Dust collecting apparatus for vacuum cleaner
US7381233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2006 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Dec 28, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/1641
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A dust collecting apparatus for a vacuum cleaner, comprising a dust canister body, a part of which becomes an exposed side exposed outside a cleaner body upon mounting in the cleaner body, and which comprises a first dust separating chamber for separating heavy dirt from air, and second and third dust separating chambers for collecting fine dust from the air passing through the first dust separating chamber; first and second cyclone bodies having first and second cyclone chambers which separates the fine dust from the air passing through the first dust separating chamber; and first and second outlet pipes, wherein the first and second cyclone bodies are eccentrically disposed in the first and second dust separating chambers so as to form a protruded portion which is exposed from the exposed side of the dust canister body, and at least the protruded portion is made of a transparent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.