Patent · US Expired

Filter system

US4023943A · kind A · utility

8Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1976
Grant dateMay 17, 1977
Priority date
Expiry dateMar 8, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D46/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An air filter system for filtering solid particles from air, characterized by a plurality of flexible filter tubes having walls permeable to air and impermeable to solid particles, and mechanical means for shaking the filter tubes to dislodge any deposited solid particles from the tubes which means comprises a vibrating structure.

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