Patent · US Expired

Ultrasonic filter regenerating apparatus and method

US6251294A · kind A · utility

34Cited by
13References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1997
Grant dateJun 26, 2001
Priority date
Expiry dateDec 22, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D29/72
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A self-regenerating filter unit having a housing which carries an ultrasonic transducer periodically energizable to dislodge caked solids from a filter element in the housing. The removed solids collect in a storage zone where they are periodically removed.

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