Muffler assembly for a bagless vacuum cleaner

Details Muffler assembly for a bagless vacuum cleaner Muffler assembly for a bagless vacuum cleaner

A - Human Necessities

47

L

A47L 9/00 (2006.01) A47L 5/28 (2006.01) A47L 9/10 (2006.01) A47L 9/22 (2006.01)

Patent

CA 2464266

An upright vacuum cleaner having a muffler system is disclosed. The upright vacuum cleaner includes a carpet engaging nozzle base and an upper housing pivotally connected to the nozzle base. The upright vacuum cleaner further includes a dirt cup removably secured to the upper housing and having an inlet in fluid communication with the nozzle base and an exit. The upright vacuum cleaner yet further includes a motor/fan unit fluidly connected to the dirt cup exit and positioned proximate to a pivot axis between the base and the upper housing: The upright vacuum cleaner still further includes an expansion chamber defined at least partially by the upper housing and a vertical wall of the dirt cup when the dirt cup is in an operational position relative to the housing. 'The motor fan units draws air from the dirt cup exit and directs air toward the expansion chamber. A method of operating an upright vacuum cleaner is also disclosed.

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