Patent · US Active

Crossflow pressure liquid filtration with ultrasonic enhancement

US7722767B2 · kind B2 · utility

4Cited by
45References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 2008
Grant dateMay 25, 2010
Priority date
Expiry dateNov 3, 2028

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2201/127
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Methods and apparatus for increasing the duration of uninterrupted filtering flow by using crossflow filtration and ultrasonic energy with in difficult to filter process liquids (e.g. of the kind having (1) a carrier liquid, (2) coalescing solids particles which tend to adhere and bridge filter element gaps sized substantially larger than such particles, and (3) larger impurity elements to be filtered out of such process liquid and sized larger than such filter element gaps).

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