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This patent covers an advanced HVAC system that kills germs and viruses in indoor air using UV-C light technology. The system captures contaminated air near the ceiling, disinfects it with UV light, and returns clean air through the floor, creating separate air zones to prevent disease transmission. It provides a long-term, energy-efficient solution for maintaining healthy indoor air quality without the high costs of traditional filtration methods.
This patent describes an innovative HVAC system that combines thermal displacement ventilation with UV-C light technology to eliminate airborne pathogens like SARS-CoV-2, influenza, and other harmful microorganisms. The system features a ceiling-mounted collection pipe with variable-diameter nozzles that capture contaminated warm air, treat it with UV-C light in the air handler, and return clean air through floor-level diffusers. This creates distinct air zones that prevent cross-contamination while maintaining energy efficiency. The technology offers significant commercial advantages over traditional HVAC filtration systems by avoiding the high energy costs and equipment strain associated with HEPA filters. The system achieves a 4-log reduction in microorganisms within 0.1 seconds of UV-C exposure, making it ideal for hospitals, schools, offices, retail spaces, and residential buildings. The modular design allows for retrofitting existing HVAC systems or integration into new construction projects.
HVAC system with ceiling-mounted collection pipe having variable-diameter nozzles for capturing contaminated air
Air handler with UV-C light source that achieves 4-log reduction in microorganisms within 0.1 seconds
Thermal displacement ventilation using floor-level diffusers to create separate air zones
Collection pipe positioned 5-15 feet above floor with nozzles of varying diameters for optimal air capture
Integration of fresh air mixing capability with pressure control valve for CO2 management
UV-C light source operating at 254-265 nm wavelength for maximum microbial destruction
System capable of disinfecting air against multiple pathogens including coronavirus
influenza
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and bacteria
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