Patent · US Active

Ultrafine bubble generating method, ultrafine bubble generating apparatus, and ultrafine bubble-containing liquid

US11759723B2 · kind B2 · utility

0Cited by
11References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2020
Grant dateSep 19, 2023
Priority date
Expiry dateNov 7, 2041

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24H1/102
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An ultrafine bubble generating apparatus and an ultrafine bubble generating method capable of efficiently generating an ultrafine bubble-containing liquid with high purity are provided. In order to this, a heating element provided in a liquid is caused to generate heat, and film boiling is made on an interface between the liquid and the heating element. A film boiling bubble is generated by the film boiling, and ultrafine bubbles are thus generated near the film boiling bubble.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.