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:
Aug. 22, 1989
Filed:
Jun. 30, 1988
Applicant:
Inventors:
Clifford C Segerstrom, Houston, TX (US);
Jacob H Stil, The Hague, NL;
Adrianus J Ooms, The Hague, NL;
Bernardus H Mink, Degstgeest, NL;
Ulrich Premel, Gummersbach, DE;
Leszek Gawloski, Reichshof-Wollseifen, DE;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10J / ; C10J / ;
U.S. Cl.
CPC ...
4819 / ; 48210 ; 48DI / ; 252373 ;
Abstract
An apparatus and method for reversing the flow of a synthesis gas from a coal gasification reactor containing solids that tend to cause fouling of heat transfer surfaces by adjusting the volume and shape of a gas-reversal space within a chamber downstream of the reactor.