Compressor Heat-Flow Reduction in Vehicle Compressed-Air Systems
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Solution Overview
Problem
Modern rail vehicle compressors face challenges in maintaining efficient compression with minimal heating, as water cooling systems are not feasible due to additional component requirements, necessitating an air-cooled solution.
Innovation Solution
A compressor design with integrated heat flow reduction devices, including air gaps, thermal insulation materials, and optimized chamber configurations to minimize heat transfer between components and air, eliminating the need for separate cooling systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a water cooling system is used to minimize heating during compression, then compression efficiency is improved, but device complexity and cost increase due to additional components
Solution Approach 1:
The invention extracts the cooling function from a separate water cooling system and integrates it directly into the compressor structure through cooling channels formed in the cylinder head and cylinder bore, eliminating the need for external cooling systems while maintaining effective heat removal during compression
Solution Approach 2:
The cooling function is merged with the structural components of the compressor by forming cooling channels directly within the cylinder head and cylinder bore, combining the compression and cooling functions into a single integrated structure that reduces component count while maintaining effectiveness
2Loss of energy
If a water cooling system is installed in rail vehicles, then compression efficiency is improved, but installation cost and system outlay increase
Solution Approach 1:
The compressor structure itself provides the cooling function through integrated cooling channels in the cylinder head and cylinder bore, allowing the system to cool the compressed air without requiring external water cooling infrastructure, thereby reducing installation cost and system outlay for rail vehicle applications
3Temperature
If cooling channels are integrated into the cylinder head and cylinder bore, then heat removal efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The invention uses laser drilling technology to create cooling channels directly in the cylinder head and cylinder bore, utilizing a process that can create complex channel geometries through material removal rather than traditional machining, thereby improving heat removal efficiency while managing manufacturing complexity through advanced manufacturing techniques
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 design achieves efficient compression with reduced heating, minimizing thermal loading on components and enabling cost-effective operation without additional cooling systems.
Implementation Method 1
a first air gap being configured between two opposite surfaces of the outlet chamber wall and the inlet chamber wall
Data Source
AI summary
A compressor for providing compressed air for a vehicle compressed air system has an inlet chamber formed by an inlet chamber wall and provided with an inlet opening for taken-in air, and an outlet chamber defined by an outlet chamber wall and provided with an outlet opening for air compressed by the compressor. Furthermore, the compressor has a heat flow reduction device which is designed to reduce at least one of a heat flow from a component, connected to the inlet chamber wall, of the compressor to the taken-in air in the inlet chamber and a heat flow from the compressed air in the outlet chamber to a component, connected to the outlet chamber wall, of the compressor.