Suction head structure and vacuum cleaner using the same
US8087125B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 20, 2007 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Nov 1, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B5/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A suction head structure (10) and a vacuum cleaner (20) using the same for adsorbing grains is provided. The suction head structure includes an accommodating room (14), a plurality of suction tubes (11), an eject tube (12), and an air inlet (13). The accommodating room is configured for accommodating grains therein. The suction tubes connect with the accommodating room. Each of the plurality of suction tubes is configured for adsorbing grain into the accommodating room. The eject tube connects with the accommodating room. The eject tube is configured for ejecting grains accommodated in the accommodating room. The air inlet connects with the eject tube. The air inlet is configured for injecting cool air into the eject tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.