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US 2003/0200734 A1Published application
Method and apparatus of particle transfer in multi-stage particle separators
OwnerWayne Ernest Conradinventor
Life of this patent
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Abstract
An improved two-stage separator uses reusable containers for collecting particles separated by each separation stage. The reusable containers are constructed such that a user empties both reusable containers by the actions required to empty just one of the reusable containers.
Claims6
A vacuum cleaner comprising:
- (a) a cleaner head having a dirty air inlet;
- and,
- (b) a casing having a filtration member, the filtration member having an inlet in fluid flow communication with the dirty air inlet and an outlet in fluid flow communication with a source of suction, the filtration member comprising at least one upstream particle separator having an associated upstream particle collector and at least one downstream particle separator having an associated downstream particle collector disposed adjacent the upstream particle separation member, the particle collectors are configured such that the downstream particle collector is emptied by transferring its contents into the upstream particle collector.
Dependencies are inferred from the claim text.