The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2007
Filed:
Apr. 11, 2002
Ye-mon Chen, Sugar Land, TX (US);
Thomas Shawn Dewitz, Bellaire, TX (US);
Hendricus Arien Dirkse, Amsterdam, NL;
Hubertus Wilhelmus Albertus Dries, Amsterdam, NL;
Richard Addison Sanborn, Houston, TX (US);
Ye-Mon Chen, Sugar Land, TX (US);
Thomas Shawn Dewitz, Bellaire, TX (US);
Hendricus Arien Dirkse, Amsterdam, NL;
Hubertus Wilhelmus Albertus Dries, Amsterdam, NL;
Richard Addison Sanborn, Houston, TX (US);
Shell Oil Company, Houston, TX (US);
Abstract
A cyclone separator provided with an inlet for receiving gas and solid particles, + a gas outlet at its upper end and a lower tubular part, wherein the lower tubular part is provided with a closed lower end, through which closed lower end a substantially vertical particle withdrawal conduit extends from a position below the closed lower end to a position in the tubular part and below the inlet for receiving gas and solid particles, said conduit being provided with openings to withdraw solid particles from the cyclone separator and wherein said conduit has a smaller cross-sectional area than the lower tubular part, thereby defining a space between conduit and inner wall of the lower tubular part, wherein in the lower part of said space main means to add a primaxy fluidizing medium are present.