Compressor module
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Solution Overview
Problem
Refrigerant circuits for motor vehicle air-conditioning systems using R744 refrigerant face challenges in reducing complexity and minimizing the number of components, leading to limited space-saving and cost inefficiencies due to separate housings for components like collectors and heat exchangers.
Innovation Solution
A compressor module with a modular, multi-part housing that integrates the refrigerant compressor, inner heat exchanger, refrigerant collector, and sensors, eliminating the need for separate pressure-resistant housings and reducing the number of individual components and connections, thereby simplifying assembly and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate housings are used for collectors and heat exchangers, then each component can be independently manufactured and maintained, but the overall system complexity increases and space efficiency decreases
Solution Approach 1:
The patent combines the compressor housing with the collector and heat exchanger housings into a single integrated compressor module housing. This merging eliminates the need for separate housings for each component, reducing system complexity while maintaining manufacturing feasibility through modular assembly of the integrated housing structure.
2Ease of manufacture
If separate housings are used for collectors and heat exchangers, then component independence is maintained, but installation space increases
Solution Approach 1:
The patent nests the collector and heat exchanger components within the compressor housing structure. The collector is positioned inside the housing, and the heat exchanger is integrated into the housing walls, allowing multiple components to occupy overlapping or adjacent spaces within the same external envelope, thereby minimizing the overall installation footprint.
3Adaptability or versatility
If multiple separate components are used, then functional flexibility is maintained, but the number of connection elements and assembly steps increases
Solution Approach 1:
The patent merges the collector, heat exchanger, and compressor into a single integrated module with a unified housing structure. This combination reduces the number of external connections and assembly steps required, as components are pre-assembled and sealed together, while maintaining functional flexibility through internal design variations that can accommodate different refrigerant circuit configurations.
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 integrated design reduces system complexity, minimizes installation work and costs, enhances pressure-tightness, and improves lubrication capabilities by integrating components like refrigerant collectors and heat exchangers within the compressor module, resulting in a more efficient and cost-effective refrigerant circuit.
Implementation Method 1
an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module
Implementation Method 2
one refrigerant compressor... displaying one low-pressure refrigerant inlet and one high-pressure refrigerant outlet
Data Source
AI summary
A compressor module for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant outlet and a compressor, characterized in that an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module, wherein the housing of the compressor module fully encloses the inner heat exchanger.