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:
May. 10, 2011
Filed:
Sep. 13, 2007
Applicant:
Pierre Michel Baude, Nay, FR;
Inventor:
Pierre Michel Baude, Nay, FR;
Assignee:
Turbomeca, Bordes, FR;
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a helicopter gas turbine engine, lips () defining a radial air intake () are connected along an opening () of an engine compressor air supply passage (). The air intake lips are at least partially formed by a sound attenuator () calculated to attenuate sound frequencies produced by the compressor rotation.
Baude, Pierre. (2011). Device for silencing a helicopter gas turbine engine and engine thus obtained (U.S. Patent No. 7938618). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7938618
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile