Truncated Conical Supercharger with Segmented Compressor Wheels
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing superchargers face issues with noise, heat generation, detonation tendency, and inefficiency, which affect engine performance and environmental impact.
Innovation Solution
A supercharger design featuring a truncated conical housing with multiple rotatable shafts and compressor wheels, where each compressor wheel has a tapering outer ring and blades, optimized to minimize parasitic losses and maximize efficiency, reducing heat and noise while improving air or water compression.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional supercharger designs are used, then air compression function is achieved, but noise and heat generation increase
Solution Approach 1:
The supercharger is divided into multiple independent compressor stages (first compressor, second compressor, third compressor) arranged in series along the air flow path. Each compressor stage independently compresses the air, allowing for distributed work that reduces heat generation per stage and lowers overall noise levels compared to a single-stage design.
Solution Approach 2:
The compressors are arranged axially in series along the length of the housing rather than radially or in parallel. This axial series arrangement allows air to progressively compress through multiple stages while maintaining a compact overall structure, reducing heat generation through staged compression and minimizing noise through distributed mechanical elements.
2Productivity
If compression ratio is increased to improve efficiency, then air density increases, but heat generation and detonation tendency increase
Solution Approach 1:
The total compression ratio is distributed across multiple compressor stages. Each stage achieves a moderate compression ratio, preventing excessive temperature rise in any single stage. The air is cooled slightly between stages through the housing structure, further controlling temperature and reducing detonation tendency while maintaining overall high compression efficiency.
Solution Approach 2:
The housing structure acts as an intermediary thermal management system between compressor stages. The housing provides thermal mass and potential cooling passages that absorb and dissipate heat generated during compression, mediating the temperature rise and preventing excessive heat buildup that would lead to detonation.
3Object-affected harmful factors
If multiple compressors are added to reduce heat and noise, then efficiency improves, but device complexity increases
Solution Approach 1:
Multiple compressors are merged into a single integrated housing structure with a unified air inlet and outlet. The compressors share common mounting features and are arranged in a compact axial sequence, reducing the overall footprint and simplifying installation despite having multiple compression stages.
Solution Approach 2:
The compressors are arranged in a nested-like axial sequence within the housing, with each subsequent compressor positioned downstream of the previous one. This compact arrangement maximizes the use of available space and minimizes the overall length of the supercharger assembly, reducing complexity despite multiple stages.
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 results in a quieter, more efficient, and environmentally friendly supercharger that reduces heat detonation, enhances engine efficiency, and improves fuel combustion, while minimizing environmental impact.
Implementation Method 1
Rotation of the first and second shafts causes rotation of the first and second compressor wheels and compression of air (or water) by the supercharger
Implementation Method 2
The first and second compressor wheels each include a tapering outer ring and blades between the outer ring and the first or second shaft, respectively
Data Source
AI summary
Supercharger includes a housing having a truncated conical shape formed by a conical wall with an open, inlet end and an open, discharge end, multiple rotatable shafts each having a forward end in the housing, and a respective compressor wheel attached to the end of each shaft situated in the housing. The compressor wheels each include a tapering outer ring and blades between the outer ring and the respective shaft. One embodiment includes three shafts and three compressor wheels. Rotation of the shafts causes rotation of the compressor wheels and compression of air (or water) by the supercharger with the compressed air (or water) being discharged from the housing at the discharge end.