Fine bubble generating apparatus, fine bubble generating method, and fine bubble-containing liquid
US11331910B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 27, 2020 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Aug 1, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/013
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a fine bubble generating apparatus capable of generating fine bubbles efficiently. The present invention includes a fluid flow passage that includes a narrow portion in at least a part thereof, a heating part capable of heating a liquid flowing through the fluid flow passage, and a controlling unit that controls the heating part. The controlling unit controls the heating part to generate film boiling in the liquid to generate ultrafine bubbles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.