Vacuum cleaner with spiral air guide
First Claim
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1. A vacuum cleaner, comprising:
- a housing including a suction inlet;
a dirt collection vessel carried on said housing, said dirt collection vessel including a dirt collection chamber;
a spiral air guide providing a spiral air path; and
a suction generator carried on said housing, said suction generator being in fluid communication with said suction inlet, said dirt collection vessel and said spiral air guide.
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Abstract
A vacuum cleaner includes a housing having a suction inlet, a dirt collection vessel carried on the housing and a suction generator carried on the housing. The dirt collection vessel includes a dirt collection chamber and a spiral air guide providing a spiral air path to improve cleaning efficiency. The suction generator is provided in fluid communication with the suction inlet, the dirt collection vessel and the spiral air guide.
165 Citations
23 Claims
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1. A vacuum cleaner, comprising:
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a housing including a suction inlet; a dirt collection vessel carried on said housing, said dirt collection vessel including a dirt collection chamber; a spiral air guide providing a spiral air path; and a suction generator carried on said housing, said suction generator being in fluid communication with said suction inlet, said dirt collection vessel and said spiral air guide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of increasing the cleaning efficiency of a vacuum cleaner, comprising:
providing a dirt collection vessel with a spiral tubular conduit for returning relatively fine dirt particles to a dirt collection chamber and directing clean air toward an exhaust port.
Specification