Pump type aroma diffuser
US9211357B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 1, 2015 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Sep 1, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F2101/54
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a pump type aroma diffuser including an essential oil bottle for containing essential oil and a gasification assembly connected with an open end of the essential oil bottle. The gasification assembly includes a gasification cavity, as well as an air nozzle and an essential oil nozzle which are installed on the cavity wall of the gasification cavity. The air nozzle and the essential oil nozzle are interconnected with the gasification cavity. The pump type aroma diffuser also includes a guide assembly which covers the gasification cavity and is configured to guide aroma. The guide assembly has a concentrated fog outlet for exhausting aroma, a first intake backflow channel and a second intake backflow channel which extend from the concentrated fog outlet to two different directions. The tail ends of the first intake backflow channel and the second intake backflow channel extend into the gasification cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.