Portable filtration unit

• US 5,069,691 A
• Filed: 11/14/1990
• Issued: 12/03/1991
• Est. Priority Date: 11/14/1990
• Status: Expired due to Term

• Current Assignee: Abatement Technologies Incorporated
• Original Assignee: Abatement Technologies Incorporated
• Inventors: Sutherland, Daniel, Kruse, Gary, Travis, Terrell, Shagott, David, Harber, Blair Jr.
• Primary Examiner(s): Nozick, Bernard
• Application Number:
  US07/613,212
• Time in Patent Office: 384 Days
• Field of Search: 55/482, 55/484, 55/316, 55/124, 55/126, 55/356, 55/387, 55/320, 55/323, 55/324, 55/342, 55/467, 55/350
• US Class Current: 96/57
• CPC Class Codes: A47L 5/38 Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected

Abstract

A portable vacuum and air filtration unit, comprising: a plurality of separately transportable modules and a means for locking the modules together during use, an air inlet located in one of the modules, a debris screen and a means for receiving debris stopped by the screen located in one of the modules, an electrostatic filter located in one of the modules, a bag filter assembly located in one of the modules, a HEPA filter assembly located in one of the modules, and a means for drawing a substantial volume of air through the inlet, screen, electrostatic filter, bag filter assembly and HEPA filter assembly.

Claims

1. A portable vacuum and air filtration unit, comprising:

a) a plurality of separately transportable modules and a means for locking the modules together during use;

b) an air inlet located in one of the modules;

c) a debris deflector and a means for receiving debris stopped by the deflector located in one of the modules;

d) an electrostatic filter located in one of the modules;

e) a bag filter assembly located in one of the modules;

f) a HEPA filter assembly located in one of the modules; and

g) a means for drawing a substantial volume of air through the inlet, deflector, electrostatic filter, bag filter assembly and HEPA filter assembly.

2. A portable vacuum and air filtration unit, comprising a plurality of separately transportable modules and a means for locking the modules together during use into a rigidly interconnected chest containing an inlet, a debris deflector, a means for receiving debris stopped by the deflector, an electrostatic filter, a bag filter assembly, a HEPA filter assembly, and a means for drawing air through the inlet, deflector, electrostatic filter, bag filter and HEPA filter.