Segmented Cooling Jacket for Cylinder Head Heat Dissipation
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Solution Overview
Problem
Internal combustion engines face increased wear and reduced life due to inadequate cooling of engine cylinders, which existing cooling systems fail to address effectively.
Innovation Solution
A cooling jacket design with upper and lower bodies, featuring multiple orifices and passageways that allow for parallel coolant flow paths, enabling efficient heat dissipation and redistribution, and utilizing an electric pump for coolant circulation, ensuring targeted cooling and improved fuel efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional cooling system is used, then the engine structure is simple, but the cooling effectiveness is insufficient leading to increased wear and reduced engine life
Solution Approach 1:
The cooling jacket is divided into an upper body and a lower body with multiple upper portions and lower portions. Each upper portion has top and bottom orifices, and each lower portion has lower orifices aligned with the bottom orifices. This segmentation creates multiple parallel coolant flow paths that improve cooling effectiveness and engine reliability without excessive complexity.
Solution Approach 2:
The cooling system transitions from a single-body design to a two-body design with vertical separation. The upper body fits between the upper and lower ends of the cylinder head while the lower body is located below, creating a three-dimensional cooling structure that enhances heat dissipation efficiency.
2Temperature
If multiple cooling passageways are added to improve heat dissipation, then cooling effectiveness increases, but the manufacturing complexity increases
Solution Approach 1:
The cooling jacket is segmented into upper and lower bodies with multiple portions each. The upper portions contain upper passageways extending from bottom orifices to top orifices, while lower portions contain lower passageways. This segmentation allows for standardized manufacturing of individual portions that can be assembled together, managing complexity while achieving effective multi-path cooling.
Solution Approach 2:
The upper body and lower body are merged through fluid connection via aligned orifices. The bottom orifices of upper portions align with the lower orifices of lower portions, creating integrated parallel coolant flow paths that combine the cooling functions of both bodies into a unified system.
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 cooling jacket effectively dissipates heat generated by combustion, reduces engine wear, and improves fuel efficiency by using parallel coolant flow paths and an electric pump, allowing for efficient thermal management and heat redistribution within the vehicle.
Implementation Method 1
Engine cooling systems provide fluid flow to dissipate and/or reroute this generated heat
Implementation Method 2
coolant flows from that lower portion to the respective one of the upper portions... flows through the upper portion to the top orifice
Implementation Method 3
utilizing an electric pump for coolant circulation, ensuring targeted cooling and improved fuel efficiency
Data Source
AI summary
A cooling jacket for an engine has upper and lower bodies. The upper body includes a plurality of upper portions. Each upper portion has a top orifice and a bottom orifice. The lower body is located below the upper body and includes a plurality of lower portions. Each lower portion has a lower orifice aligned with a respective one of the bottom orifices so as to permit a coolant to flow through the lower orifice and into the bottom orifice. The coolant flows from that lower portion to the respective one of the upper portions. Each upper portion has at least one upper passageway extending through that upper portion from the bottom orifice to the top orifice so that the coolant entering the upper passageway of that upper portion flows through the upper portion to the top orifice.