Patent · US Expired

Device for stirring a liquid and injecting a gas into said liquid with limited clogging

US7431272B2 · kind B2 · utility

3Cited by

11References

7Claims

0Family size

Assignees

L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Étude et l'Exploitation des Procédés Georges Claude · FR
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR
INSTITUT NATIONAL POLYTECHNIQUE DE TOULOUSE · FR

Inventors

Stephane Melen · Saint-Dié-des-Vosges, FR
Catherine Xuereb · Péchabou, FR
Martine Poux · Toulouse, FR
Rodolphe Sardeing · Toulouse, FR

Key dates

Filing date	Dec 4, 2003
Grant date	Oct 7, 2008
Priority date	—
Expiry date	Jan 26, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01F27/113
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An apparatus for stirring and injecting a gas into a liquid. A drive device, located above a container containing a liquid, is connected to a vertical output shaft. The shaft has a self-suction turbine at its. The turbine is made of two stacked disks where the surface area of the lower disk is less than the surface area of the upper disk.

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