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. 14, 2026
Filed:
Dec. 12, 2023
Applicant:
Mtu Aero Engines Ag, Munich, DE;
Inventors:
Jens Truebenbach, Munich, DE;
Jan Von Frowein, Dachau, DE;
Assignee:
MTU Aero Engines AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 15/12 (2006.01); F02C 7/32 (2006.01); F02C 7/36 (2006.01);
U.S. Cl.
CPC ...
F01D 15/12 (2013.01); F02C 7/32 (2013.01); F02C 7/36 (2013.01); F05D 2220/323 (2013.01); F05D 2240/60 (2013.01); F05D 2260/40 (2013.01);
Abstract
A turbofan engine with a low-pressure turbine module having no more than four stages and a fan coupled to the low-pressure turbine module via a gearbox, the turbofan engine having a maximum thrust of at least 70 kN and at most 300 kN, and the low-pressure turbine module () having a ratio of the exit annulus area to the inlet annulus area, A/A, of at least 2.2 and at most 3.3.