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:
Jun. 05, 2012
Filed:
Nov. 30, 2005
Jacobus Andreas Stadler, Secunda, ZA;
Eric Graham Van DE Venter, Johannesburg, ZA;
Paul Smit Baumann, Johannesburg, ZA;
Jacobus Andreas Stadler, Secunda, ZA;
Eric Graham Van De Venter, Johannesburg, ZA;
Paul Smit Baumann, Johannesburg, ZA;
Sasol Technology (Proprietary) Limited, Johannesburg, ZA;
Abstract
A fixed bed coal gasifier () includes a coal gasification chamber with a coal lock above the chamber. A static coal distribution device inside the gasification chamber includes a hollow coal distributor which flares downwardly outwardly with a skirt depending downwardly from an inside of the coal distributor so that a gas collection zone is defined between the skirt and the coal distributor. The gasifier () has an ash discharge outlet () and a rotatable grate () above the outlet (). The rotatable grate () includes at least one upwardly projecting finger or disturbing formation () to disturb the ash bed formed in use above and around the grate ().