Vacuum cleaner with spiral air guide
First Claim
Patent Images
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;
said spiral air guide being characterized by including a spiral, tubular conduit having an inlet at a first end, an outlet at a second end and at least one clean air discharge orifice along an inside portion of said spiral air path between said inlet and said outlet.
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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.
37 Citations
20 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; said spiral air guide being characterized by including a spiral, tubular conduit having an inlet at a first end, an outlet at a second end and at least one clean air discharge orifice along an inside portion of said spiral air path between said inlet and said outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification