Patent · US Expired

Fluidized bed apparatus

USRE32307E · kind E · reissue

14Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1983
Grant dateDec 16, 1986
Priority date
Expiry dateMay 9, 2003

Classification

  • Technology area (CPC —)General

Abstract

Fluidized bed apparatus, comprising a fluidized bed vessel in which a substantially horizontal rotor disc is arranged above a perforated bottom or above an air chamber for rotary movement about an at least approximately vertical axis and for adjustment along said axis. The fluidized bed vessel is tapered upwardly, one portion inwardly and one outwardly to enhance the flow therein and the rotor disc forms a flat cone and the disc may have a central cone with the rotor disc covering at least the central part of the perforated bottom. The questions raised in reexamination request No. 90/000,329, filed 02/15/83, have been considered and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CFR 1.570(e).

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