Vacuum cleaner and suction nozzle body thereof cross reference to related application
US6282749A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Apr 3, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner having a vacuum cleaner main body, an electric blower motor provided in the vacuum cleaner main body, a dust collection part provided in the vacuum cleaner main body, a suction nozzle body for communicating with the dust collection part, an impeller having a rotary axis provided in an interior portion of the suction nozzle body and driven by a suction force which is generated by said electric blower motor. At least one of a rotation brush member and a rotation blade member is included in the suction nozzle body and an opening portion of the suction nozzle body is opposed to a surface to be subjected to cleaning, a suction inlet port for the suction nozzle body is provided for sucking air from an outside portion and is located separately from the opening portion of the suction nozzle body. The suction inlet port is provided so as to direct air which is sucked from the outside portion in a direction transverse to the rotary axis of the impeller and an air flow passage is formed in the suction nozzle body so that a part of the air which is sucked from the suction inlet port initially impinges on the impeller to rotate the impeller and then is passed to a region of the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.