VARIABLE AREA NOZZLE AND METHOD FOR OPERATING SAMEA variable area nozzle assembly (54) for a gas turbine engine (20) includes a nozzle (60) disposed about a nozzle centerline (146) and a fixed ring (82) radially surrounding the nozzle (60). The nozzl…DRIVE·Jul 23·2 min readFollowF02K1/1207ROHR INC [US]
Pivoting ring petal actuation for variable area fan nozzleA variable area fan nozzle comprising an array of rigid petals and a petal actuation system comprising left and right assemblies, each assembly comprising: a multiplicity of tracks attached to or inte…DRIVE·Dec 31·1 min readFollowF02K1/1207BOEING CO [US]
Shape memory alloy actuation system for variable area fan nozzleA variable area fan nozzle comprising an array of hinged rigid petals and a petal actuation system in which the principle of actuation is realized by changes in shape (i.e., deformation) of the actuat…DRIVE·Nov 19·1 min readFollowF02K1/1207BOEING CO [US]
Methods and apparatus for sealing variable area fan nozzles of jet enginesMethods and apparatus for sealing variable area fan nozzles (214) of jet engines (200) are disclosed. An apparatus in accordance with the teachings of this disclosure includes a frame and a seal (218)…DRIVE·May 7·1 min readFollowF02K1/1207BOEING CO [US]
Fan case with thrust reverser cascade section, corresponding fan section and gas turbine engineA fan case (72) of a gas turbine engine (20) includes a fan blade containment section (78) defined about an engine axis (A), a thrust reverser cascade section (80) downstream of the blade containment …DRIVE·Mar 20·1 min readFollowF02K1/1207UNITED TECHNOLOGIES CORP [US]
Variable area nozzle for turbomachineThe nozzle has a control system for controlling movable flaps (12a, 12b, 13). The system has control levers composed of controlled levers (16a) directly actuated by jacks (18) and follower levers (16b…DRIVE·May 3·1 min readFollowF02K1/1207SNECMA [FR]
Mechanism for the variable area nozzle of a gas turbine engine and corresponding nozzleA gas turbine engine (10) includes a variable area nozzle (30) having a plurality of flaps (38). The flaps (38) are actuated by a plurality of actuating mechanisms (40) driven by shape memory alloy (S…DRIVE·Jan 5·1 min readFollowF02K1/1207UNITED TECHNOLOGIES CORP [US]
Gas turbine engine comprising a variable area nozzle driven by shape memory alloy actuatorsA gas turbine engine (10) includes a variable area nozzle (30) having a plurality of flaps (38). The flaps (38) are actuated by a plurality of actuating mechanisms (40) driven by shape memory alloy (S…DRIVE·Sep 5·1 min readFollowF02K1/1207UNITED TECHNOLOGIES CORP [US]
