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. 10, 2014
Filed:
Sep. 12, 2012
Applicants:
Ruth Latham, Ann Arbor, MI (US);
William Alcini, Ann Arbor, MI (US);
Inventors:
Ruth Latham, Ann Arbor, MI (US);
William Alcini, Ann Arbor, MI (US);
Assignee:
Tenneco Automotive Operating Company, Inc., Lake Forest, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 50/00 (2006.01); B01D 39/20 (2006.01); B01D 39/14 (2006.01); B01D 39/06 (2006.01); B01D 39/00 (2006.01); B01D 24/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust treatment unit including a longitudinal core around an axis, a support mat, and powdered insulation impregnated between first and second layers of the support mat. In assembly, the mat is first wrapped around the core once, and powdered insulation is applied to the surface of the unwrapped portion of the mat prior to further winding whereby powdered insulation is disposed between mat layers after further winding.