Patent ID: 7823586

Claim:
A personal respiratory protection system, comprising: a headgear construction modified to be mounted on the head of a wearer; an air disinfection chamber adapted to be mounted within said headgear construction and located in the space between the wearer's head and an outside surface of the headgear construction, said air disinfection chamber having an air inlet at one end and an air outlet at an opposite end; a fan means mounted at said air disinfection chamber, said fan means having a fan motor and blades to generate an air flow through said chamber; an ultraviolet air disinfection means mounted at said chamber to produce germicidal means for killing microorganisms in the air flow, the ultraviolet air disinfection means including a germicidal source to disinfect the air flow; a filter means in said headgear construction to provide filtering of the air flow through the filter means, the filter means including a general filter for filtering all of the air flow and a local filter to keep said germicidal source clean; an air blanket origination means located within said headgear construction and connected to said air disinfection chamber, to direct said airflow along the face of the wearer to form an air blanket of disinfected air to protect the eyes and respiratory system of the wearer; an energizing means, to provide the energy for said air disinfection means and for said fan means; and a replaceable liner, said replaceable liner being removable and attachable to said headgear construction.