Patent ID: 8448292
Filing Date: 2013-05-28
Classification: A47L,B04C

Abstract:
1. A cyclone separator for a vacuum cleaner, wherein the cyclone separator is arranged to be mounted in an air stream of the vacuum cleaner, the cyclone separator comprising: a cyclone chamber; an air entrance device having a flow passage arrangement therethrough for introducing an air stream into the cyclone chamber in a manner that causes the air stream to swirl in the cyclone chamber to thereby remove dust from the air stream; an air outlet for emitting the air stream from the cyclone chamber; wherein the entrance device comprises a control member that is operable to alter the flow passage arrangement such that one or more properties of the air stream in the cyclone chamber are affected by the alteration, and wherein the flow passage arrangement comprises a first path and a second path, and wherein the control member is operable to alter the flow passage arrangement by redirecting the air stream from the first path to the second path.