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. 07, 2015
Filed:
Aug. 12, 2013
Applicant:
Hexcel Corporation, Dublin, CA (US);
Inventor:
Fumitaka Ichihashi, Chandler, AZ (US);
Assignee:
Hexcel Corporation, Dublin, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/82 (2006.01); B32B 3/10 (2006.01); F02C 7/045 (2006.01);
U.S. Cl.
CPC ...
B32B 3/10 (2013.01); F02C 7/045 (2013.01);
Abstract
The bandwidth or acoustical range of an acoustic structure is increased by locating a sound wave guide within the acoustic cell. The wave guide divides the cell into two acoustical chambers. The two chambers provide an effective increase in resonator length of the cell.