摘要:
An example gas turbine engine includes a housing and first and second spools coaxial with one another and arranged within the housing. The first spool is arranged within the second spool and extends between forward and aft ends. The aft end extends axially beyond the second spool. First and second bearings support the aft end of the first spool relative to the housing. An example method of assembling the gas turbine engine includes arranging a first spool within a second spool. First and second bearings are mounted between an aft end of the first spool and a fixed housing.
摘要:
A turbine engine includes a compressor section, a combustor arranged in fluid-receiving communication with the compressor section, a turbine section arranged in fluid-receiving communication with the combustor and a gearbox assembly coupled to be driven by the turbine section. The gearbox assembly is located at an axial position that is aft of the compressor section.
摘要:
An engine (10) consists, in combination, of a gas turbine and a ducted fan with a combustion chamber (16) or the gas turbine being positioned radially outwardly of the flow passage of the ducted fan. The gas turbine includes a compressor (12) and a turbine (14) with which the combustion chamber (16) is in flow communication. The compressor (12), combustion chamber (16) and the turbine (14) rotate together abut an axis of rotation (20). The compressor (12) includes a plurality of vanes (32) which function also as fan blades for the ducted fan.
摘要:
A compressor (22) for a turbine engine (10) includes an inflatable bleed valve (57) that selectively bleeds core airflow from the compressor. The bleed valve has an inlet (58) leading from the compressor and a passageway (112) leading from the inlet. An inflatable valve (116) selectively obstructs the passageway based upon a controlled supply of high pressure air to the inflatable valve. The supply of high pressure air may be compressed core airflow from an area downstream of the inlet to the bleed valve .
摘要:
A tip turbine engine assembly (8) includes a fan (32) rotatable in a fan plane (22) about an engine centerline (112). The fan (32) includes a fan blade (34) that defines a core airflow passage therethrough. An engine case (10) surrounds and supports the fan and engine. A plurality of engine mounts (20) for mounting the engine to an aircraft are positioned circumferentially about the outside of the engine case in a single mounting plane (22) that is perpendicular to the engine centerline.
摘要:
A seal assembly (118) mounted within a nonrotatable static inner support structure (16) for engagement with an axial seal face surface (114) and a radial seal face surface (116). The radial seal (120) engages the axial seal face surface and the axial seal (122) engages the radial seal face surface. The seal assembly provides minimal leakage of core airflow to increase the tip turbine engine operating efficiency.
摘要:
A tip turbine engine (30) includes a low pressure compressor (22) having a plurality of inlet guide vanes (55) that are mounted at an inlet to the compressor case (50). Each inlet guide vane (55) includes at least one fluid outlet (56) proximate a trailing edge of the inlet guide vane (55), such that fluid flow through the fluid outlet (56) modulates and controls the air flow into the compressor (22). A supply of pressurized fluid may be supplied from compressed air from the compressor (22).
摘要:
A tip turbine engine assembly includes a compressor module (12) and a fan module (14) located aft of the compressor module (12). The compressor module (12) and fan module (14) are fastened together along a mating portion with seals that generally prevent airflow from escaping through the mating portion. The compressor module (12) and fan module (14) are independently attachable to each other such that the compressor module (12) may be attached or detached to or from the fan module (14) without having to significantly disassemble the fan module (14), and vice versa.
摘要:
A hydraulic seal (170) for a tip turbine engine includes an inner radial flange (171) and an outer radial flange (172). The inner radial flange (171) rotates relative the outer radial seal section and the planet carrier face (94) to prevent lubrication from entering into the air flow streams within the engine without additional engine assembly procedures.
摘要:
A gearbox assembly (90) closely couples a fan-turbine rotor assembly (25) and an axial compressor rotor (46) to reduce the overall engine length and minimizes the number of engine bearings.