Abstract: A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and cap assemblies, a vacuum source connected to one of the tank and cap assemblies for drawing process air through the inlet assembly, a filter assembly disposed between the inlet assembly and the exit opening, the filter assembly comprising a filter, and a filter bag assembly covering at least part of the filter, wherein the filter bag assembly comprises a filter bag and a drain tube connected to the filter bag. Preferably, the drain tube is integrally built into the filter bag.
Type:
Grant
Filed:
February 26, 2001
Date of Patent:
April 2, 2002
Assignee:
Pullman-Holt Corporation
Inventors:
Michael Worden, Curt J. Schulze, Jon Brigner, Jack P. Christen
Abstract: A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and cap assemblies, a vacuum source connected to one of the tank and cap assemblies for drawing process air through the inlet assembly, a filter assembly disposed between the inlet assembly and the exit opening, the filter assembly comprising a filter, and a filter bag assembly covering at least part of the filter, wherein the filter bag assembly comprises a filter bag and a drain tube connected to the filter bag. Preferably, the drain tube is integrally built into the filter bag.
Type:
Grant
Filed:
August 25, 1999
Date of Patent:
April 24, 2001
Assignee:
Pullman-Holt Corporation
Inventors:
Michael Worden, Curt J. Schulze, Jon Brigner, Jack P. Christen
Inventors:
Philip Jaros, Donald W. Zurwelle, Jeffrey J. Baker, Jon Brigner, Jack P. Christen, Robert J. Eukovich, Robert R. Schneider, Curt J. Schulze, Michael W. Worden