Rapid Compression-Expansion Machine for Marine Engine Simulation

The patent applies parameter changes by rapidly varying the compression ratio during the test cycle. The compression ratio is changed from a fixed value to a time-varying parameter, allowing the apparatus to simulate different combustion chamber conditions. This enables the small-cylinder apparatus to replicate the thermodynamic states of large marine engines through dynamic parameter adjustment rather than physical scaling

The patent implements dynamics by introducing rapid compression and expansion cycles that dynamically adjust the cylinder pressure and temperature conditions. The system transitions from static test conditions to dynamic conditions where pressure, temperature, and volume change rapidly during each cycle, allowing simulation of different engine operating states within a single apparatus

The patent applies universality by designing a multi-injector assembly where each injector can handle different fuel types and pressure ranges. The system integrates multiple injection functions (different fuels, different pressures, different injection timings) into a single coordinated assembly, allowing the apparatus to test various fuel injection scenarios without requiring separate dedicated systems for each fuel type

The patent implements segmentation by dividing the injection system into multiple independent injector units. Each injector can be independently controlled and configured for specific fuel types and pressure requirements. This modular segmentation allows flexible combination of different injection configurations to match various marine engine fuel injection patterns

The patent applies periodic action by using rapid cyclic compression and expansion that repeatedly creates high temperature and pressure conditions for short durations. Instead of maintaining continuous high energy states, the system periodically generates extreme conditions only when needed for measurement, then rapidly returns to lower energy states, reducing overall energy consumption while maintaining measurement capability

The patent implements skipping by rapidly passing through the high temperature and pressure state during each compression cycle. The system quickly reaches peak conditions for measurement, then rapidly expands and returns to ambient conditions, minimizing the time spent in high-energy states. This 'rush through' approach reduces energy consumption and safety risks compared to maintaining sustained high-energy conditions