Hollow core door for peventing pressure build uphaving a divided non-linear air flowthrough the door

A hollow core door having a divided air flow through the door for preventing pressure build up in a closed room with a forced air flow comprising in combination:

• a stile and rail frame;
• an inside skin secured to the stile and rail frame;
• a plurality of inside holes extending through the inside skin and having a predetermined area;
• an outside skin secured to the stile and rail frame;
• a plurality of outside holes extending through the outside skin and generally aligned with the plurality of inside holes in the inside skin and having a predetermined area substantially the same as the predetermined area of the plurality of inside holes;
• a panel disposed within the hollow core door spaced apart from and between the pluralities of inside and outside holes, the panel having an area greater than the area of the plurality of inside holes, and having openings disposed laterally of the pluralities of inside and outside holes;
• whereby
• air flows inwardly through the plurality of inside holes, divides and flows along an inner side of the panel, through the panel openings, along an outer side of the panel, and then flows outwardly through the plurality of outside holes in a non-linear manner to prevent the pressure build up in the room.