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Cyclonic separating apparatus for a cleaning appliance

  • US 7,867,307 B2
  • Filed: 10/01/2008
  • Issued: 01/11/2011
  • Est. Priority Date: 10/18/2007
  • Status: Active Grant
First Claim
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1. A cyclonic separating apparatus for a cleaning appliance, comprising:

  • a plurality of cyclonic separators arranged in series for separating particles from a dirt- and dust-laden airflow,a plurality of collectors for collecting the separated dirt and dust,a closure member movable between a closed position in which the closure member closes an end of each collector and an open position in which separated dirt and dust can be emptied from the collectors, the ends of the collectors being separated by at least one dividing wall, andan expandable seal to seal between the closure member and the at least one dividing wall when the closure member is in the closed position, wherein the seal is expandable in response to a pressure difference across a surface of the seal.

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