Patent ID: 7566359
Filing Date: 2009-07-28
Classification: A61L

Abstract:
1. A heating, ventilating and air conditioning (HVAC) system, comprising: an air plenum having an air filter located therein that is susceptible to degradation upon exposure to light; a light bulb located within said plenum, said light bulb having a first side proximate said air filter and having a light-absorptive barrier coupled thereto, said light-absorptive barrier configured to reduce light transmission from said light bulb to said air filter to thereby inhibit degradation of said air filter; and an air purifier that is light activated, said light bulb being located in said plenum between said air filter and said air purifier, wherein said light bulb has a second side proximate said air purifier, and wherein light emanating from said second side is incident on said air purifier with sufficient intensity to activate said air purifier.