Patent ID: 7222392
Filing Date: 2007-05-29
Classification: A47L,Y10S

Abstract:
1. A bagless vacuum cleaner, comprising: a nozzle assembly including a suction nozzle for picking up dirt and debris from a surface to be cleaned; a canister assembly including a cavity; a dust collection assembly including a dust container and a filtering subassembly held in said dust container; said dust container having an open top, a bottom wall, a first cylindrical sidewall, an inlet, a downwardly directed outlet extending through said bottom wall, and a second cylindrical sidewall concentrically received within said first cylindrical sidewall and defining an exhaust pathway within the second cylindrical sidewall in fluid communication with said outlet, said dust collection assembly being received and held in said cavity; an airstream conduit for conveying a vacuum airstream between said suction nozzle and said inlet; and a suction fan and suction fan drive motor carried on one of said nozzle assembly and said canister assembly for generating said vacuum airstream for drawing dirt and debris through said suction nozzle, said airstream conduit and said dust container; wherein said filtering subassembly includes a main body and a cooperating cover defining a primary filter cavity, said primary filter cavity receiving a primary filter dividing said primary filter cavity into an intake chamber and a discharge chamber and said main body further including a downwardly extending exhaust conduit providing fluid communication between said discharge chamber and said exhaust pathway leading to said outlet.