About 242 results
Showing the first 200 results.
https://drivepatents.com/patents/991184 · 1 May 2013
A method of operating a propulsion system (14) includes powering an auxiliary fan (18) with a gas turbine engine (20), where the auxiliary fan (18) is along an auxiliary axis (F) and the gas turbine engine (20) is along an engine axis (F), the auxiliary ax...
https://drivepatents.com/patents/991185 · 1 May 2013
A thermal management system (100) for a gas turbine engine (20) includes a first heat exchanger (66) that provides a first conditioned fluid (83), a second heat exchanger (68) in series flow communication with the first heat exchanger (66) and that exchang...
https://drivepatents.com/patents/991151 · 1 May 2013
An inner diameter vane seal (42) for a gas turbine engine (10) comprises an annular, ring-like body having inner and outer diameter rims (56, 54), forward and aft faces (47A, 47B) and an air passage (74). The outer diameter rim (54) extends circumferential...
https://drivepatents.com/patents/984988 · 24 Apr 2013
A gas turbine engine includes an Integrated Drive Generator (IDG) (130) geared to a low spool (30) to selectively accelerate the low spool (30) during a transient condition.
https://drivepatents.com/patents/984980 · 24 Apr 2013
A gas turbine engine (10) includes a spool (20), a first accessory gearbox (54), a second accessory gearbox (68), and a scavenge pump (64). The first accessory gearbox is connected to and driven by the spool. The second accessory gearbox is connected to an...
https://drivepatents.com/patents/984974 · 24 Apr 2013
A gas turbine engine includes a central body support (62) that provides an inner annular wall for a core flow path. The central body support (62) includes first splines (78). A geared architecture (48) interconnects a spool (30) and a fan (42) rotatable ab...
https://drivepatents.com/patents/984968 · 24 Apr 2013
A gas turbine engine includes a first pump (86) driven by a spool (30), an air-oil cooler (88) downstream of the first pump (86), a second pump (90) driven by the spool (30) and an air-air precooler (92) downstream of the second pump (90). The air-air prec...
https://drivepatents.com/patents/984962 · 24 Apr 2013
A method for servicing a gas turbine engine includes providing access from a forward section of the gas turbine engine to a gearbox (90) contained within a bearing compartment (100).
https://drivepatents.com/patents/984960 · 24 Apr 2013
An integrated thermal system (80) for a gas turbine engine (20) includes an Air-Oil Cooler (88) and an Air-Air PreCooler (92) within a housing (89), the Air-Air PreCooler (92) being downstream of the Air-Oil Cooler (88).
https://drivepatents.com/patents/984949 · 24 Apr 2013
A gas turbine engine (20) includes a constant speed transmission (110) driven by a spool (30). The transmission may drive first and second pumps (86, 90) of a Thermal Management System (82) and an Environmental Control System (84).