Particulate contamination control method and filtration device
OwnerAnthony Nataleinventor
Life of this patent
Estimating the term…
Abstract
A negative pressure method and apparatus for protection from airborne asbestos and other particulate contamination is disclosed, including an enclosure with doorways and decontamination chambers with an air intake through the decontamination chambers with at least one filtration unit flow connected with the enclosure, with a blower to pull air into the filtration unit and dispelling the filtered air to the atmosphere. A high volume air flow intake is maintained with a significant negative air pressure in the enclosure. A filtration device is provided with multiple entrance ports providing for a large flow of air through the body of the room together with individual entrance ports to receive the discharge from separate vacuum cleaners.
Claims17
A method of establishing a negative pressure environment within an existing building for removing dangerous solid materials from the building, said method comprising:
- (1) defining an enclosed space within said building using existing wall structure to define at least a portion of said enclosed space;
- (2) establishing at least one flow path for air to enter said enclosed space;
- (3) continuously evacuating air from said enclosed space through a filter means to remove dangerous solid materials from said evacuated air and to establish a negative air pressure in said enclosed space so that air exiting said space passes through said filter means;
- and
- (4) sealing said flow path against air exiting from said air space to the exterior of said enclosed space in the event of loss of negative air pressure in said enclosed space.
A system for establishing a favorable environment for removing dangerous solid materials, said system comprising:
- wall means enclosing a defined air space within a building, said wall means including at least one inlet for air to enter said air space and an outlet for air to exit from said air space;
- filter means for filtering air in said air space;
- air moving means for producing a negative air pressure within said air space and for drawing air into said space through said inlet and for moving air through said filter means in advance of moving air through said outlet;
- and
- sealing means for sealing said inlet against air exiting from said air space to the exterior of said air space in the event of loss of negative air pressure in said air space.
Dependencies are inferred from the claim text.