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. 21, 2016
Filed:
Jan. 16, 2013
Applicant:
Rolls-royce Deutschland Ltd & CO KG, Blankenfelde-Mahlow, DE;
Inventors:
Predrag Todorovic, Berlin, DE;
Thomas Kubisch, Koenigs Wusterhausen, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 11/00 (2006.01); F02C 7/24 (2006.01); F02K 1/82 (2006.01); F02C 7/045 (2006.01); F02K 3/06 (2006.01); B64D 33/02 (2006.01);
U.S. Cl.
CPC ...
F02C 7/24 (2013.01); B64D 33/02 (2013.01); F02C 7/045 (2013.01); F02K 1/827 (2013.01); F02K 3/06 (2013.01); B64D 2033/0206 (2013.01); Y02T 50/672 (2013.01);
Abstract
The present invention relates to an engine casing of an aircraft gas turbine having a radially inner honeycomb-structured layer arranged on the engine casing in the flow direction upstream of a fan in the area of an inflow-side air inlet, characterized in that sound-absorbing elements are arranged radially outside at least one axial section of the honeycomb-structured layer, said elements extending in the axial direction and being arranged annularly next to one another in the circumferential direction.