Patent · US Expired

Adjustable orifice trommel

US5437374A · kind A · utility

24Cited by
16References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 1993
Grant dateAug 1, 1995
Priority date
Expiry dateJul 23, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07B1/469
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a plurality of openings. An outer plate is provided for each inner plate slidable axially in relation to the inner plate, each outer plate having a plurality of openings matable with the inner plate openings so that moving the outer plate with respect to the inner plate will vary the size of the orifices.

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