HVAC Compressor Pressure Prediction Without Transducers

The patent replaces mechanical pressure transducers with an electronic control system that uses mathematical models and readily available sensor data (voltage, current, temperature) to calculate and predict compressor pressures. This substitution eliminates the need for complex mechanical sensing devices while maintaining pressure prediction capability.

The patent creates a virtual model of the compressor system that replicates pressure behavior through computational algorithms. Instead of physically measuring pressure with transducers, the system creates a digital copy of the pressure characteristics using established thermodynamic relationships and empirical data.

The patent replaces expensive pressure transducer hardware with a software-based calculation system that uses inexpensive or already-present sensors (voltage, current, temperature) to derive pressure information through computational methods.

The patent uses low-cost computational algorithms and readily available sensor data instead of expensive, delicate pressure transducers. The virtual pressure measurement system is inexpensive to implement and maintain compared to physical transducer assemblies.

The patent implements continuous monitoring and calculation of compressor pressure parameters even during variable capacity operation. The control system constantly computes suction and discharge pressures using mathematical models, providing ongoing diagnostic feedback that enables early detection of problems regardless of the compressor's operating cycle pattern.

The patent performs preliminary diagnostic assessments by continuously calculating pressure trends before actual compressor failures occur. The system monitors pressure parameters in advance, allowing predictive maintenance and early intervention even when the compressor operates in shortened cycles.