Patent ID: 6290740
Filing Date: 2001-09-18
Classification: B01D,Y10S

Abstract:
A workbench for providing clean air in a workplace, said workbench comprising:a workbench top supported by a left side panel, a right side panel and a back panel;a vacuum chamber defined by said left and right side panels, said back panel, and a front panel;said workbench top having a plurality of openings of equal to or less than 0.5 square inch each;said openings forming a density of at least 100 openings per square foot on the workbench top; andsaid vacuum chamber suited to receive a blower and filter combination connected to said vacuum chamber to remove air from the vacuum chamber via the openings, thereby producing a low noise level of less than 75 dB at about 100-300 CFM per square foot.