Ceiling Tile With Built-In Air Flow Mechanism And Uv Air Purifying Device

What is this patent about?

’223 is related to the field of indoor air quality and lighting, specifically addressing the problem of maintaining proper air circulation, air purification, and adequate lighting in indoor spaces such as offices, hospitals, and schools. Traditional solutions often involve separate HVAC systems for air handling and LED lighting fixtures mounted in standard ceiling tiles. However, these systems may not efficiently address both air quality and lighting needs while also managing the heat generated by LED lights.

The underlying idea behind ’223 is to integrate an axial fan , LED lighting , and optionally a UV-C light source into a single unit designed to fit within the footprint of a standard ceiling tile. The fan circulates air within the space, helping to maintain air quality and temperature, while also providing a cooling effect for the LED lights, extending their lifespan. The UV-C light source, when included, irradiates the air flowing through the unit, killing airborne contaminants like viruses and bacteria.

The claims of ’223 focus on an air purifying device comprising a ceiling tile with a vent and a fan portion. An upper cover defines an airway between the fan and vent. A fan guides air to the airway, where a UV-C light source (200-280nm) is mounted. First and second baffles direct air along the UV light source and act as barriers, preventing UV light from escaping the device. Another claim focuses on a face-plate the size of a ceiling tile, a cover forming an air chamber, a fan directing air through the chamber to a vent, a UV-C light forming a kill zone, and a baffle directing air to the kill zone while blocking UV light.

In practice, the invention works by drawing air into the unit via the fan, which then forces the air through a defined airway. This airway is designed to maximize contact between the air and the LED lighting (for cooling) and, if present, the UV-C light source (for disinfection). Baffles within the airway ensure that the air is properly channeled and that the UV-C light is contained within the unit, preventing harmful exposure. The purified and/or temperature-adjusted air is then expelled back into the room through the vent.

This integrated approach differentiates itself from prior solutions by combining multiple functions into a single, easily installed unit. Unlike separate HVAC and lighting systems, ’223 provides localized air circulation and purification, potentially reducing the load on the central HVAC system and improving air quality in specific areas. The inclusion of UV-C light for air disinfection further enhances the system's ability to create a healthier indoor environment, addressing concerns about airborne contaminants and the spread of disease.