Patent application number | Description | Published |
20120148392 | COMPOSITE FAN CONTAINMENT CASE ASSEMBLY - A fan case for a gas turbine engine includes a composite fan containment case having an outer surface, a front and a rear. An attachment flange and a mounting ring are respectively provided on the front and the rear. A bolt attachment is supported on the outer surface. The composite fan containment case has a containment area that is configured to be axially aligned with a fan blade. A ballistic liner is arranged in the containment area. | 06-14-2012 |
20120207583 | CASE WITH BALLISTIC LINER - A fan case for a gas turbine engine includes an outer case defined about an engine axis and a hard ballistic liner defined about the engine axis, the hard ballistic liner within the outer case. | 08-16-2012 |
20130202424 | CONFORMAL LINER FOR GAS TURBINE ENGINE FAN SECTION - A fan section of a gas turbine engine includes a fan case structure having a first coefficient of thermal expansion. A fan blade is arranged within the fan case structure and has a second coefficient thermal expansion. A continuous ring-shaped liner surrounds the fan blade and includes a third coefficient of thermal expansion that is substantially similar to the second coefficient of thermal expansion and substantially different than the first coefficient of thermal expansion. An elastomeric adhesive operatively connects the liner to the fan case structure. The adhesive is configured to accommodate diametrical change in the liner and maintain a desired radial tip clearance throughout various fan section operating temperatures. | 08-08-2013 |
20130216367 | CASE WITH BALLISTIC LINER - A case for a gas turbine engine includes a containment section with a plurality of unidirectional roving fiber layers and a plurality of non-crimp fabric layers. A method of manufacturing the case includes winding the plurality of unidirectional roving fiber layers around the plurality of non-crimp fabric layers. | 08-22-2013 |
20140003923 | FUNCTIONALLY GRADED COMPOSITE FAN CONTAINMENT CASE | 01-02-2014 |
20150240658 | Carbon Nanotubes for Increasing Vibration Damping In Polymer Matrix Composite Containment Cases for Aircraft Engines - A gas turbine engine has a fan section having a fan with a plurality of fan blades and a containment case surrounding the fan blades. The containment case is formed from a polymer matrix material containing carbon, glass and aramid fibers, and carbon nanotubes for improving vibration damping. | 08-27-2015 |
20150275689 | COMPOSITE FAN CONTAINMENT CASE ASSEMBLY - A fan case for a gas turbine engine includes a composite fan containment case that includes an outer surface. The composite fan containment case includes multiple composite layers that define a generally cylindrical case. An attachment flange extends radially outward from the cylindrical case. The attachment flange comprises a portion of the composite layers. A metallic backing ring is secured to the attachment flange by rivets. | 10-01-2015 |
20150275692 | REDUCED FAN CONTAINMENT THREAT THROUGH LINER AND BLADE DESIGN - A blade containment system includes a plurality of circumferentially-arranged rotatable blades. Each blade has a blade compliance. An annular containment structure is arranged around the rotatable blades. The containment structure includes a liner that has a liner compliance. The blade compliance and the liner compliance are configured such that a strain induced on a respective one of the blades upon impact with the liner is less than a threshold critical strain beyond which the rotatable blades fracture. | 10-01-2015 |