intake from the engine-adjacent side face, then hot air intake is prevented, but device complexity increases
Solution Approach 1:
The patent extracts the air blocking function by introducing a separate barrier element that can be selectively positioned on the engine-adjacent side face. This extracted blocking component prevents hot air intake from the engine area while maintaining the simplicity of the overall cooling package structure, as the barrier can be a standalone element rather than a complex integrated design.
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 enhances cooling performance by preventing heated air from entering the system and allows for a more compact, lightweight cooling package that can be easily installed in space-constrained environments, improving overall efficiency and usability.
Implementation Method 1
A fan is mounted on a top face of the cooling package for cooling fluids running through the coolers by drawing cool ambient air from around the cooling package
Implementation Method 2
These components require cooling by means of heat exchange with suitable radiators or other coolers based on the type of the components
Data Source
AI summary
A cooling assembly, for a service vehicle, includes a frame arranged to define an internal cavity, with the frame having six faces: a bottom face, a top face, and four side faces. The first face is configured to be mounted on the service vehicle. Three of the four side faces are each configured to have at least one cooler mounted thereon. A remaining one of the four side faces is positioned facing an engine of the service vehicle and has a barrier element to restrict drawing air through the remaining one of the four faces.