Patent · US Active

Fine bubble generating apparatus, fine bubble generating method, and fine bubble-containing liquid

US11331910B2 · kind B2 · utility

2Cited by
4References
18Claims
0Family size

Inventors

Key dates

Filing dateFeb 27, 2020
Grant dateMay 17, 2022
Priority date
Expiry dateAug 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.