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:
Oct. 13, 2020
Filed:
Feb. 22, 2018
Total Raffinage Chimie, Courbevoie, FR;
Romain Lesage, Antwerp, BE;
TOTAL RAFFINAGE CHIMIE, Courbevoie, FR;
Abstract
A gas injection element () for a system for distributing a gas inside a chamber of a fluid catalytic cracking unit. This injection member comprises a passage () extending entirely therethrough, and—an inner ceramic member () having an inner surface () that entirely delimits the through-passage (); and—a hollow metal sleeve (), inside which at least a portion of the inner member () is received, the sleeve () and the inner member () respectively having an inner surface () and an outer surface () with matching shapes allowing the inner member () to move relative to the sleeve () in a direction parallel to an axis (X) of the passage (), the outer () and inner surfaces () being provided with fastening elements () that engage to reversibly fasten the sleeve and the inner member.