Vacuum cleaner with a plurality of cyclonic cleaning stages
First Claim
Patent Images
1. A portable appliance comprising:
- (a) a dirt inlet;
(b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel, the second cyclonic stage is downstream from the first cyclonic stage and for at least some of the cyclones of the first cyclonic stage, air exiting a cyclone of the first cyclonic stage is fed to only one cyclone of the second cyclonic stage; and
,(c) a fluid flow motorwherein at least one of the cyclones has a dirt collection chamber that, during operation of the portable appliance, is not in communication with any other cyclone.
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Abstract
A portable appliance comprises a dirt inlet, first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage and a fluid flow motor.
204 Citations
22 Claims
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1. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel, the second cyclonic stage is downstream from the first cyclonic stage and for at least some of the cyclones of the first cyclonic stage, air exiting a cyclone of the first cyclonic stage is fed to only one cyclone of the second cyclonic stage; and
,(c) a fluid flow motor wherein at least one of the cyclones has a dirt collection chamber that, during operation of the portable appliance, is not in communication with any other cyclone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel, the second cyclonic stage is downstream from the first cyclonic stage and each of the cyclones of the first cyclonic stage is in fluid communication with only one cyclone of the second cyclonic stage; and
,(c) a fluid flow motor wherein each cyclone of at least one of the cyclonic stages has an associated dirt collection chamber and each dirt collection chamber is associated with only one cyclone. - View Dependent Claims (12, 13)
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14. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage; and
,(c) a fluid flow motor wherein each cyclone in the second cyclonic stage is connected in fluid flow communication with only one cyclone in the first cyclonic stage.
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15. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage; and
,(c) a fluid flow motor wherein each cyclone of the first cyclonic stage has a fluid outlet and each cyclone of the second cyclonic stage has a fluid inlet and the outlet of a cyclone of the first cyclonic stage and the inlet of a cyclone of the second cyclonic stage form a continuous passage whereby air exiting one cyclone of the first cyclonic stage is fed to only one cyclone of the second cyclonic stage. - View Dependent Claims (16, 17)
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18. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel, each cyclone having a cyclone air outlet the second cyclonic stage is downstream from the first cyclonic stage and the cyclone air outlet of at least some of the cyclones of the first cyclonic stage is in fluid communication with only one cyclone of the second cyclonic stage; and
,(c) a fluid flow motor.
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19. A portable appliance comprising:
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(a) a dirt inlet; (b) first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage; (c) a post motor cyclonic stage; and
,(d) a fluid flow motor. - View Dependent Claims (20, 21, 22)
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Specification