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:
Apr. 23, 2013
Filed:
Nov. 20, 2008
Applicants:
Edgar Noel Creed, Mossel Bay, ZA;
Patrick Otto Taylor, Mossel Bay, ZA;
Inventors:
Edgar Noel Creed, Mossel Bay, ZA;
Patrick Otto Taylor, Mossel Bay, ZA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 19/00 (2006.01); F28F 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a tube sheet assembly for a waste heat boiler employed in a chemical process plant and which makes use of metal ferrules for protecting the inlets of the exchange tubes of the tube sheet. The tube sheet assembly includes at least one thermal insulator which is located inside an inlet opening of a tube sheet of the tube sheet assembly, and which covers a portion of a respective ferrule of the tube sheet assembly, thereby providing thermal insulation between the tube sheet and the ferrule.