Patent ID: 7481868
Filing Date: 2009-01-27
Classification: A47L,B04C,Y10S

Abstract:
1. A dust compressing apparatus of a dust collecting unit of a vacuum cleaner, comprising: a dust collection container; a compartment plate dividing an inner space of the dust collection container into an upper foreign substance separating compartment and a lower foreign substance storing compartment; a branching unit guiding airflow, the branching unit including a motor connection passage directed to a motor generating a negative pressure, a dust collection passage directed to the foreign substance separating compartment, and a compression passage directed to the foreign substance storing compartment; a flow passage control unit controlling connections between the passages of the branching unit; and a compression unit compressing foreign substances stored in the foreign substance storing compartment by moving the compartment plate to the foreign substance storing compartment using the negative pressure transmitted through the compression passage.