Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan T. Pullins0
Date of Patent
March 31, 2009
0Patent Application Number
113478650
Date Filed
February 6, 2006
0Patent Primary Examiner
Patent abstract
A vacuum cleaner includes a housing that carries a suction inlet, a dirt collection vessel, a main filter compartment and a suction generator. The main filter is received in the main filter compartment. An airflow pathway connects the suction inlet, the dirt collection vessel, the main filter compartment and the suction generator. A dirt detection sensor is provided in the airflow pathway between the dirt collection vessel and the main filter compartment.
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