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. 14, 2016
Filed:
Nov. 02, 2014
Applicant:
Mann+hummel Gmbh, Ludwigsburg, DE;
Inventors:
Keat Mah, Portage, MI (US);
Manish Patel, Troy, MI (US);
Assignee:
MANN+HUMMEL GMBH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 35/12 (2006.01); F01N 13/00 (2010.01); F01N 1/04 (2006.01);
U.S. Cl.
CPC ...
F01N 13/007 (2013.01); F01N 1/04 (2013.01);
Abstract
A resonator for attenuating sound waves produced by an engine is provided. The resonator includes a housing. The housing includes first, second and third portions defining first, second and third working chambers, respectively. The first, second and third portions cooperate to define a substantially T-shaped resonator operable to attenuate sound produced by the engine.