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:
Jan. 14, 2020
Filed:
Mar. 29, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Patrick James Blanchard, Ann Arbor, MI (US);
Haibo Zhao, Northville, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60H 1/24 (2006.01); B60H 1/00 (2006.01);
U.S. Cl.
CPC ...
B60H 1/248 (2013.01); B60H 1/00564 (2013.01); B60H 2001/006 (2013.01);
Abstract
An air extraction system for a motor vehicle includes a trim panel inlet, an air extractor and an acoustic air duct extending from the trim panel inlet to the air extractor. The acoustic air duct includes an outer wall defining an elongated internal airflow passageway and a plurality of channels. Those channels extend along the airflow passageway within the outer wall. At least one of the channels has an expansion chamber.