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Adaptive Performance Across All Operating Conditions
The CVSI Engine incorporates Variable Compression Ratio (VCR) mechanisms that allow the engine to adapt its compression ratio in real-time based on load, speed, and fuel type — maximising efficiency and performance across all driving conditions.
Fig 1. Variable Compression Ratio — Overview
Fig 2. Efficiency Comparison
Fig 3. CVSI Engine Section
* Placeholder diagrams shown. Actual engineering drawings are proprietary and patent-protected.
Section 01
Compression ratio is one of the most fundamental parameters determining engine efficiency. Higher compression ratios yield greater thermodynamic efficiency but risk knock at high loads. Variable Compression Ratio technology breaks this compromise — allowing high compression for efficiency at light loads and lower compression to prevent knock at full power.
Section 02
The CVSI Engine's VCR system is integrated with the RAVIKESH Cycle's combustion management. When running on high-octane fuels or at light loads, the system increases compression ratio toward its upper limit for maximum efficiency. Under heavy loads or when running ethanol blends, the ratio adjusts automatically to maintain optimal combustion without knock.
Section 03
Variable Compression Ratio is key to the CVSI Engine's flex-fuel capability. Different fuels — gasoline, E20, E85 — have different octane ratings and energy densities. The VCR system automatically optimises compression ratio for whichever fuel is being used, ensuring maximum efficiency and performance regardless of fuel blend.
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